How to use GTK themes for local apps?

[X-Dimension]

I have installed Mozilla Firefox as a local app like described here:

https://help.ubuntu.com/community/UbuntuLTSP/AdobeFlashFirefoxPluginLTSP

But when i start Firefox with ltsp-localapps firefox it don't uses the 
GTK theme

i have set on my system. How can i use GTK themes for local apps?

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How to set global/system Firefox prefs for new users?

[John Hupp]

For Firefox in newly added user profiles, I have a few modest 
preconfiguration goals: 1) Customize the toolbar to add Print, History, 
and Tab Groups.  2) Set new tabs to display a blank page.


I would think that #1 might be accomplished either by setting
pref(browser.uiCustomization.state, {long string copied from my 
user profile pref});


or else by copying my initial user's xulstore.json to 
/usr/lib/firefox/browser/defaults/profile or 
/usr/lib/firefox/defaults/profile.  (Or by doing setting the pref AND 
copying xulstore.json.)


But to zero in on setting the prefs: I failed first with what I took to 
be the standard Firefox methods.


Then I found 
https://help.ubuntu.com/community/UbuntuLTSP/FirefoxOptimize, and though 
it was written for *buntu 12.04, I'm assuming that it's probably still 
valid for 14.04.  (I'm running Lubuntu 14.04.1 32-bit.)  And it 
indicates that global/system prefs should be placed in 
/etc/xul-ext/ubufox.js.  But my prefs seem to be either ignored or 
subsequently overridden/overwritten.


(And yes, xul-ext-ubufox is indeed installed.)

How do you successfully do these things in 14.04?


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Re: How to set global/system Firefox prefs for new users?

[Matt Johnson]

 From: John Hupp edubu...@prpcompany.com
To: edubuntu-users@lists.ubuntu.com 
Sent: Monday, 12 January 2015, 15:19
Subject: How to set global/system Firefox prefs for new users?
 

For Firefox in newly added user profiles, I have a few modest 
preconfiguration goals: 1) Customize the toolbar to add Print, History, 
and Tab Groups.  2) Set new tabs to display a blank page.

I would think that #1 might be accomplished either by setting
pref(browser.uiCustomization.state, {long string copied from my 
user profile pref});

or else by copying my initial user's xulstore.json to 
/usr/lib/firefox/browser/defaults/profile or 
/usr/lib/firefox/defaults/profile.  (Or by doing setting the pref AND 
copying xulstore.json.)

But to zero in on setting the prefs: I failed first with what I took to 
be the standard Firefox methods.

Then I found 
https://help.ubuntu.com/community/UbuntuLTSP/FirefoxOptimize, and though 
it was written for *buntu 12.04, I'm assuming that it's probably still 
valid for 14.04.  (I'm running Lubuntu 14.04.1 32-bit.)  And it 
indicates that global/system prefs should be placed in 
/etc/xul-ext/ubufox.js.  But my prefs seem to be either ignored or 
subsequently overridden/overwritten.

(And yes, xul-ext-ubufox is indeed installed.)

How do you successfully do these things in 14.04?




John,

I hope this isn't just noise but it of use. Below are my notes but they do 
apply 12.04 I'm afraid. Also, it's not for ltsp-pnp, it's for old-style ltsp 
with a chroot (which is why there are additional notes about copyiong the files 
to the chroot at the end).

--
Matt


Firefox config (including setting homepage and proxy)

Configure proxy
sudo nano /etc/firefox/syspref.js
lockPref(network.proxy.http,address.of.proxy);
lockPref(network.proxy.http_port,80);
lockPref(network.proxy.ssl,address.of.proxy);
lockPref(network.proxy.ssl_port,80);
lockPref(network.proxy.type,1);
lockPref(network.proxy.share_proxy_settings, true)

Configure homepage
sudo nano /etc/xul-ext/ubufox.js
Uncomment homepage line...
pref(browser.startup.homepage, 
file:/usr/share/doc/xul-ext-ubufox/example-homepage.properties);

sudo nano /usr/share/doc/xul-ext-ubufox/example-homepage.properties
Change to:
browser.startup.homepage=http://www.ourhomepage.com

Copy all three files to chroot and rebuild image
sudo cp /etc/firefox/syspref.js /opt/ltsp/i386/etc/firefox/syspref.js
sudo cp /etc/xul-ext/ubufox.js /opt/ltsp/i386/etc/xul-ext/ubufox.js
sudo cp /usr/share/doc/xul-ext-ubufox/example-homepage.properties 
/opt/ltsp/i386/usr/share/doc/xul-ext-ubufox/example-homepage.properties

Reimage and restart services
sudo ltsp-update-image; sudo ltsp-update-sshkeys; sudo service nbd-server 
restart; sudo service tftpd-hpa restart; sudo service isc-dhcp-server restart

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Re: How to set global/system Firefox prefs for new users?

[John Hupp]

On 1/12/2015 1:38 PM, John Hupp wrote:

On 1/12/2015 10:45 AM, Matt Johnson wrote:




From: John Hupp edubu...@prpcompany.com
To: edubuntu-users@lists.ubuntu.com
Sent: Monday, 12 January 2015, 15:19
Subject: How to set global/system Firefox prefs for new users?


For Firefox in newly added user profiles, I have a few modest
preconfiguration goals: 1) Customize the toolbar to add Print, History,
and Tab Groups.  2) Set new tabs to display a blank page.

I would think that #1 might be accomplished either by setting
 pref(browser.uiCustomization.state, {long string copied from my
user profile pref});

or else by copying my initial user's xulstore.json to
/usr/lib/firefox/browser/defaults/profile or
/usr/lib/firefox/defaults/profile.  (Or by doing setting the pref AND
copying xulstore.json.)

But to zero in on setting the prefs: I failed first with what I took to
be the standard Firefox methods.

Then I found
https://help.ubuntu.com/community/UbuntuLTSP/FirefoxOptimize, and 
though

it was written for *buntu 12.04, I'm assuming that it's probably still
valid for 14.04.  (I'm running Lubuntu 14.04.1 32-bit.)  And it
indicates that global/system prefs should be placed in
/etc/xul-ext/ubufox.js.  But my prefs seem to be either ignored or
subsequently overridden/overwritten.

(And yes, xul-ext-ubufox is indeed installed.)

How do you successfully do these things in 14.04?



John,

I hope this isn't just noise but it of use. Below are my notes but 
they do apply 12.04 I'm afraid. Also, it's not for ltsp-pnp, it's for 
old-style ltsp with a chroot (which is why there are additional notes 
about copyiong the files to the chroot at the end).


--
Matt


Firefox config (including setting homepage and proxy)

Configure proxy
sudo nano /etc/firefox/syspref.js
lockPref(network.proxy.http,address.of.proxy);
lockPref(network.proxy.http_port,80);
lockPref(network.proxy.ssl,address.of.proxy);
lockPref(network.proxy.ssl_port,80);
lockPref(network.proxy.type,1);
lockPref(network.proxy.share_proxy_settings, true)

Configure homepage
sudo nano /etc/xul-ext/ubufox.js
Uncomment homepage line...
pref(browser.startup.homepage, 
file:/usr/share/doc/xul-ext-ubufox/example-homepage.properties);


sudo nano /usr/share/doc/xul-ext-ubufox/example-homepage.properties
Change to:
browser.startup.homepage=http://www.ourhomepage.com

Copy all three files to chroot and rebuild image
sudo cp /etc/firefox/syspref.js /opt/ltsp/i386/etc/firefox/syspref.js
sudo cp /etc/xul-ext/ubufox.js /opt/ltsp/i386/etc/xul-ext/ubufox.js
sudo cp /usr/share/doc/xul-ext-ubufox/example-homepage.properties 
/opt/ltsp/i386/usr/share/doc/xul-ext-ubufox/example-homepage.properties


Reimage and restart services
sudo ltsp-update-image; sudo ltsp-update-sshkeys; sudo service 
nbd-server restart; sudo service tftpd-hpa restart; sudo service 
isc-dhcp-server restart


It's interesting that your recipe uses a standard Firefox 
configuration location for the network proxy stuff and only uses the 
ubufox provision for homepage.  This bolsters a thought that it is 
only selected prefs that ubufox aims to govern (whatever exactly those 
are) which must be configured via ubufox.js.


Looking at the installed files for the xul-ext-ubufox package, I find 
3 .js files at /usr/share/xul-ext/ubufox/defaults/preferences:

ubufox.js
ubuntu-mods.js
000system.js (but that is just a symlink to /etc/xul-ext/ubufox.js)

And I don't see any prefs in any of those files that would seem to 
bear adversely on what I want to do.


Following your recipe I tried putting my prefs in 
/etc/firefox/syspref.js, but they too were either ignored or overridden.



There is a lot of conflicting and obsolete info out there, including the 
locations of the Default Preferences Files given in 
http://developer.mozilla.org/en-US/docs/Mozilla/Preferences/A_brief_guide_to_Mozilla_preferences


But that article is correct in what it says about Changing Defaults, 
option #1.  And following that I created 
/usr/lib/firefox/browser/defaults/preferences/all-nameofyourchoice.js 
with content (make sure to terminate with an end-of-line e.g. hit Return):


pref(browser.newtabpage.enabled, false);

This has the same effect as clicking the gear tool on a new tab and 
choosing Blank rather than Enhanced or Classic.


So now I know how to propogate extensions and default preferences to new 
users.  The only thing I have not been able to accomplish is adding 
Print, History and Tab Groups to the default Firefox toolbar.


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Re: How to set global/system Firefox prefs for new users?

[John Hupp]

On 1/12/2015 10:45 AM, Matt Johnson wrote:




From: John Hupp edubu...@prpcompany.com
To: edubuntu-users@lists.ubuntu.com
Sent: Monday, 12 January 2015, 15:19
Subject: How to set global/system Firefox prefs for new users?


For Firefox in newly added user profiles, I have a few modest
preconfiguration goals: 1) Customize the toolbar to add Print, History,
and Tab Groups.  2) Set new tabs to display a blank page.

I would think that #1 might be accomplished either by setting
 pref(browser.uiCustomization.state, {long string copied from my
user profile pref});

or else by copying my initial user's xulstore.json to
/usr/lib/firefox/browser/defaults/profile or
/usr/lib/firefox/defaults/profile.  (Or by doing setting the pref AND
copying xulstore.json.)

But to zero in on setting the prefs: I failed first with what I took to
be the standard Firefox methods.

Then I found
https://help.ubuntu.com/community/UbuntuLTSP/FirefoxOptimize, and though
it was written for *buntu 12.04, I'm assuming that it's probably still
valid for 14.04.  (I'm running Lubuntu 14.04.1 32-bit.)  And it
indicates that global/system prefs should be placed in
/etc/xul-ext/ubufox.js.  But my prefs seem to be either ignored or
subsequently overridden/overwritten.

(And yes, xul-ext-ubufox is indeed installed.)

How do you successfully do these things in 14.04?



John,

I hope this isn't just noise but it of use. Below are my notes but 
they do apply 12.04 I'm afraid. Also, it's not for ltsp-pnp, it's for 
old-style ltsp with a chroot (which is why there are additional notes 
about copyiong the files to the chroot at the end).


--
Matt


Firefox config (including setting homepage and proxy)

Configure proxy
sudo nano /etc/firefox/syspref.js
lockPref(network.proxy.http,address.of.proxy);
lockPref(network.proxy.http_port,80);
lockPref(network.proxy.ssl,address.of.proxy);
lockPref(network.proxy.ssl_port,80);
lockPref(network.proxy.type,1);
lockPref(network.proxy.share_proxy_settings, true)

Configure homepage
sudo nano /etc/xul-ext/ubufox.js
Uncomment homepage line...
pref(browser.startup.homepage, 
file:/usr/share/doc/xul-ext-ubufox/example-homepage.properties);


sudo nano /usr/share/doc/xul-ext-ubufox/example-homepage.properties
Change to:
browser.startup.homepage=http://www.ourhomepage.com

Copy all three files to chroot and rebuild image
sudo cp /etc/firefox/syspref.js /opt/ltsp/i386/etc/firefox/syspref.js
sudo cp /etc/xul-ext/ubufox.js /opt/ltsp/i386/etc/xul-ext/ubufox.js
sudo cp /usr/share/doc/xul-ext-ubufox/example-homepage.properties 
/opt/ltsp/i386/usr/share/doc/xul-ext-ubufox/example-homepage.properties


Reimage and restart services
sudo ltsp-update-image; sudo ltsp-update-sshkeys; sudo service 
nbd-server restart; sudo service tftpd-hpa restart; sudo service 
isc-dhcp-server restart


It's interesting that your recipe uses a standard Firefox configuration 
location for the network proxy stuff and only uses the ubufox provision 
for homepage.  This bolsters a thought that it is only selected prefs 
that ubufox aims to govern (whatever exactly those are) which must be 
configured via ubufox.js.


Looking at the installed files for the xul-ext-ubufox package, I find 3 
.js files at /usr/share/xul-ext/ubufox/defaults/preferences:

ubufox.js
ubuntu-mods.js
000system.js (but that is just a symlink to /etc/xul-ext/ubufox.js)

And I don't see any prefs in any of those files that would seem to bear 
adversely on what I want to do.


Following your recipe I tried putting my prefs in 
/etc/firefox/syspref.js, but they too were either ignored or overridden.
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Aw: How can i hide floppy drive and virtual disks on the clients (solved)

[Julian Timm]

I can hide the floppy by blacklisting its driver like described here:

http://linuxg.net/blacklist-disable-floppy-driver-in-ubuntu/

It looks like Virtual Disks can't be hidden, so i mark this post
as solved.

 Gesendet: Freitag, 31. Oktober 2014 um 20:07 Uhr
 Von: X-Dimension x-dimens...@gmx.net
 An: edubuntu-users@lists.ubuntu.com
 Betreff: How can i hide floppy drive and virtual disks on the clients

 Hi!
 Our Edubuntu LTSP server runs on VMWare ESXi and although either the
 server itself or the virtual machine or the clients have a floppy drive,
 a floppy is always shown in Gnome.
 In both /etc/fstab and /opt/ltsp/i386/etc/fstab are no floppy drives 
 listed.
 How can i hide this non existing floppy drive on the clients?
 
 Also Gnome shows the virtual disks from the ESXi server on the clients.
 How can i disable this?
 
 Thx
 
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How can i hide floppy drive and virtual disks on the clients

[X-Dimension]

Hi!
Our Edubuntu LTSP server runs on VMWare ESXi and although either the
server itself or the virtual machine or the clients have a floppy drive,
a floppy is always shown in Gnome.
In both /etc/fstab and /opt/ltsp/i386/etc/fstab are no floppy drives 
listed.

How can i hide this non existing floppy drive on the clients?

Also Gnome shows the virtual disks from the ESXi server on the clients.
How can i disable this?

Thx

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How to utilize these machines?

[Joseph Bishay]

Good morning,

I hope you are all doing well today.

We have received some new computers and I wanted your recommendation
on how best to deploy them in our existing Edubuntu LTSP setup.

They are desktop Compaq DC7900 Core 2 Duo 3 Ghz machines with 4 GB ram
and 160 GB drives each.

These machines are more powerful than most we've had before, so I
wasn't sure if using them as straight PXE-boot thin clients was the
right approach.  I've seen mention other typesof utilization such as
thick client, chubby client, etc. but I was unclear on all this.

Any insight is appreciated.

Thank you!
Joseph

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Re: How to utilize these machines?

[theo . schmidt]

Am 20.05.2013 13:29, schrieb Joseph Bishay:
...

We have received some new computers and I wanted your recommendation
on how best to deploy them in our existing Edubuntu LTSP setup.

They are desktop Compaq DC7900 Core 2 Duo 3 Ghz machines with 4 GB ram
and 160 GB drives each.


They would make fine LTSP servers. Certainly a waste for pure thin 
clients, maybe somebody else has ideas regarding fat clients. Other than 
that, install Edubuntu stand-alone systems on them, and anything else 
useful.


Cheers, Theo Schmidt

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Re: How to utilize these machines?

[Joseph Bishay]

Hello Theo,

On Mon, May 20, 2013 at 8:29 AM,  theo.schm...@wilhelmtux.ch wrote:
 Am 20.05.2013 13:29, schrieb Joseph Bishay:
 They are desktop Compaq DC7900 Core 2 Duo 3 Ghz machines with 4 GB ram
 and 160 GB drives each.
 They would make fine LTSP servers. Certainly a waste for pure thin clients,
 maybe somebody else has ideas regarding fat clients. Other than that,
 install Edubuntu stand-alone systems on them, and anything else useful.

I already have a fairly robust Edubuntu LTSP server for our needs - i7
processor with 12 GB RAM, and it's been working fairly well with the
25-odd computers we have in the school.  We need more machines so I
won't be using them as LTSP servers, but as end-user computers.

