Re: [Ltsp-discuss] ltsp works like citrix?

2009-04-29 Thread CyberOrg
On Wed, Apr 29, 2009 at 11:23 AM, Mohammed Riswan jolie_...@yahoo.co.in wrote:

 Hi all,

 please answer my quesion if anybody knows, is ltsp is works like a citrix 
 metaframe? can we create an individual sessions same like citrix for all the 
 users?

 I appreciate if any1 could help me to answer the above..


Never used citrix metaframe, you can try out how ltsp works using the
live DVD from here:

http://en.opensuse.org/Education/Live

LTSP runs directly from the live DVD, no configuration required.

Cheers

-J

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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Peter Stein
Works just fine with Jaunty. Unfortunately no backports - yeah means
certainly a lot of work.

2009/4/24 Peter Stein peterstei...@googlemail.com:
 Ok, I added the line as suggest to reenable the non-removable device
 support. It doesn't really matter for us if users can access the thin
 clients' HD. However, I was not able to access the external hard
 drive.
 I tried on the workstation: ltspfsmounter /tmp add and got a drive
 mounted in /media/tmp just as it is supposed to be. Unfortunately it
 was the thin client's memory and not the external drive.
 ltspfs thinclient:/dev/sdb1 /media/tmp /mountpoint gave me nothing but
 a mess. After prompting the command I can not even determine the
 folder's permissions. Is there any way I can mount a specific device
 that is connected to the thin client. I think that would be a
 solution. Even if auto mount didn't work I wouldn't really mind. I
 could not find any hint in the man pages or the scripts.

 Maybe I do it all wrong. Thanks again for your help.


 Peter

 2009/4/22 Vagrant Cascadian vagr...@freegeek.org:
 On Wed, Apr 22, 2009 at 04:44:41PM +0200, Peter Stein wrote:
 my LTSP 5 gets better, but still needs some kind of attention. This
 time: External hard drives. Currently I use LTSP 5 on a Ubuntu 8.04
 (hardy for the thin client's OS, but Debian Etch for the
 workstations). We have auto mount for USB flash drives. That works
 impeccably. But I could not figure out a way to mount real external
 hard drives via ltspfsmounter or any other way (manually).

 external USB hard disks may not be considered removeable by udev, even though
 USB is clearly removeable (i think the same is true for firewire). many of 
 the
 recent changes to ltspfs were done to address this issue.

 i'm not sure if this applies to your Ubuntu 8.04 LTSP chroot, but NEWS.Debian
 in Debian contains:

 ltspfs (0.5.0~) unstable; urgency=low

  * automatic mounting of non-removable devices is now disabled by default
    to enable, in /etc/udev/rules.d/*ltspfsd.rules, remove ATTRS{removable}==1
    from the appropriate lines.  see http://bugs.debian.org/432024 for more
    information.

  -- Vagrant Cascadian vagr...@freegeek.org  Thu, 10 Jan 2008 13:19:04 -0800

 although in recent versions, we actually switched to LOCALDEV_DENY in 
 lts.conf
 (hmm... i'd better update the NEWS.Debian file...)

 live well,
  vagrant

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[Ltsp-discuss] R: small chroot environement

2009-04-29 Thread EBardelli
The hardware of my clients is very poor : PII 200 mhz + 64 mb.
They works quite well, but during my tests i saw that booting time and
performances are proportionally at dimension of chroot image
(/opt/ltsp/images/i386.img). I would try to create a small chroot image to
see if the clients works better, or do you think that's useless?

