Re: XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread Sascha Silbe
Excerpts from James Cameron's message of Mon Aug 23 03:51:03 +0200 2010:

 http://wiki.laptop.org/go/Xophoto
Thanks for the link! Unfortunately it doesn't even start up for me. [1]

Sascha

[1] https://bugs.sugarlabs.org/ticket/2227
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Default unlock key ring (Fedora 11 + Gnome 2.26.3 + Apps)

2010-08-23 Thread Hernan Pachas
Dear friends,

How I can unlock the default ring keys.

I need never ask the system keys, because End users are children.

It should be noted that the system runs on the XO laptop, the program
OLPC.

Your help will be very important for the deployment of  500k laptops OLPC.

Operating system Fedora + Gnome  + App

---Hernan
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Re: [Server-devel] Looking for additional hands on XS

2010-08-23 Thread Martin Langhoff
On Thu, Aug 19, 2010 at 3:49 PM, Martin Langhoff
martin.langh...@gmail.com wrote:
 http://www.laptop.org/en/utility/people/opportunities.shtml

We've had an amazing level (and respectable number) of applicants to
this! Thanks for all the interest.

Right now I am swamped with some urgencies; will coordinate a review
and response.

There are other positions too... kernel hackers, distro/build
wranglers, GUI designers...

cheers,



m
-- 
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 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [support-gang] XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread Mike Lee
Hi George,

I'm really excited about the release of this version of XoPhoto. The timing
is really great because I have been meeting with a local (to Washington,
D.C.) nature photographer who is adept at getting grants to deliver digital
photography experiences to at-risk youths. I will be setting up another
meeting with her to demo the activity. We still have around 20 XO-1 laptops
in our lending library that would be great to use in an outdoor photo
exercise with kids.

Mike

On Sun, Aug 22, 2010 at 1:29 PM, George Hunt georgejh...@gmail.com wrote:

 Hi everyone,

 I've been working pretty regularly since April on an application to
 manipulate images found in the journal.  Probably the best description is at
 http://georgejhunt.com/olpc/xophoto/xophoto.html.

 I'd appreciate help in identifying and correcting my oversights, bugs,
 kludges. . .

 I believe that XoPhoto runs on Build 802 and Build 850.  There are some api
 problems with the pygame that comes with builds before 802 that I have not
 yet resolved.

 Feedback warmly solicited, and appreciated,

 Thanks

 George



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Re: XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread DancesWithCars
I took a brief look at it on a fedora 64 sugar emulator
(luckily it doesn't have a camera hardware dependency 8-)

CPU utilization fairly high on it for a while, iirc
and may have crashed sugar, will see if
indeed it does it again, to bug report somehow.

Glad to have another activity, even if in alpha/
beta.

Keep up the good work guys  gals



On Mon, Aug 23, 2010 at 8:43 AM, Sascha Silbe
sascha-ml-reply-to-201...@silbe.org wrote:
 Excerpts from James Cameron's message of Mon Aug 23 03:51:03 +0200 2010:

 http://wiki.laptop.org/go/Xophoto
 Thanks for the link! Unfortunately it doesn't even start up for me. [1]

 Sascha

 [1] https://bugs.sugarlabs.org/ticket/2227
 --
 http://sascha.silbe.org/
 http://www.infra-silbe.de/

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Re: Re: XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread forster
  http://wiki.laptop.org/go/Xophoto
Runs OK on XO1 OS373pyg
Unfortunately it saves 11 photos to the journal every time it starts. There is 
no way to easily delete multiple journal items. Suggest that it only saves 
these photos on the first start and maybe only 4 photos.
Tony

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Re: Re: Re: XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread George Hunt
Hi Tony and all,

This is the way I think XoPhoto works, and does for me on build 850 1.5.

When XoPhoto loads, it checks for at least 10 images, (mime_type
.png,.jpg,.tif). If there're not enough to play around with, load 11. If
there are more than 10, don't load the journal with anything, just create
the thumbnails, and store them away in sqlite database. The storing in the
journal takes time, and the thumbnail generation does also.  Thereafter, at
startup, look for recent images, stop when datastore find returns one you've
already seen (assumes most recent first, which is, I think, the design).

So your observation is interesting.  I haven't experienced multiple copies
of the test images in the journal. I think I would have noticed that,
because I've been working so hard on latency, I've been paying pretty close
attention to delay. I also looked back in my journal, to make sure I wasn't
missing something. But I don't want to discount the possibility that os373
is different.