If I install them as stand-alone machines, I would lose the ability to
have your profile and files follow you around the school as well as
the central administration advantages of LTSP, would I not?

Thanks
Joseph

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How to I load a different version of Ubuntu

[Dallas KD4HNX]

I downloaded both 12.10 and 12.04.2 LTS...  I installed 12.10 and it works but 
I wanted the LTS version...

If I put in the DVD with the ISO image will it prompt me to blow away the 12.10 
version and install the LTS one

What do I need to do?


Dallas
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Re: How to I load a different version of Ubuntu

[Frank Van Damme]

2013/4/20 Dallas KD4HNX mylastn...@yahoo.com:
 I downloaded both 12.10 and 12.04.2 LTS...  I installed 12.10 and it works
 but I wanted the LTS version...

 If I put in the DVD with the ISO image will it prompt me to blow away the
 12.10 version and install the LTS one


Downgrading is rarely supported, with any operating system. You will
have to blow it away, but maybe there is something you want to keep
from your current installation? You can for example always transfer
your /home.

--
Frank Van Damme
My new computer came with Windows 7. Windows 7 is much more user- friendly
than Windows Vista. I don’t like that.”
-- Sheldon Cooper, The Big Bang Theory

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Re: How to I load a different version of Ubuntu

[Dallas KD4HNX]

I was blown away by how easy it was   Since I discovered my mistake half 
way through the install I had ZERO files to save...

I took a gamble and put the 12.04.2 LTS DVD in and it gave me the option to 
blow away the first install or try to keep some of the Apps...  Well I went for 
the full install...  The install went quickly...

The only problem, the older version didn't like my video card and I could only 
get one monitor to work...  So I put in the 12.10 DVD and I'm now back on that 
version

Now if I had data and lots of stuff configured the down-grade / up-grade / 
down-grade would have been a different story...


Dallas

 




 From: Frank Van Damme frank.vanda...@gmail.com
To: Dallas KD4HNX mylastn...@yahoo.com 
Cc: edubuntu-users@lists.ubuntu.com edubuntu-users@lists.ubuntu.com 
Sent: Saturday, April 20, 2013 1:49 PM
Subject: Re: How to I load a different version of Ubuntu
 

2013/4/20 Dallas KD4HNX mylastn...@yahoo.com:
 I downloaded both 12.10 and 12.04.2 LTS...  I installed 12.10 and it works
 but I wanted the LTS version...

 If I put in the DVD with the ISO image will it prompt me to blow away the
 12.10 version and install the LTS one


Downgrading is rarely supported, with any operating system. You will
have to blow it away, but maybe there is something you want to keep
from your current installation? You can for example always transfer
your /home.

--
Frank Van Damme
My new computer came with Windows 7. Windows 7 is much more user- friendly
than Windows Vista. I don’t like that.”
    -- Sheldon Cooper, The Big Bang Theory


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Edubuntu - How to create a shutdown splash screen?

[John Hupp]

This is actually a tangent to the incomplete shutdown problem that I 
have been working on. In my initial post I wondered if, as a work-around 
of sorts, I could create a shutdown splash screen that would remain 
on-screen on machines that suffer from the shutdown problem.


So pending a fix for the shutdown problem, I return to this thought in a 
separate thread of its own.


When I initially posted the problem on the LTSP mail list, one reply 
came that it was possible but not easy to do, and that such a mechanism 
would be distro-specific and require help from someone with 
distro-relevant knowledge.


What I had in mind was a screen similar to the one that appeared on 
Windows 9x machines that could not turn off automatically.  For those, 
the last screen that appeared said something like It is now safe to 
turn off your computer.


And I think I recall seeing this screen flash on for an instant even on 
machines that could turn off automatically. So it may have been part of 
the standard shutdown routine and only remained on-screen for cases when 
an auto-shutdown didn't work.


Anyone know how?



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Re: Ok...new issue...how to get Epoptes running with LDAP users

[Alkis Georgopoulos]

Στις 11/08/2012 10:54 μμ, ο/η David Trask έγραψε:

Hi!

I got localapps running on my single nic Edubuntu (12.04)
server...Epoptes works...I can see all the workstations...shut them
down...etc.  But the only hitch is when I try to broadcast my own screen
to someone who is logged in via LDAP (Likewise) it says it is unable to
connect to host: connection refused.  EVERYTHING else works...except
boradcasting my screen to theirs.  Any ideas?

David Trask
Technology Director/Teacher
Vassalboro Community School
dtr...@vcsvikings.org mailto:dtr...@vcsvikings.org
(207) 923-4305






Hi,

please open a question in https://answers.launchpad.net/epoptes, I think 
it serves nicely as an archive for epoptes-related questions (you can 
also go there from the Epoptes help menu).


Also please mention if you're able to see/control the clients _before_ 
they login or not.


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Ok...new issue...how to get Epoptes running with LDAP users

[David Trask]

Hi!

I got localapps running on my single nic Edubuntu (12.04) server...Epoptes
works...I can see all the workstations...shut them down...etc.  But the
only hitch is when I try to broadcast my own screen to someone who is
logged in via LDAP (Likewise) it says it is unable to connect to host:
connection refused.  EVERYTHING else works...except boradcasting my screen
to theirs.  Any ideas?

David Trask
Technology Director/Teacher
Vassalboro Community School
dtr...@vcsvikings.org
(207) 923-4305

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Re: How to speed up Epoptes broadcast to 30 fat clients on gig netwk

[Alkis Georgopoulos]

Στις 10/02/2012 05:37 μμ, ο/η Jim Christiansen έγραψε:

Is there any way to speed up the rate that the lab of 30 clients will refresh?


Epoptes launches an x11vnc server in shared mode, which I believe is as 
fast as this specific technology can get. Unfortunately VNC is slow.
A gigabit network will help. On 100 mbps networks VNC repeaters could 
help, but it would be very difficult to do it automatically.


In the future, we want to implement screen AND video broadcasting with 
multicasting, so that a teacher can show e.g. a full screen video even 
in 100 Mbps LANs. We'll have to develop a small client in C so that it 
can be used as a localapp in LTSP thin clients with 128 MB RAM too, 
that's why we can't do it soon.


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A good quick localapps how-to for 11.10?

[David Trask]

Is there a good quick localapps how-to for 11.10?

David Trask
Technology Director/Teacher
Vassalboro Community School
dtr...@vcsvikings.org
(207) 923-4305

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Re: How to speed up the Edubuntu thinclient and how to create multiple user on the Edubuntu server

[Nigel Barker]

On 12 November 2011 22:22, Jeff Brown j...@wildcoast.com wrote:
 On 12 Nov 2011, at 10:11 AM, jigmet mingur wrote:

 I know Tux-'x' is responsible for that, mostly, and is so slow it's unusable
 with more than 2 people using it at a time). But do give compression a try.
 I think it makes a noticeable improvement for browsing and general work.
 (Aside: does anyone know of a decent touch-typing program that isn't as
 bandwidth intensive as Tux?)

We use ktouch. It is very plain and simple,  but kids enjoy it.

I think tuxpaint performs better when launched from within Gcompris. I
haven't tested it it, but I have the impression that several thin
clients can launch it more or less simultaneously without all the
waiting that you get when using it directly from the menu.

(I uninstalled the other tux programs. Just not worth all the frustration)

cheers

nigel

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Re: How to speed up the Edubuntu thinclient and how to create multiple user on the Edubuntu server

[Matt Johnson]

On 12 November 2011 22:22, Jeff Brown j...@wildcoast.com wrote:
 On 12 Nov 2011, at 10:11 AM, jigmet mingur wrote:

 I know Tux-'x' is responsible for that, mostly, and is so slow it's unusable
 with more than 2 people using it at a time). But do give compression a try.
 I think it makes a noticeable improvement for browsing and general work.
 (Aside: does anyone know of a decent touch-typing program that isn't as
 bandwidth intensive as Tux?)

Would your thin client hardware be up to allowing local apps? We run Tux Paint 
this way, which means that the thin client hardware resources (memory) are 
used. Really slick and gives LTSP environments great scalability, taking load 
from the server. We do this for Firefox (and Flash) too. And for TuxMath and 
Hydrogen.

https://wiki.ubuntu.com/LTSPLocalAppSetup

(Although on 10.04, I'm pretty sure I didn't have to copy the 'wrapper script' 
it's talking about.)

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Re: How to speed up the Edubuntu thinclient and how to create multiple user on the Edubuntu server

[Jeff Brown]

Thanks for the tip!

I'll give it a go. The workstations are P3s with 256Mb RAM, but  
hopefully they should work.



On 13 Nov 2011, at 9:13 PM, Matt Johnson wrote:




On 12 November 2011 22:22, Jeff Brown j...@wildcoast.com wrote:

On 12 Nov 2011, at 10:11 AM, jigmet mingur wrote:


I know Tux-'x' is responsible for that, mostly, and is so slow it's  
unusable
with more than 2 people using it at a time). But do give  
compression a try.
I think it makes a noticeable improvement for browsing and general  
work.
(Aside: does anyone know of a decent touch-typing program that  
isn't as

bandwidth intensive as Tux?)


Would your thin client hardware be up to allowing local apps? We run  
Tux Paint this way, which means that the thin client hardware  
resources (memory) are used. Really slick and gives LTSP  
environments great scalability, taking load from the server. We do  
this for Firefox (and Flash) too. And for TuxMath and Hydrogen.


https://wiki.ubuntu.com/LTSPLocalAppSetup

(Although on 10.04, I'm pretty sure I didn't have to copy the  
'wrapper script' it's talking about.)


--
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--
Jeff Brown

Tel:+27-74-101 5170
Fax:+27-86-532 3508
www.wildcoast.co.za



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How to speed up the Edubuntu thinclient and how to create multiple user on the Edubuntu server

[jigmet mingur]

Hi Edubuntu Frds
Here  I have some doubts on Edubunt 10.10
1. How to speed up the Edubuntu thin client
2. How to create thin client user on the server
3.How to install the thin client manager.



Thank You all

-- 
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TCV Gopalpur
Senior Computer Instructor
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Re: How to speed up the Edubuntu thinclient and how to create multiple user on the Edubuntu server

[Jeff Brown]

On 12 Nov 2011, at 10:11 AM, jigmet mingur wrote:


Hi Edubuntu Frds
Here  I have some doubts on Edubunt 10.10
1. How to speed up the Edubuntu thin client


I found this article http://ubuntuforums.org/archive/index.php/t-368869.html 
 about compression.


Looking around the configuration files I didn't see any compression  
enabled in /var/lib/tftpboot/ltsp/i386/lts.conf so I added:


## SSH compression between LTSP client and server
NETWORK_COMPRESSION = True

Subjectively, using Firefox and LibreOffice apps feels a LOT faster.

But with 11 thin clients working (4 of them using TuxType and 1 using  
TuxPaint, the rest on Firefox or something else) the Dual Core was  
showing 2.8 to 3.4 workload (too high!) and the network throughput was  
still a solid 1.2GB per minute.


I know Tux-'x' is responsible for that, mostly, and is so slow it's  
unusable with more than 2 people using it at a time). But do give  
compression a try. I think it makes a noticeable improvement for  
browsing and general work.


(Aside: does anyone know of a decent touch-typing program that isn't  
as bandwidth intensive as Tux?)


And I must say, though I haven't tested exhaustively, while Firefox,  
LibreOffice Write and Calc still take a fairly long time to load  
initially; once they're running they seem fine. And then again, they  
only take about as long as OpenOffice takes to start on a normal PC. ;)


Overall, I'm very disappointed with the performance of Edubuntu  
compared to, for e.g., MS Terminal Server. One of these days I'd like  
to get around to booting a PXE basic X client and running an  
xtightvncviewer session to the host.



2. How to create thin client user on the server


Not sure I understand the question.

From a terminal:
sudo adduser arbusername

Or use [System] [Administration] [Users and Groups] on the Gnome  
desktop.


(Under Unity you can just click on the [+] application launcher and  
start typing user... or find it under System Administration.)



3.How to install the thin client manager.


Que?

Not sure what you mean, again. In 11.04, which I'm using, the closest  
thing I can imagine is iTalc.


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How to set libreoffice to save as .doc by default?

[john]

Hi all,

I am trying to set .doc to be the default file format for all
libreoffice users on Ubuntu LTSP 10.04
Under openoffice I used to be able to do this by editing:

/usr/lib/openoffice/basis3.1/share/registry/modules/org/openoffice/Setup/Setup-writer.xcu

That file doesn't seem to exist for Libreoffice. Does anyone know how
to do this under libreoffice?

Thanks!

John

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Re: How to set libreoffice to save as .doc by default?

[john]

Hi Richard,

I looked at that file but it scared me off. I have never seen a less
friendly config file. Luckily using your tip I found someone
http://davidmburke.com/2011/04/16/linux-in-schools/  had written a
little sed stanza to make the fix

sudo sed -i 's/prop
oor:name=ooSetupFactoryDefaultFiltervaluewriter8\/value/prop
oor:name=ooSetupFactoryDefaultFiltervalueMS Word 97\/value/g'
/usr/lib/libreoffice/basis3.3/share/registry/writer.xcd

Seems to be working properly.

Thanks for your help

John


On Tue, Sep 13, 2011 at 11:52 AM, Richard Doyle
rdo...@islandnetworks.com wrote:
 On Tue, 2011-09-13 at 09:29 -0700, john wrote:
 Hi all,

 I am trying to set .doc to be the default file format for all
 libreoffice users on Ubuntu LTSP 10.04
 Under openoffice I used to be able to do this by editing:

 /usr/lib/openoffice/basis3.1/share/registry/modules/org/openoffice/Setup/Setup-writer.xcu
 Edit /usr/lib/libreoffice/basis3.3/share/registry/writer.xcd



 That file doesn't seem to exist for Libreoffice. Does anyone know how
 to do this under libreoffice?

 Thanks!

 John




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2 questions: 1 Crossover in FClients solved, 2 how many FCs can 1 server handle?

[Jim Christiansen]

OK.  I have Crossover running a win app from inside a fat image.  I just
wanted to say how I did this, although the process may be easier on another
clean edubuntu ltsp install.  My server has been installed by students last
year and had been a sandbox and I may have some issues, that I haven't
sorted out yet, with perms on the 1st user's account that wouldn't allow
publishing of a working private bottle.  Dunno...  :)

What I was able to do is copy a working Managed bottle into the chrooted
cxoffice support folder then have each user, inside a booted fat client,
make a private working copy of it from the Crossover/Config/Manage Bottles/
menu.  I've tested the procedure in several student accounts and it seems to
be a persistent working app.

So the other question, now that I have the system flying along nicely, is
how many fat clients can one server handle?  Right now I'm running 26 fat
clients and they are all really hauling along at an amazingly fast speed.

I either need to install another Fat LTSP server for our library, or just
hang the 26 library boxes onto my network for a total of 52 fat clients.  Is
this possible??  I guess I'll have time to check next week but I'm wondering
if someone here already knows if a 1 ghz network can do it, maybe, or no
hope?!

Thanks for the help everyone,  Jim
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Re: how to set PATH in fat client?

[Todd O'Bryan]

Could any of the developers comment on this or is there a better place to ask?

On Mon, Jul 11, 2011 at 10:38 AM, Todd O'Bryan toddobr...@gmail.com wrote:
 I've tried setting the PATH variable in my fat client chroot in both
 /etc/environment and /etc/profile, but neither of them seem to do
 anything. Because I teach programming, students need to run commands
 in the terminal.

 Any idea how to do this, or why the fat client doesn't pay attention
 to /etc/environment or /etc/profile when users log in?

 Todd


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how to set PATH in fat client?

[Todd O'Bryan]

I've tried setting the PATH variable in my fat client chroot in both
/etc/environment and /etc/profile, but neither of them seem to do
anything. Because I teach programming, students need to run commands
in the terminal.

Any idea how to do this, or why the fat client doesn't pay attention
to /etc/environment or /etc/profile when users log in?

Todd

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HOW TO

[hutama dibya]

Dear all,

I am new to Ubuntu. I want to use dual OS, Ubuntu and XP, with Ubuntu as the 
main OS and XP as the second. Could you tell me how to install these OS. What 
Program I need to down load and from where.
I usually work with Ms Office like Word, excell, Power point and some video  
sound editting, which I used to teach the students.
Thank you very much for your kind attention and help.

Best Regards,

Dibya Hutama


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Re: HOW TO

[Todd O'Bryan]

You'll want to download the Ubuntu install CD and install it beside
your Windows XP on the same hard drive. You will then be able to
dual-boot. When you start the computer, it will let you choose either
Ubuntu or Windows XP.

http://www.ubuntu.com/desktop/get-ubuntu/download

Welcome to the community!