To do this on xubuntu 9.04 I did:

ltsp-build-client (this create the default image of 186mb taking packages
from jaunty repo (xubuntu 9.04)

ltsp-build-client --base /opt/ltsp_hardy --arch i386 --dist hardy (this
create a image of 165mb taking packages from hardy repo (xubuntu 8.04)


Emanuele 


-Messaggio originale-
Da: jam [mailto:j...@tigger.ws] 
Inviato: mercoledì 29 aprile 2009 2.34
A: ltsp-discuss@lists.sourceforge.net
Oggetto: Re: [Ltsp-discuss] small chroot environement

On Wednesday 29 April 2009 03:04:17
ltsp-discuss-requ...@lists.sourceforge.net 
wrote:
 Hi, do you know how to create a small chroot environment for ltsp clients?
 I have created the default one with ltsp-build-client but the i386.img
 became 186 mb with xubuntu 9.04 and 150mb  with ubuntu 8.04.
 thank you!

  
Emanuele
why is the size of the chroot of the slightest concern? I cannot see how it 
affects you in any way
James


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Re: [Ltsp-discuss] ltsp works like citrix?

2009-04-29 Thread Chris Roberts
On Wednesday 29 Apr 2009, Mohammed Riswan wrote:
 please answer my quesion if anybody knows, is ltsp is works like a citrix
 metaframe? can we create an individual sessions same like citrix for all
 the users?

We use metaframe and ltsp, so I should be able to answer.  Once the users have 
logged in, it works just the same as metaframe, with each user have their own 
user account and session. They log in/log out etc all pretty similar to 
metaframe.

There is no in-built method of shadowing users, but various open source 
applications may be installed to fulfill this need.  Users can be logged off 
easily enough.

The key difference is that with metaframe you need to have a client operating 
system.  Okay, you might buy dedicated thin clients, but they still have to 
have an operating system - even if it's only Windows CE.  You then connect 
from that client o/s to the metaframe server.

With LTSP, the LTSP server provides the client operating system at boot time.  
Thus the client can literally be bare metal (I always disconnect the hard 
drives).  Thus with LTSP you only have to maintain the server, and the single 
client operating system which resides in a chroot directory on the server.

The other key difference with metaframe, is that by default, LTSP won't work 
across subnets, and in particular across low-bandwidth connections.  But we 
get around this by installing FreeNX on the server, and connecting from 
remote fat clients using NoMachine NX Client.

Hope that helps.
-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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Re: [Ltsp-discuss] small chroot environement

2009-04-29 Thread Chris Roberts
On Tuesday 28 Apr 2009, ebarde...@iris-group.it wrote:
 Hi, do you know how to create a small chroot environment for ltsp clients?
 I have created the default one with ltsp-build-client but the i386.img
 became 186 mb with xubuntu 9.04 and 150mb  with ubuntu 8.04.
 thank you!

You don't usually install a full desktop environment in the chroot, which is I 
think what you are trying to do.  The client is only a means to an end 
(getting to LDM and thus to desktop environment on the server).

I think you're doing the fat client thing with ltsp, which isn't the norm, 
although it will work I understand.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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Re: [Ltsp-discuss] ltsp works like citrix?

2009-04-29 Thread Chris Roberts
Of course the other key difference is the lack of group policies for 
controlling users.  I use kiosk-tool for kde (which is dreadful) and I 
understand there is pessalus for gnome (about which I know nothing).

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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[Ltsp-discuss] R: small chroot environement

2009-04-29 Thread EBardelli
Following the installation manual I run ltsp-build-client and it create the
chroot image automatically.
There is another way? I miss to do something?
I have to work inside this directory
(/usr/share/ltsp/plugins/ltsp-build-client/Ubuntu) ?

How big is your i386.img?

thank you
Emanuele 


-Messaggio originale-
Da: Chris Roberts [mailto:c...@tridentgarages.co.uk] 
Inviato: mercoledì 29 aprile 2009 10.29
A: ltsp-discuss@lists.sourceforge.net
Oggetto: Re: [Ltsp-discuss] small chroot environement

On Tuesday 28 Apr 2009, ebarde...@iris-group.it wrote:
 Hi, do you know how to create a small chroot environment for ltsp clients?
 I have created the default one with ltsp-build-client but the i386.img
 became 186 mb with xubuntu 9.04 and 150mb  with ubuntu 8.04.
 thank you!