The journal images can be deleted pretty easily, when the user is done with
the (currently non-existent) tutorial  -- just drag the images to the trash,
and then empty the trash.

Thanks for your help,

George

On Mon, Aug 23, 2010 at 8:40 PM, Adam Holt h...@laptop.org wrote:

  Saw this right? :)


   Subject: Re: Re: XoPhoto needs a few intrepid testing volunteers.  Date:
 Tue, 24 Aug 2010 10:38:52 +1000  From: fors...@ozonline.com.au  To:
 devel@lists.laptop.org

   http://wiki.laptop.org/go/Xophoto
 Runs OK on XO1 OS373pyg
 Unfortunately it saves 11 photos to the journal every time it starts. There 
 is no way to easily delete multiple journal items. Suggest that it only saves 
 these photos on the first start and maybe only 4 photos.
 Tony

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DHCP option 119

2010-08-23 Thread Sridhar Dhanapalan
We are working with a department of education that is using
Windows-based domain and DHCP servers. They want to know if the XOs
support DHCP option 119, so that they can accept correct domain
information for name resolution, etc.

Does anybody have any information on this?

Thanks



Sridhar Dhanapalan
Technical Manager
One Laptop per Child (OLPC) Australia
p: +61 425 239 701
w: http://laptop.org.au
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Re: DHCP option 119

2010-08-23 Thread Chris Ball
Hi,

We are working with a department of education that is using
Windows-based domain and DHCP servers. They want to know if the
XOs support DHCP option 119, so that they can accept correct
domain information for name resolution, etc.

Does anybody have any information on this?

Yes, I'd expect it to work.  You/they should try it out.

- Chris.
-- 
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One Laptop Per Child
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Re: Re: Re: Re: XoPhoto needs a few intrepid testing volunteers.

2010-08-23 Thread forster
Thanks
 When XoPhoto loads, it checks for at least 10 images, (mime_type
 .png,.jpg,.tif). If there're not enough to play around with, load 11. 

This I expect is what happened, I had 2 of my own images, it installed 11 more, 
I deleted 4, ran it again and it installed 11 more.


 The journal images can be deleted pretty easily, when the user is done with
 the (currently non-existent) tutorial  -- just drag the images to the trash,
 and then empty the trash.

There is no trash in Sugar, its a dropdown menu in Journal to delete.

Tony
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Re: DHCP option 119

2010-08-23 Thread Hal Murray

srid...@laptop.org.au said:
 We are working with a department of education that is using Windows-based
 domain and DHCP servers. They want to know if the XOs support DHCP option
 119, so that they can accept correct domain information for name resolution,
 etc.

 Does anybody have any information on this? 

[mur...@xo-02-33-ff ~]$ more /etc/resolv.conf 
# Generated by NetworkManager
domain megapathdsl.net
search megapathdsl.net
nameserver 66.80.130.23
nameserver 66.80.131.5
[mur...@xo-02-33-ff ~]$ host www
www.megapathdsl.net is an alias for users.megapathdsl.net.
users.megapathdsl.net is an alias for users.megapath.net.
users.megapath.net has address 66.80.60.21
[mur...@xo-02-33-ff ~]$ 

That's what I expect via DHCP from my local DSL modem so it looks like the XO 
is doing the right thing.  (I didn't verify the packets on the wire/air to 
verify that it's using option 119.)

You will have to try it to verify that it works with your setup.



-- 
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Re: DHCP option 119

2010-08-23 Thread James Cameron
Summary: the option is supported, but not requested by the DHCP client
in the current builds.  The search value is set to the domain name.

Tested using os852 on XO-1.  The result will be the same on XO-1.5.

1.  the DHCP Request emitted by the XO does not contain a domain-search
(119) request, therefore not unexpectedly there will be no reply that
will contain it, and no use of the data, (method to test was to capture
packet stream with tcpdump and analyse with wireshark),

2.  a manual request for the purpose of testing can be formed by turning
off Network Manager, and using dhclient -R domain-search eth0, and
this correctly includes the domain-search (119) item in the DHCP
Request, but as my DHCP server does not provide this item there was no
response to the option,

3.  there will likely be some method by which Network Manager can be
directed to pass -R domain-search or an equivalent to dhclient via the
-cf option, but offhand I don't know what it is,

4.  /sbin/dhclient-script does contain logic for handling the
domain-search (119) reply, so if an XO is configured to request it we
know the reply should be handled, and the /etc/resolv.conf file properly
updated,

5.  in the absence of domain-search (119), the search tag in
/etc/resolv.conf is set to the domain-name option value if any.