On Sat, Mar 12, 2011 at 8:28 PM, hutama dibya romo...@yahoo.com wrote:
 Dear all,

 I am new to Ubuntu. I want to use dual OS, Ubuntu and XP, with Ubuntu as the
 main OS and XP as the second. Could you tell me how to install these OS.
 What Program I need to down load and from where.
 I usually work with Ms Office like Word, excell, Power point and some video
  sound editting, which I used to teach the students.
 Thank you very much for your kind attention and help.

 Best Regards,

 Dibya Hutama

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Re: HOW TO

[hutama dibya]

Dear Todd O'Bryan, 

Thank you very much for your information. I've already download your suggestion 
ubuntu-10.10-desktop-i386. Do I have to install in the same hard drive with 
different partition ? How about the office replacement program and also the 
video/audio editting program ? Where can I find those pprograms ? I intend to 
completely remove XP and change to Ubuntu if it is better and easy to 
get/operate.
Thank you very much for bothering me with the advice, since I'm completely new 
to Ubuntu.

Best regards,
Dibya Hutama




From: Todd O'Bryan toddobr...@gmail.com
To: hutama dibya romo...@yahoo.com
Cc: edubuntu-users@lists.ubuntu.com
Sent: Sun, March 13, 2011 8:53:12 AM
Subject: Re: HOW TO

You'll want to download the Ubuntu install CD and install it beside
your Windows XP on the same hard drive. You will then be able to
dual-boot. When you start the computer, it will let you choose either
Ubuntu or Windows XP.

http://www.ubuntu.com/desktop/get-ubuntu/download

Welcome to the community!

On Sat, Mar 12, 2011 at 8:28 PM, hutama dibya romo...@yahoo.com wrote:
 Dear all,

 I am new to Ubuntu. I want to use dual OS, Ubuntu and XP, with Ubuntu as the
 main OS and XP as the second. Could you tell me how to install these OS.
 What Program I need to down load and from where.
 I usually work with Ms Office like Word, excell, Power point and some video
  sound editting, which I used to teach the students.
 Thank you very much for your kind attention and help.

 Best Regards,

 Dibya Hutama

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Re: HOW TO

[hutama dibya]

Dear David Clinton,

Thank you very much for your information. I've tried to install the Ubuntu 
program/OS but I can't make the Ubuntu CD to boot up the computer. Is it 
because 
I still use the XP OS ? I use Infra Recorder from XP. Is it a wrong method ? Or 
is it another flaw ?
Would you be so kind to teach me the steps to make dual OS and making the Boot 
CD for the UBuntu disc. The Ubuntu OS won't start. There is not any screen to 
choose which OS I prefer.
I think I can't thank you all enough since I feel so most welcome in this 
community. It seems the whole community eager to help me to solve my problem. 
Please do forgive my ignorance in this Ubuntu OS. TQ. I promise you all not to 
give up in trying this.

Best Regards,
Dibya Hutama




From: dbclinton dbc...@gmail.com
To: hutama dibya romo...@yahoo.com
Sent: Sun, March 13, 2011 10:18:08 AM
Subject: Re: HOW TO

On Sat, 2011-03-12 at 19:02 -0800, hutama dibya wrote:
 Thank you very much for your information. I've already download your
 suggestion ubuntu-10.10-desktop-i386. Do I have to install in the
 same hard drive with different partition ? 

You can install on the same hard drive. When you boot the computer with
the CD in the drive, it will offer you a choice of how to partition your
disk. One option is to leave XP intact and create a new partition for
Ubuntu. You can then choose which session to run every time you boot.

 How about the office replacement program 

Ubuntu comes with OpenOffice which is very competitive with Office (we
use it exclusively in our school).

 and also the video/audio editting program ? 

For audio, you can install Audacity (it is free - you can find it once
you are up and running in Ubuntu in Synaptic). For video, try the PiTiVi
movie editor - also free.

 Where can I find those pprograms ? 

If they aren't automatically installed (I can't remember) you can get
them via system/admin/synaptic.
Good luck!
David Clinton


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Re: Set of BasicSetup how-to's for Lucid Edubuntu

[David Groos]

Hey Jonathan--I'm a big fan of well-done screencasts.  I'm making  
some for my students, for example, 'how do you make bubbles with  
links with CmapTools' etc.   Here are some characteristics of good  
instructional videos.  Like any criteria they should be used in  
moderation...


--They are short, ideally 2 minutes max.  This involves processing  
the screen cast afterwards to remove non-necessary stuff, also  
planning ahead of time helps as well to make sure you get all the  
bases covered.
--They have enough resolution so that you can read what's going on  
without too much squinting
--There is text to accompany them with code that can be copied/pasted  
and instructions that can be edited/improved--wiki style and read and  
re-read as needed.
--I really like sound, otherwise my attention wanders all over the  
place :-)


Here's an example of one I really like--Probably needs to be updated  
to Lucid of course--that's one of the things about documentation of  
Ubuntu with new version every 6 months :)


If you find some good ones, link to them on the BasicSetup page (like  
the one above by LNS--thanks Jordan!).


David




On Aug 25, 2010, at 10:29 AM, Jonathan Carter (highvoltage) wrote:


Hi David

Yesterday I searched for Edubuntu on YouTube and was pleasantly
surprised to find a bunch of training videos that different users
created for Edubuntu.

It seems that for some people at least, creating a video of how you do
it and explaining alongside is easier than typing up a howto in  
detail.


I'm wondering if we should perhaps communicate what kind of
documentation we need with the Youtube community and see what happens?
I'm quite interested myself in doing a few of them.

Any thoughts?

-Jonathan

On 02/07/2010 11:25, David Groos wrote:

Hi All Edubuntistas,

As I was researching and creating a BasicSetup wiki page
https://help.ubuntu.com/community/EdubuntuDocumentation/ 
EdubuntuCookbook/BasicSetup
I was moved by all the work that has been done on the Ubuntu  
wiki.  So

much has been created over the years.  My goal was to make 1 page to
coordinate all the how-to pages needed to do a basic (but  
complete) set

up of an Edubuntu Lucid LTSP server. The criteria used include:

   1. Respect the name space already used by the community (thus the
  cookbook in the name)
   2. Make the page as clear and easy to edit as possible.
   3. Include only the most basic how-to's but, be complete as well

Like all community projects, I can't (nor ought to) do this all  
myself.
I don't have enough knowledge nor enough time.  There are many  
dozens of

people on these mailing lists.  The Dev's are already tapped out with
their work developing the software and answering higher-level
troubleshooting questions so mainly my plea is directed to the
Edubuntu-users list and Ubuntu-education list.   Haven't made a  
page and
not sure how to?  Ask me and I'll help you get started.  We need  
new people!


Please take a look at this page.  Please consider adding your  
knowledge
to this page, improving this page.  If there are existing  
resources that
are appropriate for Lucid, note that and link to them.  If a how- 
to page
needs to be updated for Lucid and you have the knowledge or are  
willing

to gain it and update the page, please do so!

I'm willing to work over this summer to help create and coordinate  
this

BasicSetup series of pages.  Join me!

David



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Re: Set of BasicSetup how-to's for Lucid Edubuntu

[David Groos]

Thanks uwe.  Those points make sense to me--I just finished improving that
pagehttps://help.ubuntu.com/community/EdubuntuDocumentation/EdubuntuCookbook/BasicSetupbased
on your ideas.  People, please indicate your opinion about what is
mandatory and what is optional.  By mandatory I mean to set up a lab of
computer in a school.

David

On Fri, Jul 2, 2010 at 4:45 PM, uwe uwe.geerc...@datamelt.com wrote:

 david,

 thanks for the good work. I am teaching linux part-time at our small
 local school since three years using edubuntu and ltsp.

 let me please add my 2 cents to the pages:
 - I think each page should have an indication when it was last touched.
 each.
 - each line in the table or the linked page should have a clear
 indication if the process is optional or mandatory.
 - maybe a basic setup and an extended version is required. the basic
 setup should be short in my eyes.
 - e.g. add users in bulk is an optional task and not required for a
 basic setup (depending on the size of the school of course) but it is
 more like a goodie for me. just as the point about the maintenance.

 hope this helps a bit.

 have a nice weekend,

 uwe

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Re: LTSP-Cluster - how to disable info box on the boot?

[Emmanuel Le Normand]

Thank you for this information 

- Asmo Koskinen asmo.koski...@arkki.info a écrit :
 
 https://answers.launchpad.net/ltsp-cluster/+question/101658
 
 Best Regards Asmo Koskinen.
 
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Université Pierre M. FRANCE
Direction des Systèmes d'Information
BP:47 / 38040 Grenoble Cedex 9
Tel: 04768-27880
Adhérent APRIL

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LTSP-Cluster and auto login works, but how to disable infobox?

[Asmo Koskinen]

Yes, everything else works, but how to disable infobox on boot process?

I have to click 'OK', after that auto login works as expected?

Where I can disable infobox?

cat lts.conf

[Default]
X_COLOR_DEPTH=16
LDM_DIRECTX=True
X_RAMPERC=80

[00:17:A4:F4:7C:D5]
LDM_AUTOLOGIN=True
LDM_USERNAME=ltsp000
LDM_PASSWORD=

cat getltscfg-cluster.conf

SERVER=172.23.24.23
PORT=80
ENABLE_SSL=N
INVENTORY=N
TIMEOUT=2

Best Regards Asmo Koskinen.

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Re: LTSP-Cluster and auto login works, but how to disable infobox?

[Asmo Koskinen]

https://answers.launchpad.net/ltsp-cluster/+question/101658

Best Regards Asmo Koskinen.

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LTSP-Cluster - how to disable info box on the boot?

[Asmo Koskinen]

LTSP-Cluster - how to disable info box on the boot? It needs manually 
intervent - clicking OK.

This one:

http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/01.JPG

Best Regards Asmo Koskinen.

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Re: Anyone know how to set AutoSave globally in openoffice

[Scott Balneaves]

On Mon, Mar 01, 2010 at 04:31:49PM -0800, john wrote:

  See:
 
  https://bugzilla.gnome.org/show_bug.cgi?id=320592
 
 Looks good.  Is Pessulus becoming the new front end from Gconf setting
 for LTSP users?

Well, part of the reason why I jumped in with a mission to re-vitalize the
Sabayon/Pessulus project is because, to a large extent, LTSP is now Stable
and Feature Complete.  It does such wonderful things as clustering,
localapps, fat clients, etc, that 5 years ago were just a dream.  We have other 
things in
store for it, like re-writing LDM to become proper PAM application, but these
improvements are aimed at making what we already have more
reliable/maintainable/extensible, etc.  But the fact still remains: LTSP does
just about everything you might conceivably think of with a thin client.

However, once most people install their LTSP lab/network/office, they stand
there, arms akimbo, admiring their handywork, and say, Great!  It all works
fantastically!  So, now, how do I manage it all?

And that's when the sound of crickets begins to be heard.

Now, keep in mind: this isn't really an LTSP problem to solve: LTSP's about
making a thin client possible, and making it easy to roll out a large number
of thin client workstations.  We're not about managing the desktop, only
delivery of the desktop to the user.

You'd hear exactly the same set of crickets chirping if you rolled out 30 full
GNOME desktop machines as opposed to 30 thin clients.

The GNU/Linux desktop has come a huge way, and I feel pretty confident in
saying that, for all but a few instances/exceptions, it can easily fill the
desktop roll in Business or the Home.  Where it's falling down right at the
moment is in post-installation management.  How does an administrator EASILY
manage 200 GNOME desktops?  It's hard without getting into a lot of manual
execution of gconf commands, and those would need to be executed per
workstation/server.

That's where Sabayon/Pessulus come in, and other technologies which currently
don't work correctly, like evoldap.  As a new GNOME foundation member, I've
decided to make it my goal to improve this area within GNOME, if for no other
selfish reason than to make my OWN job as a GNU/Linux desktop administrator
easier.  Of course, you'll all benefit as well :)

  I haven't had a chance to get to it, but post-Lucid, it's one of the things
  I'll be looking at.
 
 Awesome. Hope it makes it way into a Lucid back-port in the future as well.

Yeah, I'll be maintaing lots of Lucid backports, as that's what I'll be using
for the next 2 years.

 I appreciate your work. You must hold some kind of record for LTSP
 stick-to-it-tiveness

Insanity is doing the same thing over and over again but expecting different
results.

:)

Scott

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Anyone know how to set AutoSave globally in openoffice

[john]

Hello all,

I am trying to get openoffice to autosave student documents every 3
minutes rather than the default 15. Has anybody figured out how to
do this? I currently have kludgy approaches to setting default file to
save as .doc etc, but I haven't been able to get the save as feature
to work. I've seen
some advice http://wpkg.org/OpenOffice.org_2.x that says create a
custom Common.xcu file and place it in the users
./openoffice.org2/user/registry/data/org/openoffice/

The relevant snipped in the  Common.xcu should (apparently) look
something like this:

node oor:name=Save
  node oor:name=Document
   prop oor:name=AutoSave oor:type=xs:boolean
valuetrue/value
   /prop
   prop oor:name=AutoSaveTimeIntervall oor:type=xs:int
value3/value
   /prop
  /node
 /node


I've also seen other folks saying to try and put it somewhere in one
of the files located in
/usr/lib/openoffice/share/registry/modules/org/openoffice/Setup
although I am not sure which one.

Needless to say, neither approach is working for me right now.

BTW, I see similar requests going back on various LTSP lists for NINE
years. I think it would be worth trying to get a handle on Global
OpenOffice configuration once an for all.  Maybe someone on this list
already has?

Thanks!

John

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Re: Anyone know how to set AutoSave globally in openoffice

[Scott Balneaves]

On Mon, Mar 01, 2010 at 12:37:38PM -0800, john wrote:

 Needless to say, neither approach is working for me right now.
 
 BTW, I see similar requests going back on various LTSP lists for NINE
 years. I think it would be worth trying to get a handle on Global
 OpenOffice configuration once an for all.  Maybe someone on this list
 already has?

Oh, you have no idea how I've struggled with this.

I've taken it upon myself to try to solve this.  There was some stuff in the
old Pessulus for 1.1.x OpenOffice that accomplished some lockdown functions,
and setting globals.

See:

https://bugzilla.gnome.org/show_bug.cgi?id=320592

I haven't had a chance to get to it, but post-Lucid, it's one of the things
I'll be looking at.

Scott

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Re: Anyone know how to set AutoSave globally in openoffice

[john]

Hi Scott,

 Oh, you have no idea how I've struggled with this.

I saw you having a similar conversation in 2001. I can imagine you are
well sick of OO weirdness.


 I've taken it upon myself to try to solve this.  There was some stuff in the
 old Pessulus for 1.1.x OpenOffice that accomplished some lockdown functions,
 and setting globals.


 See:

 https://bugzilla.gnome.org/show_bug.cgi?id=320592

Looks good.  Is Pessulus becoming the new front end from Gconf setting
for LTSP users?


 I haven't had a chance to get to it, but post-Lucid, it's one of the things
 I'll be looking at.

Awesome. Hope it makes it way into a Lucid back-port in the future as well.

I appreciate your work. You must hold some kind of record for LTSP
stick-to-it-tiveness

John

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How to fix RAID1 array

[Todd O'Bryan]

I have my student home folders on a RAID1 array. One of the hard
drives seems to have become corrupted--I'm getting Buffer IO errors.

Is the hard drive definitely bad so I should get a new one, or should
I try reformatting it and seeing if it works again?

Either way, how do I do that? Is there a way to run the partitioner
part of the alternate install CD without running the whole installer?
Will the RAID array automatically pick up the reformat of the current
drive or a new drive if I have to get one?

Anyone got a link to TFM that I should R before I attempt this?

Thanks,
Todd

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Re: How to fix RAID1 array

[Gavin McCullagh]

Hi,

On Thu, 07 Jan 2010, Todd O'Bryan wrote:

 I have my student home folders on a RAID1 array. One of the hard
 drives seems to have become corrupted--I'm getting Buffer IO errors.

Ouch.  Is that a hardware RAID card or an MD linux software RAID one?

 Is the hard drive definitely bad so I should get a new one, or should
 I try reformatting it and seeing if it works again?

Could you paste a selection of the errors into an email?  It may not be
easy to tell, but it helps to have the full detail.

 Either way, how do I do that? Is there a way to run the partitioner
 part of the alternate install CD without running the whole installer?
 Will the RAID array automatically pick up the reformat of the current
 drive or a new drive if I have to get one?