You don't usually install a full desktop environment in the chroot, which is
I 
think what you are trying to do.  The client is only a means to an end 
(getting to LDM and thus to desktop environment on the server).

I think you're doing the fat client thing with ltsp, which isn't the norm,

although it will work I understand.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+


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Re: [Ltsp-discuss] ltsp works like citrix?

2009-04-29 Thread Ondrej Valousek
Chris Roberts wrote:
 Of course the other key difference is the lack of group policies for 
 controlling users.  I use kiosk-tool for kde (which is dreadful) and I 
 understand there is pessalus for gnome (about which I know nothing).

   
Yes, this is a pain - but I doubt Citrix metaframe server for Unix (yes, 
it exists despite the fact that most Citrix resellers know nothing about 
it) will implement something of it.
Hopefully Fedora 11 with its control groups support will provide answer 
to some of these questions...
Ondrej

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Re: [Ltsp-discuss] rdesktop lock ups

2009-04-29 Thread Chris Roberts
On Tuesday 28 Apr 2009, Chris Roberts wrote:
 Actually it is failing at 10-minutes not 20-minutes, and it is at the exact
 moment that the screen goes off.

I am not quite as sure about this as I was, it seems that sometimes it 
survives the screen blanking at 10 minutes, but if it does survive, it 
usually locks up at 20 minute.

From the client console I have run...

# xset -display :7 -q

... and this reports that blanking is done at 600 seconds with a 600 second 
cycle.  Then the DPMS settings are for standby at 1200, suspend at 1800 and 
off at 2400.  DPMS is enabled.  I have tried...

# xset -display :7 -dpms
# xset -display :7 -q

... which shows that dpms is now disabled.  But this doesn't disable the 
screen blanking, and the problem still occurs.  Sometimes at 10 minutes, 
sometimes at 20.  Or perhaps it's at 13 minutes or 18 minutes - it is 
impossible to audit this problem effectively.

So perhaps the issue is with the screen blanking?  I have tried setting the 
screen blanking to 100 seconds, which in theory should make the problem occur 
much more quickly.  And sure enough the terminal failed after a couple of 
blankings.

I now set the blanking to  seconds and with dpms switched off...

# xset -display :7 -dpms
# xset -display :7 s blank
# xset -display :7 s 

... by my reckoning this should to all intents and purposes stop the blanking 
and power management.  But it does seem counter-intuitive that the blanking 
could cause an issue of this type, unless this is a problem with xorg and 
rdesktop.

Sure enough no screen blanking, but the rdesktop session hangs after about 15 
minutes.

So this issue is nothing whatsoever to do with power management.  Has anyone 
else experienced random lock-ups with rdesktop?

Any suggestions for debugging this problem?

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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[Ltsp-discuss] R: ltsp works like citrix?

2009-04-29 Thread EBardelli
We use citrix (SP4), we are migrating to ltsp because the last ica client
(needed by new citrix version) does not work with W9X and without ltsp, that
provide boot from lan, we would have had to change 200 old pcs

Emanuele 


-Messaggio originale-
Da: Chris Roberts [mailto:c...@tridentgarages.co.uk] 
Inviato: mercoledì 29 aprile 2009 10.22
A: ltsp-discuss@lists.sourceforge.net
Oggetto: Re: [Ltsp-discuss] ltsp works like citrix?

On Wednesday 29 Apr 2009, Mohammed Riswan wrote:
 please answer my quesion if anybody knows, is ltsp is works like a citrix
 metaframe? can we create an individual sessions same like citrix for all
 the users?

We use metaframe and ltsp, so I should be able to answer.  Once the users
have 
logged in, it works just the same as metaframe, with each user have their
own 
user account and session. They log in/log out etc all pretty similar to 
metaframe.

There is no in-built method of shadowing users, but various open source 
applications may be installed to fulfill this need.  Users can be logged off

easily enough.