6.  a deployment customised build could potentially be produced that
implemented domain-search support.

The domain-search option to DHCP is defined in RFC 3397.

(Opinion: it seems to be a crutch for badly designed namespaces or
failure to use reasonable alias names.  A large search list can have a
huge impact on clients and a network, since queries may be repeated
until satisfied.  I recommend against using it in a deployment of XOs,
due to the potential for increased DNS requests helping to saturate the
radio environment.)

-- 
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http://quozl.linux.org.au/
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[Server-devel] Mass OLPC XO chargers

2010-08-23 Thread ganesh gajre
Hello,

We are here in India implementing OLPC at village in Khairat, Near Mumbai a
small village and  Merces,GOA. Lot of problem of electricity and also XO
chargers, plugin points are less and all.
So finally we get a small hack to solve this problem.
I would like share  a blog written by my team mate Amit Dhakulakar for 
MASS OLPC  Chargers .

http://me-damitr.blogspot.com/2010/08/mass-charger-for-olpc.html


Please share your views for the same.

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Be a FOSSERS, use GNU/Linux
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Re: [Server-devel] Mass OLPC XO chargers

2010-08-23 Thread James Cameron
Is effective.  Same idea was mentioned earlier this year.

Looking at the photographs, a modification I suggest is an inch of
heatshrink tubing over the black and red cables as they exit the DC
plug.  This is so that the stress is distributed and the connection
lasts longer.

Another suggestion: four self-adhesive rubber feet on the metal box.
Would help to avoid scratching plastic chairs, would raise the box for
better cooling.

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http://quozl.linux.org.au/
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Re: [Server-devel] [PATCH] Use LSB functions for initscript

2010-08-23 Thread Bernie Innocenti
El Mon, 23-08-2010 a las 15:09 -0500, Jerry Vonau escribió:

 Be careful with that one, check the Requires of redhat-lsb first, there
 are lots of rpms that will get pulled in because of it. 

Indeed :-(

I've always been looking for a good cross-distro replacement for
start-daemon. The LSB init-functions are really a half baked solution
that doesn't even include a portable way to print OK/FAIL after starting
something.

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Re: [Server-devel] [Tecnologia] Schoolserver development in Uruguay

2010-08-23 Thread Bernie Innocenti
El Thu, 19-08-2010 a las 22:02 -0600, Daniel Drake escribió:
  Actually, no cleanup was being done on that particular schoolserver.
 
 Are you sure?

Yes, and now I know why:

[r...@schoolserver ~]# /usr/bin/ds-cleanup.sh
Traceback (most recent call last):
  File /usr/bin/ds-cleanup.py, line 42, in module
import syck
ImportError: No module named syck


The package is also missing on our xs 0.6. It's simply a missing
dependency in ds-backup-server, but it broke all schoolservers
worldwide ;-)

After installing syck-python, ds-cleanup.py still doesn't seem to do
anything. I'll figure out why another day, now it's 2am again.


 There's more than that. It's a tool that makes you really think
 through the changes that your making. It helps you centralize
 everything. It also results in a configuration that results in the
 ability to upgrade from any point in time to the latest version. It
 would be less error prone in many ways.

That's true. The problem with this sort of tools is that it's very hard
to diagnose what went wrong.

On a puppetized machine, a rule containing rpm -i package;
do_something failed after the first command for some obscure reason.
Then, the first command would also keep failing because the package was
already installed.

This time we could blame it on the incautious rule author who forgot
--force, but you see what I mean: error paths become complex with
puppet because the flow control is non-linear (like in make) and rule
execution happens asynchronously and in thebackground (even more obscure
than make).


 And if you have a mix of offline and online servers, its a no-brainer.
 The puppet benefits (vs shell script) for connected servers are very
 significant. And if you can just take a few easy steps to share the
 configuration with your offline servers, you save a lot of time.

That is true. OTOH, one could also share a script to be executed off a
USB stick or over the net with Puppet.

As ugly as it may sound, humans would probably find it easier to
maintain linear code that could be debugged interactively from the
command line, independently of an asynchronous client/server system
based on interdependent rules. [takes breath]

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 \X/  Sugar Labs   - http://sugarlabs.org/

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