If it's hardware RAID, you generally just determine which disk is dead,
replace it and let it resync (depending on the exact detail you may need to
shutdown or not).  If you're using software RAID you'd probably need to
work out which is the bad disk, take the server down, replace the disk,
boot back up, create identical sizes partitions on the new disk and add
those partitions to the existing RAID arrays.  Linux will then sync them
with the system running.

 Anyone got a link to TFM that I should R before I attempt this?

http://tldp.org/HOWTO/Software-RAID-HOWTO.html
man mdadm

Commands like:

ls -l /dev/md*
mdadm --help
sudo mdadm --detail /dev/md0
mdadm /dev/md0 --add /dev/sdb1

will likely be what you'll need.  Needless to say, be very careful what you
do.

Gavin


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Re: How to fix RAID1 array

[Gavin McCullagh]

Hi,

On Thu, 07 Jan 2010, Gavin McCullagh wrote:

  Anyone got a link to TFM that I should R before I attempt this?
 
   http://tldp.org/HOWTO/Software-RAID-HOWTO.html

This appears to be the up to date version:

http://www.linuxfoundation.org/collaborate/workgroups/linux-raid

Gavin


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Re: How to fix RAID1 array

[Scott Balneaves]

On Thu, Jan 07, 2010 at 01:57:26PM +, Gavin McCullagh wrote:

  Is the hard drive definitely bad so I should get a new one, or should
  I try reformatting it and seeing if it works again?

As a professional who makes his full time living off of being a sysadmin for a
largish Government Entity, let me just say one word:

   _ _  ____ _   _
 |  _ \   /\   / | |/ / |  | |  __ \ / |
 | |_) | /  \ | || ' /| |  | | |__) | (___
 |  _  / /\ \| ||   | |  | |  ___/ \___ \
 | |_) /  \ || . \| |__| | | ) |
 |/_/\_\_|_|\_\\/|_||_/

before you do ANYTHING else.

Scott

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Systems Department | -- Pablo Picasso
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Re: How to fix RAID1 array

[Gavin McCullagh]

On Thu, 07 Jan 2010, Scott Balneaves wrote:

    _ _  ____ _   _
  |  _ \   /\   / | |/ / |  | |  __ \ / |
  | |_) | /  \ | || ' /| |  | | |__) | (___
  |  _  / /\ \| ||   | |  | |  ___/ \___ \
  | |_) /  \ || . \| |__| | | ) |
  |/_/\_\_|_|\_\\/|_||_/
 
 before you do ANYTHING else.

Of course I meant to imply the same ;-)

Gavin



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Re: How to fix RAID1 array

[Scott Balneaves]

On Thu, Jan 07, 2010 at 04:20:02PM +, Gavin McCullagh wrote:
 On Thu, 07 Jan 2010, Scott Balneaves wrote:
 
     _ _  ____ _   _
   |  _ \   /\   / | |/ / |  | |  __ \ / |
   | |_) | /  \ | || ' /| |  | | |__) | (___
   |  _  / /\ \| ||   | |  | |  ___/ \___ \
   | |_) /  \ || . \| |__| | | ) |
   |/_/\_\_|_|\_\\/|_||_/
  
  before you do ANYTHING else.
 
 Of course I meant to imply the same ;-)

heh, I know I sound like a broken record :)

Scott

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Re: How/why does network-manager interfere with /etc/resolve.conf

[john]

HI Gavin et. al.

Doing apt-get remove network-manager

removed network-manager and network-manager-gnome

but left ubuntu-desktop

Cheers,

John

On Sat, Dec 5, 2009 at 7:24 AM, Gavin McCullagh gmccull...@gmail.com wrote:
 Hi,

 On Fri, 04 Dec 2009, john wrote:

 Thanks to all for the information.

 I've removed  network-manager network-manager-gnome from my server.

 I appreciate the help!

 One caution to bear in mind which I meant to put in my other email.  I
 presume that will have removed the ubuntu-desktop or edubuntu-desktop
 meta-package.  Having that package installed ensures that all components of
 the ubuntu desktop are installed.  Particularly in the case of a major
 upgrade, it's no harm to have it installed.

 If it has been removed and you're doing a release upgrade in future, you
 might want to install that package immediately before the upgrade.  Once
 you're finished the upgrade you could just remove network manager again.

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Re: How/why does network-manager interfere with /etc/resolve.conf

[Gavin McCullagh]

Hi,

On Mon, 07 Dec 2009, john wrote:

 Doing apt-get remove network-manager
 
 removed network-manager and network-manager-gnome
 
 but left ubuntu-desktop

That's good to know.

Thanks,
Gavin


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Re: How/why does network-manager interfere with /etc/resolve.conf

[Scott Balneaves]

On Mon, Dec 07, 2009 at 04:53:29PM +, Gavin McCullagh wrote:
 Hi,
 
 On Mon, 07 Dec 2009, john wrote:
 
  Doing apt-get remove network-manager
  
  removed network-manager and network-manager-gnome
  
  but left ubuntu-desktop
 
 That's good to know.

For people interested in leaving NetworkMangler^H^H^H^H^H^H^HManager
around for it's ease of use for wireless, but looking for a
more command-liney way to interact with it, I've packaged cnetworkmanager, and
written a manpage for it.  It's in my ppa:

https://edge.launchpad.net/~sbalneav/+archive/ppa

For karmic.

Scott

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Re: How/why does network-manager interfere with /etc/resolve.conf

[Gavin McCullagh]

Hi,

On Mon, 07 Dec 2009, Scott Balneaves wrote:

 For people interested in leaving NetworkMangler^H^H^H^H^H^H^HManager
 around for it's ease of use for wireless, but looking for a
 more command-liney way to interact with it, I've packaged cnetworkmanager, and
 written a manpage for it.  It's in my ppa:
 
 https://edge.launchpad.net/~sbalneav/+archive/ppa

Long have I sought after such a tool.  Thanks!

Gavin


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Re: How/why does network-manager interfere with /etc/resolve.conf

[Gavin McCullagh]

Hi,

On Thu, 03 Dec 2009, john wrote:

 I guess I don't understand how network-manager, dbus-subsystem, etc,
 etc, work with regards to networking. I feel like it's getting harder
 and harder to figure out who's in charge

I feel your pain.  You get to know how to use a whole heap of config files
and commands and then the goal posts move 40 yards left.

Perhaps ironically, this is all done in the name of simplicity for users --
so they don't have to edit the config files.  I have to say it has helped
me when I was able to point and click a cisco VPN set up through network
manager in thirty seconds.  I did manage to set it up using the config
files too, but it was definitely quicker and easier using network manager.
If Ubuntu is to be a real desktop solution, your marketing director needs
to be able to set up a VPN with either no or minimal help over the phone
from his IT staff.  Config files are not an option.

Windows went through a similar process back around v3.1 - v95.  Up to 3.1,
practically every application (opera, netscape, paint shop pro, ...) and
even Windows itself had its own .ini file.  Some of those settings were
configurable in the UI but many of them you just had to open the .ini file
and edit it yourself.  As a geek, I used to like that simple way to get
straight to the application's settings.  Then the windows registry became
the place to store all this.  I never got the hang of it¹.  

Gnome went through a similar thing with gconf which I've never really
gotten the hang of either.  On the other hand, I very rarely need to know
anything about it.

It's good and bad at the same time.  Your life is simplified until you want
to do something they haven't (yet) implemented simplicity for.

Gavin

¹ Shortly afterward, I bought my first PC running Windows 98 first edition
  and the horror of it made me try Redhat 6.1.  I haven't actively used
  a Windows desktop since. 


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Re: How/why does network-manager interfere with /etc/resolve.conf

[john]

Thanks to all for the information.

I've removed  network-manager network-manager-gnome from my server.

I appreciate the help!

John


On Fri, Dec 4, 2009 at 5:44 AM, Andy Figueroa figue...@andyfigueroa.us wrote:
 The first think I do after a new install of Ubuntu or Mint for a desktop at
 the school, is disable nm-applet (provided by network-manager-gnome) or
 discard it all together.  The last thing in the world you want one of your
 desktop users to do is to click on the darned thing.  But, for the laptop
 users, it's terrific.  What is irritating is nm-applet's lack of
 transparency with regard to its configuration files.  I do NOT use in on my
 own computers.

 Andy Figueroa

 Gavin McCullagh wrote:
 Hi,

 On Thu, 03 Dec 2009, john wrote:

 I guess I don't understand how network-manager, dbus-subsystem, etc,
 etc, work with regards to networking. I feel like it's getting harder
 and harder to figure out who's in charge

 I feel your pain.  You get to know how to use a whole heap of config files
 and commands and then the goal posts move 40 yards left.

 Perhaps ironically, this is all done in the name of simplicity for users --
 so they don't have to edit the config files.  I have to say it has helped
 me when I was able to point and click a cisco VPN set up through network
 manager in thirty seconds.  I did manage to set it up using the config
 files too, but it was definitely quicker and easier using network manager.
 If Ubuntu is to be a real desktop solution, your marketing director needs
 to be able to set up a VPN with either no or minimal help over the phone
 from his IT staff.  Config files are not an option.

 Windows went through a similar process back around v3.1 - v95.  Up to 3.1,
 practically every application (opera, netscape, paint shop pro, ...) and
 even Windows itself had its own .ini file.  Some of those settings were
 configurable in the UI but many of them you just had to open the .ini file
 and edit it yourself.  As a geek, I used to like that simple way to get
 straight to the application's settings.  Then the windows registry became
 the place to store all this.  I never got the hang of it¹.

 Gnome went through a similar thing with gconf which I've never really
 gotten the hang of either.  On the other hand, I very rarely need to know
 anything about it.

 It's good and bad at the same time.  Your life is simplified until you want
 to do something they haven't (yet) implemented simplicity for.

 Gavin

 ¹ Shortly afterward, I bought my first PC running Windows 98 first edition
   and the horror of it made me try Redhat 6.1.  I haven't actively used
   a Windows desktop since.



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Re: How/why does network-manager interfere with /etc/resolve.conf

[Todd O'Bryan]

I think (and I may be completely wrong) that if you include the
interface info in /etc/network/interfaces then network-manager leaves
it alone and expects you to take care of it.

Todd

On Thu, Dec 3, 2009 at 7:52 PM, john lists.j...@gmail.com wrote:
 Hi all,

 One of my gripes over the last year or so is the increasing complexity
 and abstraction of Ubuntu as regards networking management. I used to
 be  to be confident that I could control mac to logical interface
 mapping with iftab, or name resolution with /etc/resolv.conf, or
 assignments with
 /etc/network/interfaces. Lately it seems like everything is controlled
 by network-manager or dbus or some arcane mapping file that lives in
 some far-flung sub-directory.

 My current problem is trying to stop network-manager from over-writing
 my /etc/resolv.conf file when I start the server using bonding.

 I guess I don't understand how network-manager, dbus-subsystem, etc,
 etc, work with regards to networking. I feel like it's getting harder
 and harder
 to figure out who's in charge

 Can anyone point me in the right direction to learn more?

 Thanks!

 John

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Re: How/why does network-manager interfere with /etc/resolve.conf

[Nigel Barker]

2009/12/4 Todd O'Bryan toddobr...@gmail.com:
 I think (and I may be completely wrong) that if you include the
 interface info in /etc/network/interfaces then network-manager leaves
 it alone and expects you to take care of it.


I agree that nm shouldn't overrule interfaces.
However, if it is messing with your resolve.conf then
aptitude remove network-manager
should sort it.
I have a bunch of laptops booting straight into dhcp via wlan from
/etc/network/interfaces. nm is not installed or needed for a computer
which isn't going to leave school.

cheers
nigel


 Todd

 On Thu, Dec 3, 2009 at 7:52 PM, john lists.j...@gmail.com wrote:
 Hi all,

 One of my gripes over the last year or so is the increasing complexity
 and abstraction of Ubuntu as regards networking management. I used to
 be  to be confident that I could control mac to logical interface
 mapping with iftab, or name resolution with /etc/resolv.conf, or
 assignments with
 /etc/network/interfaces. Lately it seems like everything is controlled
 by network-manager or dbus or some arcane mapping file that lives in
 some far-flung sub-directory.

 My current problem is trying to stop network-manager from over-writing
 my /etc/resolv.conf file when I start the server using bonding.

 I guess I don't understand how network-manager, dbus-subsystem, etc,
 etc, work with regards to networking. I feel like it's getting harder
 and harder
 to figure out who's in charge

 Can anyone point me in the right direction to learn more?

 Thanks!

 John

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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[David Groos]

Gavin, I just got back into school and ran the command you suggested.  It
put out perhaps thousands of lines of identical text and then a few dozen
lines of different text.  In the attached file (made with gedit) I copied
the command, and the last several dozen lines of output including a number
of the identical lines.  Hope it means something to somebody!

Thanks,
David

On Wed, Nov 25, 2009 at 4:11 AM, Gavin McCullagh gmccull...@gmail.comwrote:

 Hi,

 On Tue, 24 Nov 2009, David Groos wrote:

  Thanks Gavin for sending your ideas!  See below for comment.
 
   == Try Manual TFTP Download ==
 snip
  Didn't really get this so tried the next idea...

 Fair enough, sorry.  I should have explained better.  Basically, it looked
 (before) like the TFTP transfer was timing out so I was trying to see could
 you run it manually.  Anyway, that appears to be working now.

   == Watch tftp traffic on the server ==
 snip
  sudo tcpdump -i eth0 'udp port 69'
 snip
  After school I again was able to look at things and I tried your second
  idea.  Now, strangely enough, the client boot quite a bit further than
  before and I hadn't (purposefully) done any changes, just booted the
 server,
  opened the terminal and typed in above command, then tried to boot the
 thin
  client.  Thanks to my cell phone camera I recently got I easily recorded
 the
  client screen and server screen and have posted them on my
  sitehttp://plonedev.mpls.k12.mn.us/gcos09/Members/mrg/edubuntu-images/
 .

 Your tcpdump output is showing you what is a fairly normal tftp
 conversation for a computer booting with pxelinux.  The tftp server serves
 all its files from /var/lib/tftpboot so those paths are within their.

 ---
 The client first asks for the file pxelinux.0, then checks for a sequence
 of boot config files (in /pxelinux.cfg/) based on its mac address
 (00-08-02-e4-47-80 is likely the mac address of your client) and its IP
 address (C0A800F3 is hex for 192.168.0.243, C0A800 is hex for 192.168.0.,
 etc).  Eventually it takes the default file which tells it what kernel to
 boot if none of the mac or ip-specific hosts are present.

 The client then downloads /ltsp/i386/vmlinuz (the kernel) and
 /ltsp/i386/initrd.img (the initial ramdisk) and finally
 /ltsp/i386/lts.conf (the ltsp setting for individual clients).
 ---

 Annoyingly you can't see the responses coming back from the server as
 they're on a random other port.  You could change the command to:

   sudo tcpdump -i eth0 'host 192.168.0.243'

 to see all data transferred from/to that host.

 Anyway, TFTP seems to be working now.  I'd say your problem is in the
 errors mounting /dev/nbd0 and /rofs.  It's been a while since I've used a
 LTSP some I'm a little rusty on the details now.

 Gavin


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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[David Groos]

Thanks Gavin for the explanation.

Your comment that:

 I'd say your problem is in the
 errors mounting /dev/nbd0 and /rofs.

got me to google the comments from the non-booting client.  It appears that
what happened isn't unheard of (not much is), though most of it is old--2008
or so.  The most useful comment was the following, but since I didn't know
if it would apply to the current version and didn't know how much of my
customizations would be lost in attempting it, I thought I'd copy the
recommendation and see if someone could give their opinion on it.  Here was
the recommendation:

cd /var/lib/tftpboot/ltsp
sudo mv i386 i386.old
cd /opt
sudo mv ltsp ltsp.old
sudo ltsp-build-client(which is running now)
sudo cp /opt/ltsp.old/i386/etc/lts.conf /opt/ltsp/i386/etc/
(This solution was first mentioned by edenlab half way down this
pagehttp://ubuntuforums.org/archive/index.php/t-686966.html:
and later quoted by Shrek on this
pagehttp://www.pcbuyersguide.co.za/showthread.php?t=8163
.)

Thanks,
David

On Wed, Nov 25, 2009 at 4:11 AM, Gavin McCullagh gmccull...@gmail.comwrote:

 Hi,

 On Tue, 24 Nov 2009, David Groos wrote:

  Thanks Gavin for sending your ideas!  See below for comment.
 
   == Try Manual TFTP Download ==
 snip
  Didn't really get this so tried the next idea...

 Fair enough, sorry.  I should have explained better.  Basically, it looked
 (before) like the TFTP transfer was timing out so I was trying to see could
 you run it manually.  Anyway, that appears to be working now.