The key difference is that with metaframe you need to have a client
operating 
system.  Okay, you might buy dedicated thin clients, but they still have to 
have an operating system - even if it's only Windows CE.  You then connect 
from that client o/s to the metaframe server.

With LTSP, the LTSP server provides the client operating system at boot
time.  
Thus the client can literally be bare metal (I always disconnect the hard 
drives).  Thus with LTSP you only have to maintain the server, and the
single 
client operating system which resides in a chroot directory on the server.

The other key difference with metaframe, is that by default, LTSP won't work

across subnets, and in particular across low-bandwidth connections.  But we 
get around this by installing FreeNX on the server, and connecting from 
remote fat clients using NoMachine NX Client.

Hope that helps.
-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+


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Re: [Ltsp-discuss] R: small chroot environement

2009-04-29 Thread Chris Roberts
On Wednesday 29 Apr 2009, ebarde...@iris-group.it wrote:
 Following the installation manual I run ltsp-build-client and it create the
 chroot image automatically.
 There is another way? I miss to do something?
 I have to work inside this directory
 (/usr/share/ltsp/plugins/ltsp-build-client/Ubuntu) ?

No, providing you're not installing xubuntu or ubuntu in the chroot, you're 
fine - my misunderstanding.  Apologies.

I would read the following:

http://www.ltsp.org/~sbalneav/LTSPManual.html#theory-booting

In particular note that the client mounts the chroot over the network, using 
nbd for Ubuntu, nfs for Debian.  It is not being loaded into RAM.

On another tack, I understand that you can get better performance out of older 
clients by specifying:

LDM_DIRECTX  = True

in the lts.conf.  This does disable the encryption between ldm and the server, 
which may not be appropriate in your environment.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

--
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[Ltsp-discuss] R: R: small chroot environement

2009-04-29 Thread EBardelli
Ok...i'll try LDM_DIRECTX 
now i'm formatting my server with xubuntu 8.04 because I think that is a
little bit thin...

in lts.conf I have putted this parameters:

XSERVER=vesa
X_COLOR_DEPTH=16
X_MODE_0=1024X768
SOUND=False
NBD_SWAP=False
LOCALDEV=False
NETWORK_COMPRESSION=True

are correct for my environment?

 

Emanuele

-Messaggio originale-
Da: Chris Roberts [mailto:c...@tridentgarages.co.uk] 
Inviato: mercoledì 29 aprile 2009 12.08
A: ltsp-discuss@lists.sourceforge.net
Oggetto: Re: [Ltsp-discuss] R: small chroot environement

On Wednesday 29 Apr 2009, ebarde...@iris-group.it wrote:
 Following the installation manual I run ltsp-build-client and it create
the
 chroot image automatically.
 There is another way? I miss to do something?
 I have to work inside this directory
 (/usr/share/ltsp/plugins/ltsp-build-client/Ubuntu) ?

No, providing you're not installing xubuntu or ubuntu in the chroot, you're 
fine - my misunderstanding.  Apologies.

I would read the following:

http://www.ltsp.org/~sbalneav/LTSPManual.html#theory-booting

In particular note that the client mounts the chroot over the network, using

nbd for Ubuntu, nfs for Debian.  It is not being loaded into RAM.

On another tack, I understand that you can get better performance out of
older 
clients by specifying:

LDM_DIRECTX  = True

in the lts.conf.  This does disable the encryption between ldm and the
server, 
which may not be appropriate in your environment.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+


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Re: [Ltsp-discuss] R: R: small chroot environement

2009-04-29 Thread Chris Roberts
On Wednesday 29 Apr 2009, ebarde...@iris-group.it wrote:
 now i'm formatting my server with xubuntu 8.04 because I think that is a
 little bit thin...

 in lts.conf I have putted this parameters:


 XSERVER=vesa
 X_MODE_0=1024X768

Only if your client needs them, and if it does then it would be best to make 
them specific to the client, by putting it in it's own section later on in 
lts.conf, e.g.

[00:40:63:F6:95:70]
  XSERVER=vesa
  X_MODE_0=1024X768

Carrying on with your lts.conf...

