IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 28 April 2014   (all times are UTC)

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15:30
<pat___>
Newbie here. I'm looking for documentation for installing new CA certificates across an LTSP system. Any help would be greatly appreciated.
15:39
<Hyperbyte>
CA certificates?
15:45
<pat___>
Sorry! Certificate Authority
15:45
I guess it's redundant
15:49
<Hyperbyte>
Pardon my ignorance, but I honestly don't know what that is.
15:50
I have to leave soon, but anyway...
15:50
LTSP is just Linux. So any howto that works for the Linux distro you're using, works for LTSP.
15:51
The client system is in /opt/ltsp/i386/ generally, for 32-bit clients
15:51
You can make your modifications there and then use ltsp-update-image to recreate the LTSP client image with the changes, if you're using NBD. If you're using NFS for the clients, you can even skip this step.
15:54
<pat___>
Thanks. I'll try putting the files in /opt/ltsp/i386/usr/share/ca-certificates/mozilla, then update the image. I just figured it couldn't be that easy.
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17:10
<Shaun__>
hello,can someone help me with an LTSP question?
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17:17
<Chap>
I have a breed of r8169 clients from DevonIT that seem to boot intermittently. I'm getting a nbd0 timeout. Anyone seen this before that can help troubleshoot?
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17:19
<Chap>
Stops after "setting up nbd-client ..."
17:41
I think nbd-server died. restarting nbd-server fixes.
17:42
Weird. :(
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20:19
<championofcyrodi>
anyone have insight on running developer IDEs with clients? I'm thinking they should run on the thin client, to avoid port conflicts.
20:20
*client image
20:25
most of the developers are using Idea IntelliJ
20:26
it seems to run find from the terminal server if installed in the user's home folder. all pid locks and logs are kept there
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20:28
<championofcyrodi>
I think i'll go with trying to run it from the client Image first, and make sure all data is kept in the user's home folder.
20:28
looking to use as much of the 8GB of RAM available in the Intel NUC core i3
20:29
<Zaphoid>
I've been using those NUCs as Fat Clients.
20:29
Use NBD for the root partition and sshfs for the home mount points. Everything that saves to the home mount points works fine, just if it needs to change something anything else but /home, it won't be preserved.
20:29
<championofcyrodi>
I'm looking at that as well... but a hybrid approach. as I would like compiling to happen on the 24 core server.
20:30
sounds good... thats what I was thinking, was curious if anyone else had tried it
20:30
<Zaphoid>
Yeah, I've not tried something like that, yet
20:30
<championofcyrodi>
i'll probably try to push using jenkins/hudson projects on a per developer level...
20:31
<Zaphoid>
We just have a separate build system
20:31
I've had enough issues with nbd that I've not gone too crazy with it.
20:32
<championofcyrodi>
yea. so do you run a "full" distro on the fat client?
20:32
<Zaphoid>
Yes, did the fat client build.
20:32
<championofcyrodi>
gotcha... currently I've just installed specific apps, like chrome and glxgears for testing
20:33
so i only have chrome running on the thin client, and everything else running on the terminal server. seems to be working well
20:33
chrome running on the fat client*
20:33
<Zaphoid>
Yeah, I'm in the opposite boat. My host is a 1GB Ram 1CPU VHost as the LTSP host, so I want everything running on the clients.
20:34
<championofcyrodi>
gotcha. that might be our approach at some point too. I'm just trying to break the ice for the team.
20:34
<Zaphoid>
Have you had any issues with nbd-server timing out?
20:34
<championofcyrodi>
the only issues i had was with the nbd server reporting the wrong device size.
20:35
I was running nbd server/client 2.9, and the /dev/nbd0 device was claiming random sizes in the petabyte range... which were clearly wrong since the ltsp server only had 1.2 TB
20:35
<Zaphoid>
Interesting
20:35
What is the server OS?
20:35
<championofcyrodi>
i updated to 3.7 and all was good
20:35
ubuntu 12.04.4
20:36
<Zaphoid>
That's what I'm running.
20:36
Wondering if I just need to upgrade to 3.7 to get by my issues.
20:36
<championofcyrodi>
i updated nbd-server package on the server side, then nbd-client using chroot /opt/ltsp/*
20:37
<Zaphoid>
Were you able to find a package for that, or did you build yourself?
20:38
<championofcyrodi>
got the package from a debian site...
20:38
https://github.com/yoe/nbd/blob/master/nbd-client.c
20:38
that is where i found that the code on line 312 was modded in version 3.3
20:38
which fixed my problem
20:39
got the packages from http://pkgs.org/download/nbd-server
20:39
and http://pkgs.org/download/nbd-client
20:39
for the Ubuntu 14.04 release
20:40
<Zaphoid>
Interesting. Were you seeing that error, or something else?
20:40
<championofcyrodi>
i was seeing that error on line 312
20:40
with the frowning face
20:40
<Zaphoid>
ok
20:40
<championofcyrodi>
but everytime i bounced the thin client, the size reported was different
20:40
so i knew it was a bug
20:41
since the image size shouldnt change unless its rebuild
20:41
<Zaphoid>
Interesting. I"m not seeing that at all, so mine is different.
20:41
But probably wouldn't hurt to upgrade, anyway.
20:42
<championofcyrodi>
i would see if you can find your error message in the client... then look through the revisions on github to see if the code was updated... i'm sure it has been since the ubuntu 12.04.4 packaged nbd 2.7 release
20:43
<Zaphoid>
Couldn't find anything obvious when I was looking through things, especially since my error is fairly random
20:44
<championofcyrodi>
thanks for your feedback. I'll push to run intelliJ on the fat client with the network mounted home folder, seems like the best approach for performance.
20:45
x number of intelliJ instances on the server side seems like a waste of resources anyway
20:45
<Zaphoid>
Depends what you are doing. Building is a bit different.
20:45
The i3 NUCs aren't exactly compiling beasts.
20:46
<championofcyrodi>
yea. i still think using a build server would be best
20:48
I'm going to try NUC -> Build Server -> Dev/Test Server (tomcat, etc.)
20:48
at the least it will enforce testing on the target platform, instead of local web server instances with out of sync configs
20:49
<Zaphoid>
That is usually a better bet, anyway. Same is good and all that
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