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


Channel log from 11 April 2010   (all times are UTC)

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03:50
<asmok>
Hello, it's been a while ;-)
03:51
About LTSP-Cluster: is it possible to use two nics in every server or should there be only one in every server?
03:54
I have now two nics. My root server is 10.04 Beta 2. TC boots just fine, but I got troubles with 'ltsp-cluster-control/Admin/admin.php' page. It is just empty in browser.
03:55
Log from ltsp-cluster-lbserver: Start NodesMonitor...
03:55
Start MGMT Service...
03:55
Start HTTP Server...
03:55
Cannot retrieve node 'cluster01', error:<class 'socket.error'>
03:56
I just try to follow my own howto, which is for one nic in every server :)
03:57
I know, it is another lazy sunday afternoon, but I hang around...:) PG's new album is just great :)
04:03
See this image: is there something wrong? http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/ltsp-cluster_01.jpg
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04:13
<asmok>
Here are some of the basic conf files:
04:13
http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/etc/interfaces
04:13
http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/etc/dhcpd.conf
04:13
http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/etc/lbsconfig.xml
04:16
http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Lucid-ltsp-cluster/etc/ltsp-cluster-control.config.txt
04:17
Well, you know this LTSP-Cluster thing is little bit hard to do because of lack of good documentation...
04:21
And yes, in that image root server's eth0 is '192.168.1.102', I do use now '192.168.1.210' - TC boots just fine.
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04:48
<asmok>
Well, ltsp-cluster-accountmanager just crash, I send bug raport via apport 8-)
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04:49
<asmok>
Bug raport is here:
04:50
https://bugs.launchpad.net/ubuntu/+source/ltsp-cluster-accountmanager/+bug/514814
04:50
I'll be back later... bye
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09:52
<markit>
hi, I want to update the chroot, but I'm confused by the command sequence. In LTSPManual.pdf I've read that "export LTSP_HANDLE_DAEMONS=false" is done AFTER being in chroot, while in https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot is done BEFORE. What is correct?
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10:06
<markit>
well, don't answer it all together ;)
10:07
maybe many of you are from timezones where is very early morning now
10:07
<emence>
Anyone have a problem with a "No root Device Found. Sleeping forever" bootup error on a HP t5545
10:07
its booting PXE boot
10:07
it finds the pxe image, and starts to load then dies
10:08
<markit>
emence: I've not such a thin client. Does it work fine with a different one? I mean, is your ltsp server correctly configured for sure?
10:08
<emence>
markit: thats the million dollar question. I think it is
10:08
<markit>
emence: if you are good with wireshark, you can look at what's looking for
10:08
<emence>
im downloading the actual k2 linux live server for a USB boot and gonna try it out with that one
10:09
wireshark.. lemme tr that
10:09
<markit>
usually is a tftp misconfiguration
10:09
so it's pointing to the wrong path
10:10
or NFS not configured (if you are in debian), or something like that (don't know about THAT precise error message)
10:14
btw the answer of my question seems, thanks to grep in /etc/, that is something that has to be set in chroot
10:15
since is checked there... or chroot inherites the environment variables of the "host"?
10:15
<emence>
hmm
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11:08
<asmok>
Hello again
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11:09
<asmok>
LTSP-Cluster admin page is empty. But there is this kind of line in Apahce2 logs.
11:09
[Sun Apr 11 18:56:10 2010] [error] [client 192.168.1.210] PHP Parse error: syntax error, unexpected '(', expecting T_STRING in /usr/share/ltsp-cluster-control/Admin/index.php on line 62
11:11
I have been very careful when editing config file:
11:11
http://www.mail-archive.com/edubuntu-devel@lists.ubuntu.com/msg02964.html
11:19
<johnny>
asmok, what's between line 62 and 64 ?
11:19
err
11:19
61 and 63
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11:27
<asmok>
wait a minute
11:29
I think:
11:29
goTo('admin.php');
11:29
<johnny>
print all 3 lines..
11:30
<asmok>
}
11:30
goTo('admin.php');
11:30
die(getMessage('good_login'));
11:31
<johnny>
ok.. 60..
11:31
unless it's a blank line
11:31
then 59
11:31
<markit>
I've a 19" lcd monitor. I've Kubuntu 10.04 with ltsp. Thin clients set it to 800x600, instead of 1280x1024. Is it possible that ltsp xorg monitor detection is different than the "normal" kubuntu 10.04?
11:31
<asmok>
I upload whole file for you, wait a minute
11:31
<johnny>
asmok, paste it to a pastebin
11:31
codepad is a good choice for php
11:32
markit, it's probably related to the monitor
11:32
it shouldn't be different tho
11:32
markit, see if you can manually change it via the kde tools
11:32
if it sticks, then you can work around the problem
11:33
via passing some options @lts.conf
11:33
markit, did you try this monitor on a non ltsp client?