 X_COLOR_DEPTH=16

Fine.

 SOUND=False

Your choice, I tend to specify SOUND=False in the [default] section, but 
SOUND=True for each of the mac addresses on which I want sound.

 NBD_SWAP=False

I've never used NBD_SWAP, but for low ram clients this seems 
counter-intuitive, I would have thought you would switch this ON rather than 
off.

 LOCALDEV=False

As per SOUND, I specify FALSE in the [default] section, and switch on as 
required for each client.

 NETWORK_COMPRESSION=True

Never seen this one before - anyone?

I like to structure my lts.conf file like this:

[default]
   X_COLOR_DEPTH= 16
   LOCALDEV = False
   SOUND= False

[monitor-dgm-l1931]
   X_MODE_0 = 1280x1024
   X_HORZSYNC   = 64-80
   X_VERTREFRESH= 60-65

[00:30:43:E6:94:50]
# Example PC
   LIKE = monitor-dgm-l1931
   SOUND= True
   LOCALDEV = True

The LIKE command is infinitely useful, and you can have multiple LIKE 
statements for each mac address, so you could have a LIKE statement for the 
monitor, base, sound, etc.  Helps to keep a neat lts.conf file.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Dan Maranville
Gotta love it that Long Term Support. Trust me it will not be the last
time you curse it. /rant

On Wed, Apr 29, 2009 at 03:23, Peter Stein peterstei...@googlemail.com wrote:

 Works just fine with Jaunty. Unfortunately no backports - yeah means
 certainly a lot of work.


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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Jordan Erickson
http://laserjock.wordpress.com/2008/08/07/sru-needs-you/

=)



Dan Maranville wrote:
 Gotta love it that Long Term Support. Trust me it will not be the last
 time you curse it. /rant

 On Wed, Apr 29, 2009 at 03:23, Peter Stein peterstei...@googlemail.com 
 wrote:
   
 Works just fine with Jaunty. Unfortunately no backports - yeah means
 certainly a lot of work.

 

 --
 Dan Maranville

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Re: [Ltsp-discuss] rdesktop lock ups

2009-04-29 Thread Chris Roberts
On Wednesday 29 Apr 2009, Chris Roberts wrote:
 So this issue is nothing whatsoever to do with power management.  Has
 anyone else experienced random lock-ups with rdesktop?

 Any suggestions for debugging this problem?

Bizarrely this issue turned out to be a routing problem, very occasionally the 
network was dropping packets, so that it would generally work fine for 10 or 
20 minutes, but equally could fail at any time.

It felt like a power management issue, because it always seemed to happen when 
the computer was idle and the screen was blanked.

Anyway, thanks to Gadi and ogra in #ltsp for their time helping me with this.

-- 
Chris Roberts

+--+--+
| Distribution | Debian Etch  |
| LTSP Version | 5.1.10-1~40  |
|  Windows Manager | KDE 3.5.5|
|   Kernel | 2.6.26-bpo.1-686 |
+--+--+
| Distribution | Debian Lenny |
| LTSP Version | 5.1.10-2 |
|  Windows Manager | KDE 3.5.10   |
|   Kernel | 2.6.26-2-686 |
+--+--+

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Re: [Ltsp-discuss] rdesktop lock ups

2009-04-29 Thread Job Cacka
So after reading through your thread I would ask if you found any
documentation on how the routing should be setup. Specifically a best
practice for LTSP environments. I have seen other problems with LTSP
performance because we do not use an internal DNS, and ended up creating a
large host file that we propagate to the Thin Client with a script and run
on the server. However, in my four years experience of running thin clients
I have never seen a network admin's guide to providing the proper foundation
of services. I think there are unique situations with the combination of
services that LTSP requires for educating admins before they get themselves
into trouble.