   == Watch tftp traffic on the server ==
 snip
  sudo tcpdump -i eth0 'udp port 69'
 snip
  After school I again was able to look at things and I tried your second
  idea.  Now, strangely enough, the client boot quite a bit further than
  before and I hadn't (purposefully) done any changes, just booted the
 server,
  opened the terminal and typed in above command, then tried to boot the
 thin
  client.  Thanks to my cell phone camera I recently got I easily recorded
 the
  client screen and server screen and have posted them on my
  sitehttp://plonedev.mpls.k12.mn.us/gcos09/Members/mrg/edubuntu-images/
 .

 Your tcpdump output is showing you what is a fairly normal tftp
 conversation for a computer booting with pxelinux.  The tftp server serves
 all its files from /var/lib/tftpboot so those paths are within their.

 ---
 The client first asks for the file pxelinux.0, then checks for a sequence
 of boot config files (in /pxelinux.cfg/) based on its mac address
 (00-08-02-e4-47-80 is likely the mac address of your client) and its IP
 address (C0A800F3 is hex for 192.168.0.243, C0A800 is hex for 192.168.0.,
 etc).  Eventually it takes the default file which tells it what kernel to
 boot if none of the mac or ip-specific hosts are present.

 The client then downloads /ltsp/i386/vmlinuz (the kernel) and
 /ltsp/i386/initrd.img (the initial ramdisk) and finally
 /ltsp/i386/lts.conf (the ltsp setting for individual clients).
 ---

 Annoyingly you can't see the responses coming back from the server as
 they're on a random other port.  You could change the command to:

   sudo tcpdump -i eth0 'host 192.168.0.243'

 to see all data transferred from/to that host.

 Anyway, TFTP seems to be working now.  I'd say your problem is in the
 errors mounting /dev/nbd0 and /rofs.  It's been a while since I've used a
 LTSP some I'm a little rusty on the details now.

 Gavin


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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[Gavin McCullagh]

Hi,

On Tue, 24 Nov 2009, David Groos wrote:

 Thanks Gavin for sending your ideas!  See below for comment.
 
  == Try Manual TFTP Download ==
snip 
 Didn't really get this so tried the next idea...

Fair enough, sorry.  I should have explained better.  Basically, it looked
(before) like the TFTP transfer was timing out so I was trying to see could
you run it manually.  Anyway, that appears to be working now.

  == Watch tftp traffic on the server ==
snip
 sudo tcpdump -i eth0 'udp port 69'
snip
 After school I again was able to look at things and I tried your second
 idea.  Now, strangely enough, the client boot quite a bit further than
 before and I hadn't (purposefully) done any changes, just booted the server,
 opened the terminal and typed in above command, then tried to boot the thin
 client.  Thanks to my cell phone camera I recently got I easily recorded the
 client screen and server screen and have posted them on my
 sitehttp://plonedev.mpls.k12.mn.us/gcos09/Members/mrg/edubuntu-images/.

Your tcpdump output is showing you what is a fairly normal tftp
conversation for a computer booting with pxelinux.  The tftp server serves
all its files from /var/lib/tftpboot so those paths are within their.

---
The client first asks for the file pxelinux.0, then checks for a sequence
of boot config files (in /pxelinux.cfg/) based on its mac address
(00-08-02-e4-47-80 is likely the mac address of your client) and its IP
address (C0A800F3 is hex for 192.168.0.243, C0A800 is hex for 192.168.0.,
etc).  Eventually it takes the default file which tells it what kernel to
boot if none of the mac or ip-specific hosts are present.

The client then downloads /ltsp/i386/vmlinuz (the kernel) and
/ltsp/i386/initrd.img (the initial ramdisk) and finally
/ltsp/i386/lts.conf (the ltsp setting for individual clients).
---

Annoyingly you can't see the responses coming back from the server as
they're on a random other port.  You could change the command to:

   sudo tcpdump -i eth0 'host 192.168.0.243'

to see all data transferred from/to that host.  

Anyway, TFTP seems to be working now.  I'd say your problem is in the
errors mounting /dev/nbd0 and /rofs.  It's been a while since I've used a
LTSP some I'm a little rusty on the details now.

Gavin


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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[Gavin McCullagh]

On Mon, 23 Nov 2009, David Groos wrote:

 I've attempted a Jaunty to Karmic LTSP server upgrade.  Things weren't
 completely smooth but I was able to do the upgrade without too much
 problem.  However, when I test boot a thin client, the screen goes to its
 regular point of the last line saying DHCP (at this point it usually grabs
 an image) but after less than .5 of a second it says: PXE-E32: TFTP open
 timeout then says, TFTP... (with the number of dots increasing slowly).
 
 Thanks Harry for the link to the page at
 http://ubuntuforums.org/showthread.php?t=1309835 I did what they
 recommended.  TC still don't boot.
 

 Still no luck--thin clients don't want to boot.  I plugged my laptop into
 the proper nic on the server and it gets an IP, so I think DHCP is working.
 Not sure where to look from here. Any ideas?

A couple of suggestions:

== Try Manual TFTP Download ==

Could you install a tftp client package (tftp, atftp, tftp-hpa) and try
downloading the images which the dhcp server is handing out?

You should be able to look in the dhcp config and work out what the correct
kernel and ramdisk images are, then download them with tftp (from a laptop
if possible, not from the server).   This will verify that your clients can
actually download the TFTP image (that's what appears to be timing out).

== Watch tftp traffic on the server ==

You could also watch the tftp traffic on the server by running (on the
server):
sudo tcpdump -i eth0 'udp port 69'

(assuming eth0 is the interface which points at your thin clients, if not
change that).  Then boot a thin client and see what packets go back and
forth.  If you don't see requests, they're not getting to the server for
some reason.  If you see requests and no responses, that might indicate
your tftp server is broken.

Let us know how you get on.

Gavin


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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[David Groos]

Thanks Gavin for sending your ideas!  See below for comment.

 Not sure where to look from here. Any ideas?

 A couple of suggestions:

 == Try Manual TFTP Download ==

 Could you install a tftp client package (tftp, atftp, tftp-hpa) and try
 downloading the images which the dhcp server is handing out?

 You should be able to look in the dhcp config and work out what the correct
 kernel and ramdisk images are, then download them with tftp (from a laptop
 if possible, not from the server).   This will verify that your clients can
 actually download the TFTP image (that's what appears to be timing out).


Didn't really get this so tried the next idea...



 == Watch tftp traffic on the server ==

 You could also watch the tftp traffic on the server by running (on the
 server):
sudo tcpdump -i eth0 'udp port 69'

 (assuming eth0 is the interface which points at your thin clients, if not
 change that).  Then boot a thin client and see what packets go back and
 forth.  If you don't see requests, they're not getting to the server for
 some reason.  If you see requests and no responses, that might indicate
 your tftp server is broken.

 Let us know how you get on.

 Gavin


After school I again was able to look at things and I tried your second
idea.  Now, strangely enough, the client boot quite a bit further than
before and I hadn't (purposefully) done any changes, just booted the server,
opened the terminal and typed in above command, then tried to boot the thin
client.  Thanks to my cell phone camera I recently got I easily recorded the
client screen and server screen and have posted them on my
sitehttp://plonedev.mpls.k12.mn.us/gcos09/Members/mrg/edubuntu-images/.
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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[Harry Sweet]

Three minutes and 46 seconds, to be precise : )

Round 1

Almost got there.  But I restored at the end of the day. 
I copied the new one to  an image and I plan on returning soon.

There were some network issues... The supposedly 
static server ip and DNS kept on getting changes/lost.
I could get it working, but how it behaved after a reboot
was random.

I think this is the problemseems there are 2 things fighting for control.
http://ubuntuforums.org/showthread.php?t=1309835 

Round 2, I'll restore the new system and try the fix from the forum.

It fixed problems I was having with Inkscape and Gimp.

---
On cloning

We use Clonezilla for our windows systems.  Clonezilla uses partimage.

We just have a 500 gig usb hard drive for server backups.  Partimage 
takes about 15 minutes to do a full gzipped image and about 4 to put it back.

We have /home in a separate partition, so there is not that much to clone.
Gzipped, its maybe 5 gigs, maybe less a bit.

I know it works, because It worked today, and this is not the first time I 
needed it.

I'm not sure it handles ext4 yet, so I'm staying on 3

have fun;;



 David Groos djgr...@gmail.com 11/03/09 7:11 PM 
How's it looking Harry?

And, how can you restore a system in 4 minutes?  I use clonezilla and to
burn the server image back onto a server it takes some 3-4 hours...  I don't
use partimage though--seems like that would would only repair part of the
deal?

David

On Mon, Nov 2, 2009 at 9:05 PM, Harry Sweet hsw...@gcsny.org wrote:

 I hope to find out tomorrow. I started the upgrade before I left work.

 Of course, I have a known working partimage-image so I can restore the
 existing system
 in 4 minutes if anything bad should happen.  I know how long it takes
 because I borked
 the server a couple of weeks ago trying to uninstall some weird software.

 I would definitely recommend taking that precaution.  Check out the Linux
 Rescue CD

 And oh, yeah, doing the upgrade will just upgrade the server.  You need to
 also chroot and
 ltsp-- help me with the command..  or the clients will still have the old
 sytem.





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Re: How likely to work would a Jaunty-to-Karmic server upgrade, be?

[David Groos]

How's it looking Harry?

And, how can you restore a system in 4 minutes?  I use clonezilla and to
burn the server image back onto a server it takes some 3-4 hours...  I don't
use partimage though--seems like that would would only repair part of the
deal?

David

On Mon, Nov 2, 2009 at 9:05 PM, Harry Sweet hsw...@gcsny.org wrote:

 I hope to find out tomorrow. I started the upgrade before I left work.

 Of course, I have a known working partimage-image so I can restore the
 existing system
 in 4 minutes if anything bad should happen.  I know how long it takes
 because I borked
 the server a couple of weeks ago trying to uninstall some weird software.

 I would definitely recommend taking that precaution.  Check out the Linux
 Rescue CD

 And oh, yeah, doing the upgrade will just upgrade the server.  You need to
 also chroot and
 ltsp-- help me with the command..  or the clients will still have the old
 sytem.



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Re: HELP!! how to prevent floppy mounts under Hardy/LTS

[john]

 Hi John,

 To fix your problem you need to add a script to fix perm of the /media/$USER 
 because your user all belong to the same group.


 * Install perl-suid on the server

 then create a script in /etc/ltspfs/mounter.d (you may have to create that
 directory) on the application server
 and a script called fixperm inside it, containing:
 == cut here ==
 #!/usr/bin/perl
 if ( $ARGV[0] eq 'add' ) {
        $ENV{'PATH'} = '/bin:/usr/bin';
        $user=getpwuid($);
        system chown, $user.root,//media//$user;
 }
 == cut here ==
 then you have to set permission 4755 on that script

 Marc

Thanks Mark,

I appreciate your advice.

Since we aren't using floppies on thin clients I've ended up creating
a cronjob that removes the mounts every 5 mins.

#!/bin/sh
cd /media
for dir in /media/*
do
cd $dir
umount -fl floppy0
cd ..
done

I know that your solution gives the user more control over their own
destiny, but in this case I think this approach may be suited to our
needs.

Thanks again for taking the time to reply!

John



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Re: HELP!! how to prevent floppy mounts under Hardy/LTS

[john]

 yes, this happens if your users dont have the default setup of using one
 group per user but use a shared group... try creating them like the
 default tools do (default group for $user would be the group $user)
 its a limitation ltspfs has.

 ciao
        oli


Hi Oli,

This is exactly the case for us since I am using Active Directory as
the backend for Authentication, so all users are members of the group
Domain Users (amongst a bunch of others). I guess you would say that
domain users is the primary group. I haven't figured out how to do
things with the other groups yet (e.g. slice and dice privileges based
on other windows groups that the user may have membership to.)

BTW, I know that Scott and Ace are working on the handbook, and I
would just throw out that it might be nice to have a cookbook section
where they detail setting up authentication via AD, LDAP, MYSQL or
what have you. I'd be happy to share my AD information, setup scripts
etc, if that would be useful to the documentation effort.

Thanks again!

John

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Re: HELP!! how to prevent floppy mounts under Hardy/LTS

[john]

On Mon, Sep 21, 2009 at 11:13 AM, Sven-Hendrik Haase s...@lutzhaase.com wrote:
 On 21.09.2009 20:04, john wrote:



 Did you try kicking out the floppy from /etc/fstab?


Hi Sven,

Yes. fd0 is commented out it /etc/fstab. These floppies are being
mounted from devices present on client workstations and I think that
they aren't source from /etc/fstab but rather through some .gvfs
magic.

Thanks!

John

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How to Convert DAT files to MPEG4 and DIVX using ffmpeg?

[Denny Adisetyawan]

hi all...

How to convert DAT files (VCD) to MPEG4 and DIVX using 
ffmpeg.

I need it to convert and save in USB Disk, so I can play 
it with my new DVD Player that support MPEG4 and DIVX.

Thanks

Denny Adisetyawan
Jl. Pahlawan 797
Tuban JATIM
(0356)327332
INDONESIA

website: www.geocities.com/xdnadea


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Raih Paket Umroh, Notebook, XBOX, Ipod Touch dan banyak hadiah lain di 
http://netkuis.telkom.net Netkuis Ramadhan 1430H 
persembahan Telkom



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WikiSite - a discussion on how to structure the wiki

[Ace Suares]

 links? Isn't that a concern?
- Let me try to answer that. Just look at EdubuntuWebsitePlan
(that is https://wiki.edubuntu.org/EdubuntuWebsitePlan). It redirects to
a new location where I put that page. Now, assuming that the new
location is where we want that page, which we are discussing, but just
assume it, then why in Linus' name would we want to keep the old URL around?

The page says: This is a draft page to get the Web Team started and
focussed. Feel free to edit. 

If you look at the Info on the page:
https://wiki.edubuntu.org/EdubuntuWebsitePlan?action=info
then you'll see the last edit is 2006-12-19 by willvdl

So, how can we want this page to keep existing? What use would be a
redirect? What use would be to keep a unfinished draft of 2006 anyway?

Believe me, there are MANY pages like this. Drafts for Edgy, Proposals
from 2005, Instructions on software that doesn't exist anymore, and tons
of plans on how to restructure the wiki :-)

I want to weed these pages OUT of the wiki. And there's 4 ways I think:

A. DELETE the page
B. ARCHIVE the page and NO REDIRECT
C. MOVE the page and NO REDIRECT

These 3 really clean up the wiki

D. COPY the page and leave a REDIRECT on the old URL

This one does resctucture the wiki, but does not clean it up so much.
But it's necesary for some pages, pages that are actually in use.

Now, I got some people telling me they don't like A, B and C, and I
can't really agree with that.

Why do we need https://wiki.edubuntu.org/EdubuntuKnot3LTSPTesting ?
I would say DELETE or ARCHIVE but in no case a redirect!

OKAY... THAT WAS HARD WASN'T IT! ON TO THE WIKISITE!

Okay, so why is there a WikiSite subnamespace?

Well, to do a cleanup of the /Edubuntu space, it's almost impossible not
to use some temporary holding space. I chose to create WikiSite
(arbitrary) and just started building the new structure under that.

Now it's not difficult to put stuff back into the Edubuntu namespace,
once that namespace is cleaned out. It's not trivial, but very well
doable and I am up to the task.

But why not leave the wikisite in there? It doesn't harm, does it?
Longer URL's are not really a concern, people are not learning the URL's
by heart? They just start at /Edubuntu and then should be able to find
everything, shouldn't they (it's not that way now!)?

And other projects don't do it this way? So what? If another project
would jump from a bridge.. ?

Google goes haywire? Come on, you should really know better. If there is
one thing adaptable it's Google's mind. Pure neuroplasticity.

So *my* choice would be to reorganize everything under WikiSite and then
later do some more work (thanks) and remove the WikiSite part, for
shorter URL's and greater peer-compliance. I don't mind to do the last
part - I think it's doable and looks nicer too.


I am looking forward to your reactions.


Cheers,
ace























































PERSONAL GRUNT
I hope this discussion will be over soon. I feel really held back. I
spent to much time explaining myself and I don't see others explaining
their decisions after every step. It's good to discuss and take away
concerns though. So I am opening myself up every time to whatever an
individual thinks or says. But I don't really like the way I am spoken
too. Please consider that I am 44 and have done a LOT of things in my
lifetime. I am not a 17 yr old enthusiast that needs to be reigned in.
Also, I feel it's individuals speaking and saying 'STOP WHAT YOU DO'.
I've been to two team meetings and no one spoke up on the subject.
That's not an attack on these individuals. It's a concern about the
Edubuntu decision making process./PERSONAL GRUNT







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Re: how about a community script repository?