11:33
<asmok>
here: http://codepad.org/qHK1CrmE
11:34
<johnny>
it might be be related to ltsp at all, but your monitor being sucky and not telling x your edid info
11:34
not be*
11:34
<markit>
johnny: the same monitor is connected to the server (vga) and works fine, and to the client (DVI) and is set to 800x600
11:35
(I'm just testing ltsp with a server and a client)
11:35
<johnny>
those are 2 different variables
11:35
dvi vs vga
11:35
<markit>
if I boot the client with it's own Kubuntu (but is 9.10) works fine too
11:35
<johnny>
markit, ok.. that's valuable :)
11:35
<markit>
lol
11:35
<johnny>
some folks know how to work around that
11:35
i don't
11:35
<markit>
johnny: I know you can pass the resolution parameter and stick with MAC address, but I'm really surprised
11:35
<johnny>
it shouldn't be different in this case
11:36
<markit>
and it makes me frigtened...
11:36
<johnny>
it used to be
11:36
frightened?
11:36
that's a bit over the top huh
11:36
<markit>
I mean, I can test monitors with a kubuntu live with a pc
11:36
<johnny>
asmok, looks fine to me.. file a bug
11:36
<markit>
but I'm not sure it will work fine once I will use that pc as a client
11:36
<johnny>
well. that's the way it goes sometimes
11:36
<markit>
should not, if xorg is the same
11:37
<johnny>
except we do magic
11:37
we have to work around override some things in the startup scripts
11:37
and sometimes things get clobbered
11:37
you don't have CONFIGURE_X in lts.conf or anything like that do you?
11:38
because that would definitely override it
11:38
<asmok>
johnny, I'll do that, thank you and bye
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11:41
<markit>
funny, the new atom based client has problems, while the old athlon 1000 works like a charm with that monitor
11:41
johnny: I've barebone installation, don't think there is a lts.conf at all! :)
11:44
btw, I've a school with 3 classes (one per year) with 16-20 students
11:44
I want to create users like "student_01... student_99"
11:44
with a random password
11:45
and give the list to the teachers
11:45
is a good aproach?
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11:59
<markit>
mm moving and updating windows is not that fast, sigh
11:59
<johnny>
sure..
11:59
markit, turn on LDM_DIRECTX
11:59
<markit>
johnny: any script that can do it automatically? should be a common ltsp problem
11:59
<johnny>
in lts.conf
12:00
others can answer that
12:00
i only have 3 users
12:00
try back when more people are here
12:00
LDM_DIRECTX doesn't encrypt the X session
12:00
so it should be faster
12:00
<markit>
mmm I think is slow because of the old video board
12:00
the switch is gbit, the client nic 100mbs
12:01
<johnny>
LDM_DIRECTX will make things much faster in any case
12:01
<markit>
athlon 100 should be enough
12:01
correct
12:01
and encryption is useless in this case
12:01
(the switch and lan is dedicated to clients)
12:01
in any case, good suggestion, thanks
12:01
let me try :)
12:09
rebooting the client...
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12:14
<markit>
mm seems faster but not much, maybe I'd better check the traffic to be sure is working
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12:15
<markit>
ok, seems a ton of traffic outside port 22, good
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12:23
<markit>
johnny: are you an expert in updating chroot? I've a dubt about the unmount sequence
12:23
before or after ltsp-update-kernels ?
12:23
(or if anyone else knowns the answer)
12:24
upstream says before, https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot after
12:25
ubuntu should try to use the same sequence, if is not a issue, just for uniformity
12:25
newbie users like me become very confused
12:26
<alkisg>
markit: that ubuntu wiki page is wrong, if you have the time do correct it
12:26
export VAR=VALUE followed by sudo chroot => the VAR is not set inside the chroot
12:29
...and the script at the bottom of the page is also wrong
12:32
pmatulis: ^^^ - for the script, an easy way to do it is: `sudo LTSP_HANDLE_DAEMONS=false chroot /opt/ltsp/i386 apt-get dist-upgrade`
12:34
<johnny>
alkisg, perhaps we need some wrapper script for this
12:35
btw.. this is why i think packagekit is important :)
12:35* alkisg has one in sch-scripts...
12:35
<alkisg>
"ltsp-enter-chroot"
12:36
<johnny>
but you shouldn't need to enter the chroot just to one one command
12:40
<alkisg>
It's in a GUI menu, so it doesn't make a difference if it is for one or more commands...
12:40
<markit>
alkisg: ehm, I would love to fix the wiki, but since I'm not an expert, I fear do more harm than good
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12:41
<alkisg>
markit: I meant to put there what's in the upstream docs...
12:42
<markit>
ok
12:42
<alkisg>
Anyway /me goes back to trying to learn about python packaging :(
12:42
<markit>
alkisg: why you say variable is not set inside the chroot?
12:43
mmm I'll try later
12:43
<alkisg>
markit: `sudo` does not inherit the environment
12:43
VAR=value sudo env | grep VAR ==> nothing
12:44
But, sudo VAR=value env | grep VAR ==> the VAR is there
12:44
<markit>
I see, thanks
12:44
<alkisg>
np
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12:47
<markit>
mmm wiki, login -> HTTPFetchingError
12:48
well, login -> Sign in to Ubuntu Community Help Wiki -> HTTPFetchingError
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