--
Job Cacka


-Original Message-
From: Chris Roberts [mailto:c...@tridentgarages.co.uk] 
Sent: Wednesday, April 29, 2009 10:10 AM
To: ltsp-discuss@lists.sourceforge.net
Subject: Re: [Ltsp-discuss] rdesktop lock ups

On Wednesday 29 Apr 2009, Chris Roberts wrote:
 So this issue is nothing whatsoever to do with power management.  Has
 anyone else experienced random lock-ups with rdesktop?

 Any suggestions for debugging this problem?

Bizarrely this issue turned out to be a routing problem, very occasionally
the 
network was dropping packets, so that it would generally work fine for 10 or

20 minutes, but equally could fail at any time.

It felt like a power management issue, because it always seemed to happen
when 
the computer was idle and the screen was blanked.

Anyway, thanks to Gadi and ogra in #ltsp for their time helping me with
this.

-- 
Chris Roberts





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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Scott Balneaves
On Wed, Apr 29, 2009 at 12:21:55PM -0400, Dan Maranville wrote:
 Gotta love it that Long Term Support. Trust me it will not be the last
 time you curse it. /rant

I'm really unsure as to why Ubuntu gets all this hate directed against them
because they don't backport new features from more current releases into older
ones.  As far as I know, LTSP current isn't being backported into either Fedora
3 or Debian Sarge.

LTS means they fix the security and crasher bugs for an extended period of
time.  Period.

Scott

-- 
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Systems Department | deeper than we ourselves possess.
Legal Aid Manitoba | -- Gandalf [J.R.R. Tolkien, Lord of the Rings]

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[Ltsp-discuss] Disable X dontzap

2009-04-29 Thread Alkis Georgopoulos
Just in case someone needs the same thing, to re-enable the Alt+Ctrl
+Backspace shortcut in Jaunty I created 
/opt/ltsp/i386/usr/share/ltsp/screen-session.d/XS96-disable-dontzap
with the following line as contents:
X_ARGS=$X_ARGS -retro

It would be nice to have an lts.conf option for that...
maybe X_DONTZAP=False ?

Regards,
Alkis


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Re: [Ltsp-discuss] Disable X dontzap

2009-04-29 Thread Jordan Erickson
Alkis, X_ARGS, IIRC, *is* an lts.conf option.



Alkis Georgopoulos wrote:
 Just in case someone needs the same thing, to re-enable the Alt+Ctrl
 +Backspace shortcut in Jaunty I created 
 /opt/ltsp/i386/usr/share/ltsp/screen-session.d/XS96-disable-dontzap
 with the following line as contents:
 X_ARGS=$X_ARGS -retro

 It would be nice to have an lts.conf option for that...
 maybe X_DONTZAP=False ?

 Regards,
 Alkis


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Re: [Ltsp-discuss] Single user account and pam mount

2009-04-29 Thread Vagrant Cascadian
On Tue, Apr 28, 2009 at 09:26:40PM +0200, Marius Flage wrote:
 Jordan Erickson wrote:
  I would propose a temporary user of sorts that pulls from the 
  skel/template you created, does a pam makehomedir or whatever it is, 
  and removes it upon logout. This way, you have separate user accounts 
  for each login, and changes can be wiped upon user logout.
 
 The immediate problem with this is how to keep control over the
 different usernames/passwords currently in use. Now it's easy just
 telling all students to use student/student to log in. If we have to
 inform them to use random usernames/passwords, then it'll quickly become
 a user administration nightmare. But maybe you meant some other way of
 creating the accounts..?
 
 It needs to be simple and predictable.

if you set LDM_GUESTLOGIN=True in lts.conf, there will be a button to click on
that will automatically login with the hostname of the thin client, which
should default user/password based on the ip address to ltsp20, ltsp21, ...
ltsp255 for most setups without DNS on the thin-client network.

a few related configuration options should be described here:

  http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspDocumentationUpstream

that doesn't handle account and homedir creation, but at least gives you a
simple and predictable user/passwd login. then you could experimental with some
sort of skeleton home dir for users. the problem of course, is if there is
user-specific data in the skeleton directory.

good luck!

live well,
  vagrant

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Re: [Ltsp-discuss] Disable X dontzap

2009-04-29 Thread Alkis Georgopoulos
Στις 29-04-2009, ημέρα Τετ, και ώρα 13:04 -0700, ο/η Jordan Erickson
έγραψε:
 Alkis, X_ARGS, IIRC, *is* an lts.conf option.