[Jonathan Carter (highvoltage)]

Hi Jordan

Jordan Mantha wrote:
 My idea is that maybe we can create a Launchpad project to collect and
 distribute this good work by Edubuntu users. The actual scripts can be
 put into a bazaar repository where people can contribute to them,
 collaborate together, and write some documentation (usually lacking in
 personal scripts). We can then promote the script repository on the
 wiki/website/user documentation.
 
 The concern would be to make sure that the scripts have some minimum
 quality and won't eat people machines, etc. A suggestion would be to
 have the canonical script repository be owned by the Edubuntu
 Members team so they can review contributions for obvious problems. Of
 course people would be free to upload their own branches on Launchpad,
 but we'd link to the canonical repository. We can write a simple how
 to contribute howto on the wiki for people who are not familiar with
 bazaar.
 
 Any thoughts? Is this a good idea? Would you want to contribute?
 Would you use such a repository?

Sorry for not responding to this before, I think you should go ahead and
create the repository in LP, even if we start off with a few simple
scripts, I think it would be helpful. We could also have a session on
IRC and a wiki page explaining how to checkout the scripts and how to
commit the changes back.

-Jonathan

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how about a community script repository?

[Jordan Mantha]

So I was thinking today as I was reading the edubuntu-users thread
about user management scripts that it's a real shame that we aren't
doing more with what Edubuntu users around the world are doing to make
their systems work better/faster/more efficiently/etc. Additionally,
it's very easy for people to reinvent the wheel over, and over, and
over just because they didn't know the tools that other people have
already worked on.

My idea is that maybe we can create a Launchpad project to collect and
distribute this good work by Edubuntu users. The actual scripts can be
put into a bazaar repository where people can contribute to them,
collaborate together, and write some documentation (usually lacking in
personal scripts). We can then promote the script repository on the
wiki/website/user documentation.

The concern would be to make sure that the scripts have some minimum
quality and won't eat people machines, etc. A suggestion would be to
have the canonical script repository be owned by the Edubuntu
Members team so they can review contributions for obvious problems. Of
course people would be free to upload their own branches on Launchpad,
but we'd link to the canonical repository. We can write a simple how
to contribute howto on the wiki for people who are not familiar with
bazaar.

Any thoughts? Is this a good idea? Would you want to contribute?
Would you use such a repository?

-Jordan

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Re: Schooltool 1.0 - how to change language?

[asmo . koskinen]

 Sorry for the confusion!  We really have excellent i18n support, when
 we remember to include the translation files.  ;-)

Errare humanum est!

I'll try fresh installation when update is available, I just purged 1.0
(Ubuntu 8.10 x86_64).

Thank you very much, Tom.

Best Regards Asmo Koskinen.


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Re: Schooltool 1.0 - how to change language?

[Tom Hoffman]

On Sat, May 2, 2009 at 1:07 PM, Asmo Koskinen asmo.koski...@arkki.info wrote:
 Tom Hoffman kirjoitti:

 I'll get an answer from our non-English speaking developers at the
 beginning of the week and add it to the documentation.

 --Tom

 Thank you, Tom.

 Best Regards Asmo Koskinen.

OK... well, we forgot to compile the translations for the release.
Look for them in a bugfix targeted for next Tuesday.

More here:  http://book.schooltool.org/htmlhelp/translations.html

Sorry for the confusion!  We really have excellent i18n support, when
we remember to include the translation files.  ;-)

--Tom

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Re: Schooltool 1.0 - how to change language?

[Asmo Koskinen]

Asmo Koskinen kirjoitti:

 /usr/share/pycentral/python-schooltool/site-packages/schooltool/locales/fi/LC_MESSAGES/schooltool.po

cat 
/usr/share/pycentral/python-schooltool/site-packages/schooltool/locales/fi/LC_MESSAGES/schooltool.po
 
| less

# Finnish translation for schooltool
# Copyright (c) (c) 2005 Canonical Ltd, and Rosetta Contributors 2005
# This file is distributed under the same license as the schooltool package.
# FIRST AUTHOR em...@address, 2005.
#
msgid 
msgstr 
Project-Id-Version: schooltool\n
Report-Msgid-Bugs-To: FULL NAME em...@address\n
POT-Creation-Date: 2007-10-03 16:21+\n
PO-Revision-Date: 2006-07-24 13:44+\n
Last-Translator: Alfred J.Tims t1n...@linuxmail.org\n
Language-Team: Finnish f...@li.org\n
MIME-Version: 1.0\n
Content-Type: text/plain; charset=UTF-8\n
Content-Transfer-Encoding: 8bit\n
X-Launchpad-Export-Date: 2007-10-05 17:22+\n
X-Generator: Launchpad (build Unknown)\n
X-Rosetta-Version: 0.1\n



Anyone? You know, programs are useless if you have to learn english to 
use them...

Best Regards Asmo Koskinen.

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Re: Schooltool 1.0 - how to change language?

[Tom Hoffman]

I'll get an answer from our non-English speaking developers at the
beginning of the week and add it to the documentation.

--Tom

On Sat, May 2, 2009 at 6:49 AM, Asmo Koskinen asmo.koski...@arkki.info wrote:
 Asmo Koskinen kirjoitti:

 /usr/share/pycentral/python-schooltool/site-packages/schooltool/locales/fi/LC_MESSAGES/schooltool.po

 cat
 /usr/share/pycentral/python-schooltool/site-packages/schooltool/locales/fi/LC_MESSAGES/schooltool.po
 | less

 # Finnish translation for schooltool
 # Copyright (c) (c) 2005 Canonical Ltd, and Rosetta Contributors 2005
 # This file is distributed under the same license as the schooltool package.
 # FIRST AUTHOR em...@address, 2005.
 #
 msgid 
 msgstr 
 Project-Id-Version: schooltool\n
 Report-Msgid-Bugs-To: FULL NAME em...@address\n
 POT-Creation-Date: 2007-10-03 16:21+\n
 PO-Revision-Date: 2006-07-24 13:44+\n
 Last-Translator: Alfred J.Tims t1n...@linuxmail.org\n
 Language-Team: Finnish f...@li.org\n
 MIME-Version: 1.0\n
 Content-Type: text/plain; charset=UTF-8\n
 Content-Transfer-Encoding: 8bit\n
 X-Launchpad-Export-Date: 2007-10-05 17:22+\n
 X-Generator: Launchpad (build Unknown)\n
 X-Rosetta-Version: 0.1\n

 

 Anyone? You know, programs are useless if you have to learn english to
 use them...

 Best Regards Asmo Koskinen.

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Re: Schooltool 1.0 - how to change language?

[Asmo Koskinen]

Tom Hoffman kirjoitti:

 I'll get an answer from our non-English speaking developers at the
 beginning of the week and add it to the documentation.
 
 --Tom

Thank you, Tom.

Best Regards Asmo Koskinen.

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Schooltool 1.0 - how to change language?

[Asmo Koskinen]

Hi,

how I change language in Schooltool 1.0? There is one for finnish.

/usr/share/pycentral/python-schooltool/site-packages/schooltool/locales/fi/LC_MESSAGES/schooltool.po

http://www.schooltool.org/weblog/archive/2009/04/30/schooltool-10-released-a-free-student-information-system-for-schools-around-the-world

Best Regards Asmo Koskinen.

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Re: LTSP testing in Jaunty - how fat is local apps?

[Reiner Schmid]

Hello

Which windows programs do you run using wine? Once you have installed 
wine as a local app, does that mean all programs installed under it 
also run as local apps?




I use the wine version of  Hot Potatoes from  http://hotpot.uvic.ca/  
(not the java version)



karel the robot see http://www.cs.mtsu.edu/~untch/karel/

This programs run more robust and faster  than in normal mode (running 
on server) and I think they run as a local app. (I can not grep them  by 
ps aux in a localapp xterm . Only wine !  )



I also use a german  ms-windows-based programm in school  which needs 
with multimedial-data about 500 MB on harddisk. I installed it only in 
/home/wine (server)  and not in every /home folder of every 
autologged-in-user.


So I need the ability of ltsp-localapp to have access to /home instead 
of  access to / home/logged_in_user.


Reiner


*/

/*

2009/3/29 Reiner Schmid reisch...@gmx.de mailto:reisch...@gmx.de

Hello,


I've found fatclient to be sufficient on 800mhz + 300mb+ (ram more
important than cpu)

  

I can confirm this (ram more important) .

Testing with my clients some weeks ago : CPU  1GHz and 512 MB are
enough to work fine as a (nubae) fat client.  (With 256 ram it was
not possible in a good way)

But in my classroom now I use a Intrepid-ltsp with local apps and
the help from GetMoreFromLocalApps
see https://help.ubuntu.com/community/UbuntuLTSP/GetMoreFromLocalApps

localapps are : firefox vlc wine and the games lbreakout2 pingus
fillets
It is very easy and fast to install a new localapp and you instead
of /home/logged_in_user (- last one I noticed testing
jaunty-ltsp, only access to)
So I can use a folder named /home/wine for wine-windows-software
where the localapp wine and all clients could access to.

With openoffice - I think- it is no problem to let it run on the
server.

Reiner Schmid







On Sat, Mar 28, 2009 at 12:51 PM, graydebo...@tiscali.co.uk 
mailto:graydebo...@tiscali.co.uk
graydebo...@tiscali.co.uk mailto:graydebo...@tiscali.co.uk wrote:
  

Lets see if I have go this as I fancy a go, assuming Ubuntu 9 is out at
the end of April, not long to wait.

Jaunty is Ubuntu 9, I an running LTSP on 8.10 and trying the Nubae fat
client approach.  This works but HIGHFAT is too much for the 2.4Ghz 256
MB clients,



Asmo Koskinen kirjoitti:

  

OK. I'll do ltsp-localapps later today.


I did that with VLC and AVI file.
  

// I open this file on the LTSP server and make sure these lines are
set as below


r...@ubuntu-ltsp5:~# cat /var/lib/tftpboot/ltsp/i386/lts.conf
[default]
LOCAL_APPS_MENU = True
LOCAL_APPS_MENU_ITEMS = vlc
  

// vlc on the client image is installed and owned by root
//Is vlc on the image from the vanilla image or did you chroot to the
image and install it?


r...@ubuntu-ltsp5:~# ls -al /opt/ltsp/i386/usr/share/applications/
-rw-r--r--   1 root root 1463 2009-02-25 17:50 vlc.desktop
r...@ubuntu-ltsp5:~#

  

//On the server vlc is PID 8448


r...@ubuntu-ltsp5:~# ps ax | grep vlc
 8448 pts/2S+ 0:00 grep vlc
r...@ubuntu-ltsp5:~#
  

//This looks like a fat client node because we are @ ltsp201
//not sure what line 1 of grep has pulled up but line 2 shows a
differnent PID for vlc
// a df on the client would be interesting - what is mounted where?


r...@ltsp201:~# ps ax | grep vlc
 4705 tty7 S  0:00 su - user-ltsp5 -c LANG= DISPLAY=:7
XAUTHORITY=/var/run/ldm-xauth-hkVTMsjGK  vlc
 4707 tty7 Sl 0:20 vlc
 4761 pts/1S+ 0:00 grep vlc
r...@ltsp201:~#

http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
  

apps_VLC_01.png


http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
  

apps_VLC_02.png




I did have NAT problem (because I have only one nic) when I did try
  

to


listen streaming radio with localapps VLC. But that is just me,
localapps works just fine in Beta.

Best Regards Asmo Koskinen.



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Re: LTSP testing in Jaunty - how fat is local apps?

[Grayde Bowen]

By too much; the 256MB nodes can cope with 1 GUI program such as Open Office 
or even VLC although video playback (from a local USB mount, not /home on 
the server) is jerky.  Opening a 2nd GUI program on the same node; esp 
gnome_system_monitor, effectively knocked the node down.  Luckily there is 
still the tty1 on ctrl-alt-F1.
I had 14 nodes up at 100 Mbps, there were 5 of us trying out programs on a 
node each, with some swapping as nodes froze up.  The 1 Gb dual core 1.6 GHz 
node held up OK even running Blender.   Swap is maxed out on the 256MB 
nodes.  Most of these had no HDD so this must all be held in the local node 
RAM.

I will try a low fat Nubae install later in the week and give that a go.

Here is a ps aux sorted by CPU power of 1 node.  The actual CPU levels seem 
pretty low.  Puse audio is not working but that is the least of my worries. 
I will need to try a -k4 switch to check the memory useage.

$ ps aux | sort -rn -k3 | head

student1  5310  2.2  4.0 174096 61780 ?Sl   13:28   0:09 
/usr/lib/openoffice/program/soffice.bin -writer -splash-pipe=5

root  5018  2.2  0.8  25236 12704 tty7 Ss+  13:27   0:10 /usr/bin/X 
:0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7

student1  5156  0.8  1.2  35276 19876 ?S13:27   0:03 gnome-panel

student1  5331  0.7  1.1  40276 17240 ?Sl   13:32   0:01 
gnome-terminal

pulse 4250  0.6  0.2  27316  3520 ?Sl  12:16   0:29 
/usr/bin/pulseaudio --system --exit-idle-time=-1 --disable-shm --no-cpu-limit 
 --resample-method=trivial --high-priority -L module-detect -L 
module-esound-protocol-tcp auth-anonymous=1 -L module-native-protocol-tcp 
auth-anonymous=1 -L module-volume-restore -L module-rescue-streams -L 
module-native-protocol-unix -n

student1  5158  0.5  1.4  53472 22332 ?S13:27   0:02 
nautilus --no-desktop --browser

student1  5142  0.4  0.6  18844 10360 ?S13:27   0:01 
/usr/bin/metacity

student1  5221  0.1  0.7  26348 11376 ?Ss   13:28   0:00 
gnome-power-manager

student1  5214  0.1  0.8  25532 13796 ?S13:28   0:00 
update-notifier

student1  5213  0.1  0.8  25492 12952 ?S13:28   0:00 python 
/usr/share/system-config-printer/applet.py


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Re: LTSP testing in Jaunty - how fat is local apps?

[graydebo...@tiscali.co.uk]

Lets see if I have go this as I fancy a go, assuming Ubuntu 9 is out at 
the end of April, not long to wait.

Jaunty is Ubuntu 9, I an running LTSP on 8.10 and trying the Nubae fat 
client approach.  This works but HIGHFAT is too much for the 2.4Ghz 256 
MB clients,


Asmo Koskinen kirjoitti:

 OK. I'll do ltsp-localapps later today.

I did that with VLC and AVI file.
 
// I open this file on the LTSP server and make sure these lines are 
set as below
r...@ubuntu-ltsp5:~# cat /var/lib/tftpboot/ltsp/i386/lts.conf
[default]
LOCAL_APPS_MENU = True
LOCAL_APPS_MENU_ITEMS = vlc

// vlc on the client image is installed and owned by root
//Is vlc on the image from the vanilla image or did you chroot to the 
image and install it?
r...@ubuntu-ltsp5:~# ls -al /opt/ltsp/i386/usr/share/applications/
-rw-r--r--   1 root root 1463 2009-02-25 17:50 vlc.desktop
r...@ubuntu-ltsp5:~#

//On the server vlc is PID 8448
r...@ubuntu-ltsp5:~# ps ax | grep vlc
  8448 pts/2S+ 0:00 grep vlc
r...@ubuntu-ltsp5:~#
//This looks like a fat client node because we are @ ltsp201
//not sure what line 1 of grep has pulled up but line 2 shows a 
differnent PID for vlc
// a df on the client would be interesting - what is mounted where? 
r...@ltsp201:~# ps ax | grep vlc
  4705 tty7 S  0:00 su - user-ltsp5 -c LANG= DISPLAY=:7 
XAUTHORITY=/var/run/ldm-xauth-hkVTMsjGK  vlc
  4707 tty7 Sl 0:20 vlc
  4761 pts/1S+ 0:00 grep vlc
r...@ltsp201:~#

http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
apps_VLC_01.png
http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
apps_VLC_02.png


I did have NAT problem (because I have only one nic) when I did try 
to 
listen streaming radio with localapps VLC. But that is just me, 
localapps works just fine in Beta.

Best Regards Asmo Koskinen.



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Re: LTSP testing in Jaunty - how fat is local apps?

[David Van Assche]

Interesting,
   When you say too much what do you mean? The clients are slow? cpu
or ram is affected? Could you check with htop or the like while
running stuff... what programs are you running?

I've found fatclient to be sufficient on 800mhz + 300mb+ (ram more
important than cpu)

kind Regards,
David Van Assche

On Sat, Mar 28, 2009 at 12:51 PM, graydebo...@tiscali.co.uk
graydebo...@tiscali.co.uk wrote:
 Lets see if I have go this as I fancy a go, assuming Ubuntu 9 is out at
 the end of April, not long to wait.