Yeah, Lns you made my day :)
X_ARGS=-retro in lts.conf works fine :)


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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Dan Maranville
 I'm really unsure as to why Ubuntu gets all this hate directed against them
 because they don't backport new features from more current releases into older
 ones.  As far as I know, LTSP current isn't being backported into either 
 Fedora
 3 or Debian Sarge.

 LTS means they fix the security and crasher bugs for an extended period of
 time.  Period.

 Scott


It is because they recommend you install the latest non-lts to see if
your problems are fixed. Period.


-- 
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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Jordan Erickson
...Or, as an alternative to installing the latest  greatest, you could 
actually help backport these features into LTS.

Community success requires community involvement. Period.


Cheers,
Jordan/Lns


Dan Maranville wrote:
 I'm really unsure as to why Ubuntu gets all this hate directed against them
 because they don't backport new features from more current releases into 
 older
 ones.  As far as I know, LTSP current isn't being backported into either 
 Fedora
 3 or Debian Sarge.

 LTS means they fix the security and crasher bugs for an extended period of
 time.  Period.

 Scott

 

 It is because they recommend you install the latest non-lts to see if
 your problems are fixed. Period.


   


-- 
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http://www.logicalnetworking.net
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[Ltsp-discuss] ltsp backports

2009-04-29 Thread Vagrant Cascadian
On Wed, Apr 29, 2009 at 02:05:50PM -0500, Scott Balneaves wrote:
 On Wed, Apr 29, 2009 at 12:21:55PM -0400, Dan Maranville wrote:
 I'm really unsure as to why Ubuntu gets all this hate directed against them
 because they don't backport new features from more current releases into older
 ones.  As far as I know, LTSP current isn't being backported into either 
 Fedora
 3 or Debian Sarge.

well, there haven't been any official Debian backports of LTSP, but i've
generally managed to maintain backports for the current Debian stable
release for most of, if not the whole cycle of of stable releases.

Since Debian Lenny (released in February), there's backported current
upstream versions for ldm and ltspfs, and ltsp itself is only missing a
few minor updates mostly not relevent to Debian.

i only stopped making backports for Debian Etch when the next release
(Lenny) went into freeze last summer.  similar story for Debian Sarge,
although most of the initial Debian LTSP5 implementation was actually
mostly tested on sarge, though a version was never included as part of
sarge.

that said, Debian's support cycles (approximately 3-4 years) are usually
a bit shorter than Ubuntu's LTS support cycles (3 for desktop, 5 for
server), usually much longer than the regular Ubuntu support cycles
(1.5 years).

Debian's release cycle has been about 2-3 years, while Ubuntu's LTS
release cycle seems to be about 1.5-2 years, and Ubuntu's regular
release cycle is usually 6 months. i don't know other distro
release/support cycles well enough to comment on those.

so the desires or needs for a backport may be a little different, as
different distros progress in different ways.

live well,
  vagrant

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Re: [Ltsp-discuss] ltsp backports

2009-04-29 Thread Jordan Erickson
Vagrant Cascadian wrote:
*snip*
 so the desires or needs for a backport may be a little different, as
 different distros progress in different ways.

   
And most definitely they are different as user/environment upgrade 
schedules are always different. For instance, I don't dare run Jaunty 
(or even Intrepid) at my (production) sites, simply because things 
change too much with them. The stability I value in Ubuntu LTS releases 
is the fact that things DON'T change much, and when they do, the changes 
have been tested extensively because of the work required for updates to 
be pushed to them. That value is of utmost importance to me. We can have 
localapps, whiz-bang compiz TC support, etc etc. when they have all 
stood up to the test of time. Till then, I'll run Jaunty on my own 
EEEpc, home desktop and all my family  friends' systems, report the 
bugs I find, and wait, hoping others will do the same. =) I'll also push 
and contribute for backports where I see necessary - but that's 
definitely not every new feature that comes out daily.

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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Dan Maranville
I am going to leave it with this:

I didn't speak of LTSP in any negative way, I was simply making a
statement about _MY_ experiences with the current LTS (bugs in this
instance). Some are related to LTSP but not always, most are problems
known about for greater than 1 year in mainline Ubuntu.  If my comment
about LTS releases offends you or pisses you off I don't know what to
say. But, I am not sorry for saying it.
If you want to continue this please feel free to email me directly and
keep the list a little cleaner.

-- 
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Re: [Ltsp-discuss] Single user account and pam mount

2009-04-29 Thread jam
On Wednesday 29 April 2009 15:53:20 ltsp-discuss-requ...@lists.sourceforge.net 
wrote:
  I would propose a temporary user of sorts that pulls from the
  skel/template you created, does a pam makehomedir or whatever it is,
  and removes it upon logout. This way, you have separate user accounts
  for each login, and changes can be wiped upon user logout.

 The immediate problem with this is how to keep control over the
 different usernames/passwords currently in use. Now it's easy just
 telling all students to use student/student to log in. If we have to
 inform them to use random usernames/passwords, then it'll quickly become
 a user administration nightmare. But maybe you meant some other way of
 creating the accounts..?

 It needs to be simple and predictable.

How about (and this is very easy to automate) every year or every term 
whatever

Remove all learn-users
Add a list that you create every period
eg list
jonny.c
susy.q
etc
what ever scheme you choose

Tag the comment field with #a tag
that helps you manage them

We do that for our customers. perl was a friend.
Admin overhead is creation of a unique list periodically (my plebs can use 
nano easily) and a Create-script and you want a Reset-script. Object achieved 
without drama. Read and heed Scott's message

Every user logs in as their name and with the password you choose in your 
scheme eg passwd per class per school whatever

James

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Re: [Ltsp-discuss] R: small chroot environement

2009-04-29 Thread jam
On Wednesday 29 April 2009 15:53:20 ltsp-discuss-requ...@lists.sourceforge.net 
wrote:
 The hardware of my clients is very poor : PII 200 mhz + 64 mb.
 They works quite well, but during my tests i saw that booting time and
 performances are proportionally at dimension of chroot image
 (/opt/ltsp/images/i386.img). I would try to create a small chroot image to
 see if the clients works better, or do you think that's useless?

 To do this on xubuntu 9.04 I did:

 ltsp-build-client (this create the default image of 186mb taking packages
 from jaunty repo (xubuntu 9.04)

 ltsp-build-client --base /opt/ltsp_hardy --arch i386 --dist hardy (this
 create a image of 165mb taking packages from hardy repo (xubuntu 8.04)

The image size won't affect the boot speed at all. Presumably you are using 
nbd, but even on the nfs versions you get what you need at-the-time, not 
everything-in-the-image

Again I assert that the size of the image (150, 250 whatever) affects you not 
one tiny bit.

James

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Re: [Ltsp-discuss] how to mount external hard drives? + log problem? - LTSP 5 on Ubuntu 8.04

2009-04-29 Thread Scott Balneaves
On Wed, Apr 29, 2009 at 05:22:22PM -0400, Dan Maranville wrote:

 It is because they recommend you install the latest non-lts to see if
 your problems are fixed. Period.

Well, that's a valid request to see if the issues been fixed in newer versions.

Either:
1) It DOES work in newer versions, and there's the possibility of someone
   backporting the fix if time/resources permit, or
2) It DOESN'T work in the new release, and then we know it's just a general
   problem.

Scott

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Systems Department | and that is laughter.
Legal Aid Manitoba | -- Mark Twain

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