 Jaunty is Ubuntu 9, I an running LTSP on 8.10 and trying the Nubae fat
 client approach.  This works but HIGHFAT is too much for the 2.4Ghz 256
 MB clients,


Asmo Koskinen kirjoitti:

 OK. I'll do ltsp-localapps later today.

I did that with VLC and AVI file.

 // I open this file on the LTSP server and make sure these lines are
 set as below
r...@ubuntu-ltsp5:~# cat /var/lib/tftpboot/ltsp/i386/lts.conf
[default]
LOCAL_APPS_MENU = True
LOCAL_APPS_MENU_ITEMS = vlc

 // vlc on the client image is installed and owned by root
 //Is vlc on the image from the vanilla image or did you chroot to the
 image and install it?
r...@ubuntu-ltsp5:~# ls -al /opt/ltsp/i386/usr/share/applications/
-rw-r--r--   1 root root 1463 2009-02-25 17:50 vlc.desktop
r...@ubuntu-ltsp5:~#

 //On the server vlc is PID 8448
r...@ubuntu-ltsp5:~# ps ax | grep vlc
  8448 pts/2    S+     0:00 grep vlc
r...@ubuntu-ltsp5:~#
 //This looks like a fat client node because we are @ ltsp201
 //not sure what line 1 of grep has pulled up but line 2 shows a
 differnent PID for vlc
 // a df on the client would be interesting - what is mounted where?
r...@ltsp201:~# ps ax | grep vlc
  4705 tty7     S      0:00 su - user-ltsp5 -c LANG= DISPLAY=:7
XAUTHORITY=/var/run/ldm-xauth-hkVTMsjGK  vlc
  4707 tty7     Sl     0:20 vlc
  4761 pts/1    S+     0:00 grep vlc
r...@ltsp201:~#

http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
 apps_VLC_01.png
http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
 apps_VLC_02.png


I did have NAT problem (because I have only one nic) when I did try
 to
listen streaming radio with localapps VLC. But that is just me,
localapps works just fine in Beta.

Best Regards Asmo Koskinen.



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Re: LTSP testing in Jaunty - how fat is local apps?

[Reiner Schmid]

Hello,

I've found fatclient to be sufficient on 800mhz + 300mb+ (ram more
important than cpu)

  

I can confirm this (ram more important) .

Testing with my clients some weeks ago : CPU  1GHz and 512 MB are enough 
to work fine as a (nubae) fat client.  (With 256 ram it was not possible 
in a good way)


But in my classroom now I use a Intrepid-ltsp with local apps and the 
help from GetMoreFromLocalApps

see https://help.ubuntu.com/community/UbuntuLTSP/GetMoreFromLocalApps

localapps are : firefox vlc wine and the games lbreakout2 pingus fillets
It is very easy and fast to install a new localapp and you have access 
to /home instead of /home/logged_in_user (- last one I noticed testing 
jaunty-ltsp, only access to home/logged_in_user)
So I can use a folder named /home/wine for wine-windows-software where 
the localapp wine and all clients could access to.


With openoffice - I think- it is no problem to let it run on the server.

Reiner Schmid






On Sat, Mar 28, 2009 at 12:51 PM, graydebo...@tiscali.co.uk
graydebo...@tiscali.co.uk wrote:
  

Lets see if I have go this as I fancy a go, assuming Ubuntu 9 is out at
the end of April, not long to wait.

Jaunty is Ubuntu 9, I an running LTSP on 8.10 and trying the Nubae fat
client approach.  This works but HIGHFAT is too much for the 2.4Ghz 256
MB clients,



Asmo Koskinen kirjoitti:

  

OK. I'll do ltsp-localapps later today.


I did that with VLC and AVI file.
  

// I open this file on the LTSP server and make sure these lines are
set as below


r...@ubuntu-ltsp5:~# cat /var/lib/tftpboot/ltsp/i386/lts.conf
[default]
LOCAL_APPS_MENU = True
LOCAL_APPS_MENU_ITEMS = vlc
  

// vlc on the client image is installed and owned by root
//Is vlc on the image from the vanilla image or did you chroot to the
image and install it?


r...@ubuntu-ltsp5:~# ls -al /opt/ltsp/i386/usr/share/applications/
-rw-r--r--   1 root root 1463 2009-02-25 17:50 vlc.desktop
r...@ubuntu-ltsp5:~#

  

//On the server vlc is PID 8448


r...@ubuntu-ltsp5:~# ps ax | grep vlc
 8448 pts/2S+ 0:00 grep vlc
r...@ubuntu-ltsp5:~#
  

//This looks like a fat client node because we are @ ltsp201
//not sure what line 1 of grep has pulled up but line 2 shows a
differnent PID for vlc
// a df on the client would be interesting - what is mounted where?


r...@ltsp201:~# ps ax | grep vlc
 4705 tty7 S  0:00 su - user-ltsp5 -c LANG= DISPLAY=:7
XAUTHORITY=/var/run/ldm-xauth-hkVTMsjGK  vlc
 4707 tty7 Sl 0:20 vlc
 4761 pts/1S+ 0:00 grep vlc
r...@ltsp201:~#

http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
  

apps_VLC_01.png


http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-
  

apps_VLC_02.png




I did have NAT problem (because I have only one nic) when I did try
  

to


listen streaming radio with localapps VLC. But that is just me,
localapps works just fine in Beta.

Best Regards Asmo Koskinen.



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Re: LTSP testing in Jaunty - how fat is local apps?

[Krsnendu dasa]

Which windows programs do you run using wine? Once you have installed wine
as a local app, does that mean all programs installed under it also run as
local apps?

2009/3/29 Reiner Schmid reisch...@gmx.de

  Hello,

 I've found fatclient to be sufficient on 800mhz + 300mb+ (ram more
 important than cpu)



  I can confirm this (ram more important) .

 Testing with my clients some weeks ago : CPU  1GHz and 512 MB are enough to
 work fine as a (nubae) fat client.  (With 256 ram it was not possible in a
 good way)

 But in my classroom now I use a Intrepid-ltsp with local apps and the help
 from GetMoreFromLocalApps
 see https://help.ubuntu.com/community/UbuntuLTSP/GetMoreFromLocalApps

 localapps are : firefox vlc wine and the games lbreakout2 pingus fillets
 It is very easy and fast to install a new localapp and you have access to
 /home instead of /home/logged_in_user (- last one I noticed testing
 jaunty-ltsp, only access to home/logged_in_user)
 So I can use a folder named /home/wine for wine-windows-software where the
 localapp wine and all clients could access to.

 With openoffice - I think- it is no problem to let it run on the server.

 Reiner Schmid






  On Sat, Mar 28, 2009 at 12:51 PM, 
 graydebo...@tiscali.co.ukgraydebo...@tiscali.co.uk 
 graydebo...@tiscali.co.uk wrote:


  Lets see if I have go this as I fancy a go, assuming Ubuntu 9 is out at
 the end of April, not long to wait.

 Jaunty is Ubuntu 9, I an running LTSP on 8.10 and trying the Nubae fat
 client approach.  This works but HIGHFAT is too much for the 2.4Ghz 256
 MB clients,



  Asmo Koskinen kirjoitti:



  OK. I'll do ltsp-localapps later today.


  I did that with VLC and AVI file.


  // I open this file on the LTSP server and make sure these lines are
 set as below


  r...@ubuntu-ltsp5:~# cat /var/lib/tftpboot/ltsp/i386/lts.conf
 [default]
 LOCAL_APPS_MENU = True
 LOCAL_APPS_MENU_ITEMS = vlc


  // vlc on the client image is installed and owned by root
 //Is vlc on the image from the vanilla image or did you chroot to the
 image and install it?


  r...@ubuntu-ltsp5:~# ls -al /opt/ltsp/i386/usr/share/applications/
 -rw-r--r--   1 root root 1463 2009-02-25 17:50 vlc.desktop
 r...@ubuntu-ltsp5:~#



  //On the server vlc is PID 8448


  r...@ubuntu-ltsp5:~# ps ax | grep vlc
  8448 pts/2S+ 0:00 grep vlc
 r...@ubuntu-ltsp5:~#


  //This looks like a fat client node because we are @ ltsp201
 //not sure what line 1 of grep has pulled up but line 2 shows a
 differnent PID for vlc
 // a df on the client would be interesting - what is mounted where?


  r...@ltsp201:~# ps ax | grep vlc
  4705 tty7 S  0:00 su - user-ltsp5 -c LANG= DISPLAY=:7
 XAUTHORITY=/var/run/ldm-xauth-hkVTMsjGK  vlc
  4707 tty7 Sl 0:20 vlc
  4761 pts/1S+ 0:00 grep vlc
 r...@ltsp201:~#
 http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-


  apps_VLC_01.png


  http://www.arkki.info/howto/Wiki/LTSP5/Jaunty_Beta_Eee_Local-


  apps_VLC_02.png


  

 I did have NAT problem (because I have only one nic) when I did try


  to


  listen streaming radio with localapps VLC. But that is just me,
 localapps works just fine in Beta.

 Best Regards Asmo Koskinen.



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 Modify settings or unsubscribe at: https://lists.ubuntu.


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I need to install the java, use-old-lib-version, work around, and don't get how to do this

[David Groos]

Hi All,

I've needed to improve java performance on my LTSP clients because key apps
for my students are java-based.  Actually, only one app is stand-alone:
CmapTools (http://cmap.ihmc.us/conceptmap.html), the other is an amazing
collection of web apps:
http://phet.colorado.edu/simulations/index.phpthough they can be
downloaded individually and run standalone, too.

I read the series of instructions here
https://bugs.launchpad.net/ubuntu/+source/ia32-libs/+bug/277069.  Some
describe how to solve the issue though I look at the download page in 1
reference and there are several files--sorry I don't get it and not sure how
to implement).

Also, there is the issue of the workaround being reset back to the Hardy
file during an update and a couple of workarounds.  The idea that made most
sense to me for that issue on the above page was the following, but again, I
didn't know how to implement it nor were there any comments that it was a
good idea or not by others...

 To use an older version of libX11, I would suggest to unpack it in
 a different place, and use the LD_LIBRARY_PATH environment veriable
 to point your executables to that place. That way, you don't have
 to fight the package system.

 For example:

 dpkg-deb -x ~//libx11-6_1.1.1-1ubuntu4_amd64.deb
 /usr/local/foo/libx11-6-6_1.1.1-1ubuntu4_amd64
 export
 LD_LIBRARY_PATH=/usr/local/foo/libx11-6-6_1.1.1-1ubuntu4_amd64/usr/lib:${LD_LIBRARY_PATH}

 Vincent.

Any help this weekend would be great.  Thanks!

David
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Re: How to copy menus and application settings between users ?

[Jordan Erickson]

Sergio,

You might want to check out the edubuntu-menus package. I haven't 
looked at it yet but it is said to aid in customizing xdg menus based on 
groups.

I also created this page, which is probably the hard way compared to 
using the edubuntu-menus packages, but I'll give you that option too. 
http://lns.wikidot.com/gnomecustommenus

Re: other user settings, /etc/skel is a good place to start. You can 
always create template dot-file configs in there, and all newly 
created users will have it copied when created.


HTH,
Jordan/Lns


Sergio Dicandia wrote:
 I'm preparing a new server for our classrom with 20 thin clients. I 
 need to customize menus and change some application settings, but I 
 cannot find a way to replicate the same settings on new users. It 
 seems I need to do the same things for all the users: since it's a 
 matter of about 20 minutes each, I definitely want to avoid 
 reinventing the wheel 

 Is there a way to copy user settings on different use profiles? I mean 
 something similar to copying profiles in Windows, where I can copy a 
 template user on Default user, being able to inheritate the same 
 settings for all consequently created profiles.

 TIA,
 Sergio


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Re: How to copy menus and application settings between users ?

[Richard Doyle]

On Sun, 2008-10-26 at 05:21 -0700, Sergio Dicandia wrote:
 I'm preparing a new server for our classrom with 20 thin clients. I
 need to customize menus and change some application settings, but I
 cannot find a way to replicate the same settings on new users. It
 seems I need to do the same things for all the users: since it's a
 matter of about 20 minutes each, I definitely want to avoid
 reinventing the wheel 
 
 Is there a way to copy user settings on different use profiles? I mean
 something similar to copying profiles in Windows, where I can copy a
 template user on Default user, being able to inheritate the same
 settings for all consequently created profiles.
Try Sabayon. Its unreliable and quirky, but by making small changes,
saving, and checking the results, you should be able to create a student
profile that can be applied to students.

 
 TIA,
 Sergio
 
 


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how to use ipod suffle with ubuntu 7.04

[Denny Adisetyawan]

hi all,

I have a friend have ipod suffle... but he cannot upload some music to
his ipod suffle because my computer running Ubuntu 7.04.

I want to help him but I can't

Can anyone help me about this?

Best Regards,

Denny


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Re: how to use ipod suffle with ubuntu 7.04

[Gavin McCullagh]

Hi,

On Sun, 12 Oct 2008, Denny Adisetyawan wrote:

 I have a friend have ipod suffle... but he cannot upload some music to
 his ipod suffle because my computer running Ubuntu 7.04.
 
 I want to help him but I can't
 
 Can anyone help me about this?

A quick google search for ubuntu ipod shuffle reveals lots of articles.

http://www.linuxjournal.com/article/9266
http://www.ubuntux.org/how-to-use-an-ipod-with-ubuntu
http://www.linuxforums.org/forum/ubuntu-help/80336-2nd-generation-ipod-shuffle.html

If your desktop is running Ubuntu 7.04 you should probably upgrade it.
7.04 is at end of life this month.

Gavin


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Re: How to share a folder among Edubuntu users ?

[Richard Doyle]

On Sun, 2008-10-12 at 13:55 -0700, Sergio Dicandia wrote:
 Hi,
 
 I have a problema on a 8.04 running in my school.
 Each thin client logs on using a username (pc01, pc02, ..., pc10) and
 have its own home dir.
 Since kids can log onto a different client each time, I need to show
 them their docs, regardless of the workstation they're connected to.
 (more, if autologon works, I'd like to have thin clients logging in
 automatically with no need to remember username and passwords, but
 that's another story).
 
 Briefly, I need a shared folder where everybody can read and write,
 with subfolders for each class, with the same full rights.
 I tried creating /home/classes and sharing it, but it doesn't work:
 each new doc is owned by its creator, and other users cannot do
 anything on it  :-(

 Any suggestions ?
use setgid on the shared folder and subfolders. See, for example, 
http://en.wikipedia.org/wiki/Setuid

There are lots of ways to do this, ours may not be optimal and aren't
quite what you need, but here are the folder permissions we use for the
cp12 class, where the Current Work folder can be used by anyone in
the class, but the Instructions folder is read-only for students and
read-write for the teacher (Barbara):

$ ls -al /home/classes/cp12
total 84
drwxr-s--T 4 barbara cp12  4096 2007-08-02 14:07 .
drwxr-xr-x 8 rootroot  4096 2008-09-01 10:00 ..
drwxrws--T 3 barbara cp12  4096 2008-09-24 11:53 Current Work
drwxr-s--T 2 barbara cp12  4096 2007-08-02 11:18 Instructions

hth

-Richard



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Re: How to activate gnome-watchdog

[Jordan Erickson]

It looks like I found somewhat of an issue with gnome-watchdog-0.9.2 - 
in checking up on one of the servers that it's been on since 9/9, I see 
some stale processes still, and looks like it's got a few of these 
pertaining to the users of the stale processes:


---
# ps aux|grep sleep
9-00130  32698  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
9-00280  32701  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
s1   32705  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
s20  32708  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
s9   32711  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
s27  32720  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
9-03969  32721  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
s3   32728  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
9-03214  32734  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
s24  32737  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
s12  32742  0.0  0.0   3068   728 ?S10:18   0:00 sleep 3
s8   32743  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
labtech  32749  0.0  0.0   3068   724 ?S10:18   0:00 sleep 3
---

So somehow, it's not catching everyone. Any ideas? The gnome-watchdog is 
just a script:

---
# file /usr/share/gnome-watchdog/gnome-watchdog
/usr/share/gnome-watchdog/gnome-watchdog: Bourne-Again shell script text 
executable
---

Any help or troubleshooting guidance appreciated. Thanks!

- Jordan


Todd O'Bryan wrote:
 Thanks. I downloaded version 0.9.2 from Jordan's site and it seems to
 work with Hardy. 0.9 wasn't, but I didn't investigate exactly why. I'm
 just happy I don't have to slay students when their clients lock up
 anymore.

 I also relented and ordered 30 512MB chips and now students aren't
 getting lock-ups anymore. On the one hand, it's a shame I couldn't
 figure out how to get the 128MB clients working. On the other hand, I
 got them for about $16/client including shipping, so it didn't
 increase the cost of the clients by too much.

 On a related note, anybody want to buy 30 128MB PC2700 chips? :-)
 (The clients only have a single slot.)

 Todd

 On Mon, Sep 15, 2008 at 4:29 AM, Asmo Koskinen [EMAIL PROTECTED] wrote:
   
 Todd O'Bryan kirjoitti:
 
 I recently installed Philipp Hanselmann's gnome-watchdog package on my
 server (which is Hardy), but it doesn't seem to have taken effect. Do I need
 to do anything special to get it started?
   
 You should see something like this.

 more /var/log/syslog | grep watchdog

 Sep 15 08:16:30 srvltsp logger: gnome-watchdog:(5) Process gnome-panel isn't
 existing anymore for USER3
 Sep 15 08:16:33 srvltsp logger: gnome-watchdog:(4) Process gnome-panel isn't
 existing anymore for USER3
 Sep 15 08:16:36 srvltsp logger: gnome-watchdog:(3) Process gnome-panel isn't
 existing anymore for USER3
 Sep 15 08:16:39 srvltsp logger: gnome-watchdog:(2) Process gnome-panel isn't
 existing anymore for USER3
 Sep 15 08:16:42 srvltsp logger: gnome-watchdog:(1) Process gnome-panel isn't
 existing anymore for USER3
 Sep 15 08:16:42 srvltsp logger: gnome-watchdog:test
 Sep 15 08:16:42 srvltsp logger: gnome-watchdog:cleanup USER3 because there
 is no gnome-panel for this user existing ...
 Sep 15 08:16:42 srvltsp logger: gnome-watchdog:Still these processes are
 active: 11888,31869,32052,32122
 Sep 15 08:16:42 srvltsp logger: gnome-watchdog:wait 5 seconds before killing
 them, but don't kill own process (31869).
 Sep 15 08:16:47 srvltsp logger: gnome-watchdog:Process gconfd-2 (11888)
 killed
 Sep 15 08:16:47 srvltsp logger: gnome-watchdog:Process bonobo-activati
 (32052) killed
 Sep 15 08:16:47 srvltsp logger: gnome-watchdog:Process evolution-data-
 (32122) killed

 Best Regards Asmo Koskinen.

 

   

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Re: How to activate gnome-watchdog

[john]

On Mon, Sep 15, 2008 at 2:13 PM, Todd O'Bryan [EMAIL PROTECTED] wrote:
 Thanks. I downloaded version 0.9.2 from Jordan's site and it seems to
 work with Hardy. 0.9 wasn't, but I didn't investigate exactly why. I'm
 just happy I don't have to slay students when their clients lock up
 anymore.

 I also relented and ordered 30 512MB chips and now students aren't
 getting lock-ups anymore. On the one hand, it's a shame I couldn't
 figure out how to get the 128MB clients working. On the other hand, I
 got them for about $16/client including shipping, so it didn't
 increase the cost of the clients by too much.

Hey Todd,

I was wondering what you were using for thin clients. We had the same
issue with Devon IT 6030's and started ordering them with 512 MB ram
installed instead of 128mb. The issue for us was that the thin clients
use system ram to do video as well so you were really looking at 128
mb minus about 30 megs or so for X. With 512 MB they run pretty well,
at least on 7.04

We do successfully run LTSP on clients with 128 mb ram, but those
clients have video cards with some ram on-board.

John

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Re: How to activate gnome-watchdog

[Todd O'Bryan]

They're Devon ITs, 6020P's, I think. With 512MB of memory, they seem to be
doing great.

Todd

On Wed, Sep 17, 2008 at 2:53 PM, john [EMAIL PROTECTED] wrote:

 On Mon, Sep 15, 2008 at 2:13 PM, Todd O'Bryan [EMAIL PROTECTED]
 wrote:
  Thanks. I downloaded version 0.9.2 from Jordan's site and it seems to
  work with Hardy. 0.9 wasn't, but I didn't investigate exactly why. I'm
  just happy I don't have to slay students when their clients lock up
  anymore.
 
  I also relented and ordered 30 512MB chips and now students aren't
  getting lock-ups anymore. On the one hand, it's a shame I couldn't
  figure out how to get the 128MB clients working. On the other hand, I
  got them for about $16/client including shipping, so it didn't
  increase the cost of the clients by too much.

 Hey Todd,

 I was wondering what you were using for thin clients. We had the same
 issue with Devon IT 6030's and started ordering them with 512 MB ram
 installed instead of 128mb. The issue for us was that the thin clients
 use system ram to do video as well so you were really looking at 128
 mb minus about 30 megs or so for X. With 512 MB they run pretty well,
 at least on 7.04

 We do successfully run LTSP on clients with 128 mb ram, but those
 clients have video cards with some ram on-board.

 John

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Re: How to dual boot to ltsp and windows xp

[george gouvas]

i think triple boot is easier for you. After the local installation of winXP
and ubuntu you have to put a file to the boot directory depending from the
type of your lan card and config the third choice of booting in the menu.lst
(/boot/grub/menu.lst) to boot from this file.
you can download the file from
http://rom-o-matic.net/
the entry of the third choice at my classrooms menu.lst is

 titleBoot from Lan card
root(hd0,1)
kernel/boot/eb-5.4.3-rtl8139.zlilo


On Thu, Sep 4, 2008 at 6:37 AM, Krsnendu dasa [EMAIL PROTECTED] wrote:

 How can I set up some of my machines so there is an option of booting to
 Windows XP or ltsp.
 I have heard someone else has done it on this list. Can you give me some
 tips.

 Actually, it may even be better to triple boot. LTSP, local ubuntu
 installation (for multimedia etc), or Windows XP.


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Re: How to dual boot to ltsp and windows xp

[Gavin McCullagh]

On Thu, 04 Sep 2008, Krsnendu dasa wrote:

 How can I set up some of my machines so there is an option of booting to
 Windows XP or ltsp.
 I have heard someone else has done it on this list. Can you give me some
 tips.

When you pxe boot, syslinux starts up before the kernel loads.  It can have
a menu with a timeout and you can choose to boot the local hard drive.

Page 12 of this presentation shows and example to pick between two kernels
but you can also have network boot or local boot, etc.  Syslinux configures
centrally and you can configure by ranges of mac addresses.

http://www.greenfly.org/talks/pxe/pxe-magic.html

This is the doc I used to get this working:

https://help.ubuntu.com/community/UbuntuLTSP/LTSPMultiboot

Gavin


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Re: Urgent help request! was Re: how do you get something to run when a user logs on?

[Vu Nguyen]

Hi guys, it's me again.
Just wonder with LTSP have you used Likewise to integrate with AD?
I can join the LTSP server to the domain but can not login with AD user.
Ta.
Jerry
Here are some references

http://www.likewisesoftware.com/

http://www.zimbio.com/Ubuntu+Linux/articles/96/Join+Ubuntu+8+04+Windows+Domain





On Tue, Sep 2, 2008 at 2:29 PM, Vu Nguyen [EMAIL PROTECTED] wrote:

 Thank you for the info, John.
 It is very helpful for a newbie. It is good when I am not alone with my
 idea.
 Thanks and I'll get back with the results.
 Vu Nguyen
 Powerthink Mebourne



 On Tue, Sep 2, 2008 at 3:59 AM, john [EMAIL PROTECTED] wrote:

 Hi Vu,

 We use win2k3 for authentication as well via winbind. We used to host
 student files on a windows server and I believe we used the pam_mount
 module to mount the shares on a per user basis
  http://pam-mount.sourceforge.net/

 Last year we moved the student files over to Linux and we are happy
 with the results. Since we're in a mixed environment we can share
 files with WindowsXP users via samba, with our LTSP clients via NFS
 and even allow remote access via sftp.

 I DO wish that /etc/profile would still work as it used to. I am sure
 there are good reasons for moving to an image based approach (if
 that's the right way to describe it) but I don't like the fact that it
 breaks the way *nix has worked for 20 years or so.

 John

 On Sun, Aug 31, 2008 at 4:25 PM, Vu Nguyen [EMAIL PROTECTED] wrote:
  Hi John and everyone,
  Thanks for this post, I am also looking for the solution too.
  I am deploying a lab with Edubuntu LTSP in a school, we have W2K3 domain
  setup already, I have tried likewise on normal ubuntu, it joins the
 domain
  and everything is ok, but it seems that I don't have luck with Edubuntu
  LTSP, I am working on this and next step will be how to map their home
  drive when they log on to the lab?.
  Thanks for your help.
  Ta.
 
 
  On Mon, Sep 1, 2008 at 7:21 AM, john [EMAIL PROTECTED] wrote:
 
  Hi all,
 
  I am two days away from the start of school and the problem I
  described before still applies to me. If I can't figure this out I'll
  have to put off my upgrade to 8.04 (or 8.10 perhaps) until December.
  I'd really appreciate any help.
 
  This issue is I want to run some scripts that up until now have been
  called by /etc/profile. This has worked for me up through Edubuntu
  7.04 The scripts use the system variables $HOME and $USER to map NFS
  shares to users desktops. I understand from oli and others that the
  image generated by 8.04 doesn't reference /etc/profile when users log
  in.
 
  When I tried calling these scripts from
  /etc/X11/Xsession.d per Ollies suggestion the scripts didn't seem to
  run, and in fact after accepting my credentials X just sent me back to
  the login screen,  perhaps my syntax was incorrect. But I couldn't
  find any debug information in the logs to trouble shoot the issue.
  Where do I find more debug info?
 
  francois suggestion about putting the lines in
  /opt/ltsp/i386/etc/profile and then updating the image didn't work
  either.
 
  Below is the what I placed in my file called
  /etc/X11/Xsession.d/85-SetupHome:
 
 
  #!/bin/sh
  #
  # SetupHome.sh
  #   Clean up from previous session
  #
  # Sweep all files from $HOME and $HOME/Desktop to $HOME/Desktop/ZDrive
  #  (ignores directories).
  # Makes Desktop and ZDrive dir entries if needed.
  #
 
  # Name of desktop itself
  dt=$HOME/Desktop
  if [ ! -e $dt ]
  then
 mkdir $dt
  fi
 
  # Name of ZDrive on Desktop
  zd=$dt/ZDrive
 
  # Storage server, and pre-built index of students on the server
  server=/mnt/ALLSTUDENTS
  index=$server/index.students
 
  # Make sure username is all lower case
  user=`echo $USER | tr A-Z a-z`
 
  # Zdrive does not exist, go figure it out
  if [ ! -e $zd ]
  then
 
 # Search file server for this user's directory
 if grep /$user'$' $index  /tmp/us$$
 then
 store=$server/`cat /tmp/us$$`
 else
 # N.B., must fix for y3k compatibility
 store=$server/2*/$user
 fi
 rm -f /tmp/us$$
 
 # Teachers, for instance, won't have storage on student fileserver
 if [ -e $store ]
 then
 ln -s $store $zd
 else
 # No ZDrive available for this user, just quietly leave
 exit 0
 fi
  fi
 
  # If the user created files in the home directory, move them down
  # to the Desktop
  for src in $HOME $dt
  do
 # Walk entries in this dir
 cd $src
 for x in *
 do
 # Only process *files* in this dir
 if [ -f $x ]
 then
 # Calculate default destination
 dest=$zd/$x
 
 # Oops, already there, concatenate an index number
 if [ -e $dest ]
 then
 # Start with foo_0, and count up until an opening is
  found
 count=0
 dest2=$zd/$count_$x
 while [ -e $dest2 ]
 do

How to dual boot to ltsp and windows xp

[Krsnendu dasa]

How can I set up some of my machines so there is an option of booting to
Windows XP or ltsp.
I have heard someone else has done it on this list. Can you give me some
tips.

Actually, it may even be better to triple boot. LTSP, local ubuntu
installation (for multimedia etc), or Windows XP.
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Re: Urgent help request! was Re: how do you get something to run when a user logs on?

[Craig E. Szymanski]

- john [EMAIL PROTECTED] wrote:

| From: john [EMAIL PROTECTED]
| To: Oliver Grawert [EMAIL PROTECTED]
| Cc: edubuntu-users@lists.ubuntu.com
| Sent: Sunday, August 31, 2008 5:21:55 PM GMT -05:00 US/Canada Eastern
| Subject: Urgent help request! was Re: how do you get something to run when a 
user logs on?
|
| Hi all,
| 
| I am two days away from the start of school and the problem I
| described before still applies to me. If I can't figure this out I'll
| have to put off my upgrade to 8.04 (or 8.10 perhaps) until December.
| I'd really appreciate any help.
| 
| This issue is I want to run some scripts that up until now have been
| called by /etc/profile. This has worked for me up through Edubuntu
| 7.04 The scripts use the system variables $HOME and $USER to map NFS
| shares to users desktops. I understand from oli and others that the
| image generated by 8.04 doesn't reference /etc/profile when users log
| in.
| 
Hi John,
I had this problem when I upgraded to Gutsy
(https://lists.ubuntu.com/archives/edubuntu-users/2008-February/003598.html)
What I ended up doing was using the information on this page...
http://trac.64studio.com/64studio/ticket/107
and put this file: 
http://trac.64studio.com/64studio/attachment/ticket/107/15shell_profile
into: /etc/X11/Xsession.d
Make sure it is executable: chmod 755 /etc/X11/Xsession.d/15shell_profile

Afterwards all my printer settings and other tweaks worked as before.
Craig

| 
| On Thu, Aug 28, 2008 at 8:27 AM, Oliver Grawert [EMAIL PROTECTED]
| wrote:
|  hi,
|  On Do, 2008-08-28 at 08:03 -0700, john wrote:
|  Hi all,
| 
|  I was wondering where I can put scripts that I want to run when a
| user
|  logs on to a thin client. I used to put them in /etc/profile but
| that
|  doesn't seem to work under Hardy. It seems like LDM is somehow
|  by-passing the stuff I put there. Can someone help me out?
|  ldm is executing /etc/X11/Xsession by default ... (like gdm or kdm
| do)
|  one option would be to put stuff into /etc/X11/Xsession.d, another
| is to
|  use the xdg autostart mechanism in /etc/xdg/autostart
| 
|  ciao
| oli
| 
| 
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Re: Urgent help request! was Re: how do you get something to run when a user logs on?

[Gavin McCullagh]

Hi,

On Sun, 31 Aug 2008, john wrote:

 When I tried calling these scripts from
 /etc/X11/Xsession.d per Ollies suggestion the scripts didn't seem to
 run, and in fact after accepting my credentials X just sent me back to
 the login screen,  perhaps my syntax was incorrect. But I couldn't
 find any debug information in the logs to trouble shoot the issue.
 Where do I find more debug info?

I think you need to remove the exit 0; off the end as a start.

I'll reply with more detail in a bit.

Gavin


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Re: how do you kill a user's old processes when they try to log back on

[Gavin McCullagh]

On Fri, 29 Aug 2008, Todd O'Bryan wrote:

 As a follow-on to this question, is the XRAMPERC variable that was available
 in Gutsy still available in Hardy? I added a setting to
 /var/lib/tftpboot/ltsp/i386/lts.conf, but users could still crash their
 terminals by going to a particularly graphics heavy website in Firefox.

I'm not sure about XRAMPERC to be honest, but it's disappointing to hear
firefox crashed a client as, if that's firefox v3, it should have the new
code in it to reduce the stress it puts on the X server (which caused it to
crash).

Are you using firefox v3, yeah?

Gavin


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Re: how do you kill a user's old processes when they try to log back on

[Asmo Koskinen]

Todd O'Bryan kirjoitti:

 As a follow-on to this question, is the XRAMPERC variable that was 
 available in Gutsy still available in Hardy? I added a setting to 
 /var/lib/tftpboot/ltsp/i386/lts.conf, but users could still crash their 
 terminals by going to a particularly graphics heavy website in Firefox.

Friend of mine in here Finland told me, that this helped.

$ sudo nano -w /usr/lib/firefox-3.0.1/firefox.sh

exec env MOZ_DISABLE_IMAGE_OPTIMIZE=1 $LIBDIR/$APPNAME $@

He said, that now he can go to the this page and FF do not crash. They 
use HP t5xxx clients.

http://doc.m0n0.ch/handbook-single/

Maybe you can try that, too.

Best Regards Asmo Koskinen.

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Re: how do you kill a user's old processes when they try to log back on

[Asmo Koskinen]

Asmo Koskinen kirjoitti:

 $ sudo nano -w /usr/lib/firefox-3.0.1/firefox.sh
 
 exec env MOZ_DISABLE_IMAGE_OPTIMIZE=1 $LIBDIR/$APPNAME $@

Last line is by default like this one:

exec $LIBDIR/$APPNAME $@

Best Regards Asmo Koskinen.

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