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


Channel log from 6 November 2009   (all times are UTC)

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06:54
<Silveira_Neto>
Hi guys. I'm using Ubuntu 9.04 Alternate as a LTSP Server. The install was very easy and we have a working lab of thinclients. But with regular machines like laptops that will not use ltsp, the DHCP is offering corrects IPs but they are not acessing Internet. Any clue?
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06:59
<scottmaccal>
Morning all. TGIF
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07:04
<scottmaccal>
squarepeg!
07:04
<squarepeg>
scottmaccal, success?
07:05
<scottmaccal>
no :-(
07:05
you?
07:05
<squarepeg>
how far did you get/
07:06
<scottmaccal>
not far
07:07
<IHS_Volunteer>
Silveira_Neto, it's not set up as a router. it doesn't forward/share the network between the NICs
07:08
Today could be problematic. My cellphone, though plugged in all night, didn't charge. So it's completely dead.
07:08
<squarepeg>
if you run wireshark on the server as it boots you will prob see the dhcp piece..i will pastebot the dhcpd.conf that works..but exactly why i am not sure..
07:09
i havnt commented out to see what needs to be global and what should be in the specific stanza for the particular client
07:11
scottmaccal, for me the initrd loads to packet 12289 and then barfs
07:16
<ltsppbot>
"cliebow" pasted "for scott" (56 lines) at http://pastebot.ltsp.org/5
07:20
<Silveira_Neto>
IHS_Volunteer, so I can configure it to foward/share Internet? iptables?
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08:56
<sbalneav>
Morning all
08:56
<alkisg>
!s
08:56
<ltspbot>
alkisg: "s" is Scotty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
08:56
<sbalneav>
heh
08:57
I think !s is the most used part of ltspbot
08:57
<alkisg>
It's much shorter than "good morning" ;)
08:57
<sbalneav>
ogra: You about my friend?
09:05
<rjune>
alkisg, we like scotty
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09:06
<rjune>
!g
09:06
<ltspbot>
rjune: "g" is Gadi!!!!!!!!!!!!!!!!!!!!!!!!
09:06
<Gadi>
morning
09:06
<alkisg>
rjune: don't worry it shows :) You're all a really nice company here :)
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09:09
<sbalneav>
So, after a marathon session last night.... I've got the beginnings of a sabayon docbook manual.
09:09
I have to re-screencap all the windows, since they've changed.
09:10
but... I'm well on the way to getting Sabayon documented.
09:11
<Appiah>
oh
09:11
it's not documented? I was planing on reading docs and learn soon
09:14
<rjune>
sbalneav, you sir, are a pimp
09:15
we bow before your greatness.
09:17
<sbalneav>
Appiah: Well there's some documentation out there.
09:17
It was written back when the app was at Version 0.18
09:17
<Appiah>
I see
09:17
<sbalneav>
We're now on 2.29
09:17
<Appiah>
:D
09:17
<sbalneav>
Sooooooooooo
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09:18
<Appiah>
well I'll test and throw feedback at you
09:18
and do what I can to contrib
09:19
<sbalneav>
Once I get the docs integrated into the help system, I'll probably cut a fresh package for my ppa
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09:23
<Appiah>
sounds great!
09:25
<rjune>
sbalneav, how does sabayon handle network setups?
09:25
<sbalneav>
So, I've got a machine here. User upgraded from Jaunty to Karmic. Machine boots fine to login box. No one can log in.
09:25
<rjune>
LDAP?
09:25
<sbalneav>
Not even at the console login
09:25
no, standalone machine. Home user.
09:25
So, boot into recovery protocol
09:26
sorry, shell
09:26
<rjune>
heh
09:26
<sbalneav>
apt-* seems to work, EVERYthing seems to work, except pam
09:26
<rjune>
want me to take a peek at the pam files for reference?
09:26
<sbalneav>
doing any pam operation results in a segfault
09:26
<rjune>
oh, snap.
09:26
<sbalneav>
they're fine.
09:27
so, run a passwd , get a segfault
09:27
<rjune>
apt-fix-whatever-you-screwed-up-you-damn-computer work?
09:27
how about getent passwd ?
09:27
<sbalneav>
ltrace reveals it's dying in pam_start
09:27
haven't tried that yet.
09:27
<rjune>
that should be nsswitch
09:27
<sbalneav>
So, I'm wondering if I've got a bad package somewhere.
09:27
is there a way in apt to reinstall EVERYTHING?
09:28
I know you can do apt-get --reinstall install <foo>
09:28
but there's a lot of <foo>
09:28
I just want to say, "look, sit off in a corner for an hour or to, and re-install every package"
09:29
<rjune>
want a script to do it?
09:29
<sbalneav>
like ap-get --reinstall upgrade
09:29
<rjune>
dpkg -l | cut -f 3 -d ' ' should get you a package list.
09:29
<sbalneav>
that's what I was thinking
09:29
just wondered if there was a more elegant way :)
09:29
<rjune>
feed that into a script that reads stdin and does apt-get --reinstall install <foo>
09:29
bah, this is LTSP, we don't do things elegantly.
09:29
<sbalneav>
Well, we TRY
09:30
ok, that's what I suspected.
09:30
<rjune>
that's a problem where I don't think there is an elegant solution.
09:30
<sbalneav>
Message received and understood.
09:30
<rjune>
the ugly may be hidden from you... but I suspect it's still there.
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09:33
<coordinador>
Hi i have a weird problem, one of the users full the hd with ~/dev/fd/3/fd/3/fd/3... directories , the users are totally newbies, i think it is related with localapps or some.. or with playing sound... actually i dont know
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09:34
<coordinador>
inside the dirs there's files like pts, snd, dri, shm, net, char, .initramfs, etc...
09:35
the user havent any special permission
09:36
<rjune>
that sounds like dev is being copied to theat directory
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09:38
<sbalneav>
Wasn't there some bug that stgraber fixed relating to spaces in the username?
09:38
that resulted in filled hard drives?
09:38
<coordinador>
is the first time it happen and is the only user that have that dir dev in their home
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09:38
<coordinador>
humm
09:39
i use ubuntu 9.04
09:39
and ltsp5
09:40
sbalneav, in which situation it happen? so i can prevent it
09:40
<stgraber>
coordinador: <space>username
09:41
that'll work for the connection but will copy all of the thin client root in the user's home directory
09:41
(starting by bin, dev and etc)
09:41
dev containing a few symlink loops, it can take an infinite amount of disk space
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09:42
<sbalneav>
stgraber: yeah, thought so. Did you fix this in your ppa?
09:42
<coordinador>
you say that if i write my username like that, i will login successfully but it will copy the root dir?
09:42
wow
09:42
<stgraber>
sbalneav: yep
09:42
<coordinador>
ill try :P
09:42
<sbalneav>
maybe coordinador just needs to update using your packages.
09:43
<coordinador>
they are safe to use it or not yet?
09:43
<stgraber>
that's what I deploy in production, it's basically karmic's ltsp but on jaunty
09:44
<coordinador>
oh god is true, i have bin and boot dirs too, didnt copy the rest because the system cannot copy beyond dev
09:44
<stgraber>
I always maintain a backport for the current stable release so I can have more testers
09:44
<coordinador>
humm
09:44
<stgraber>
now that Karmic is released, I'll backport lucid to karmic
09:44
<coordinador>
nice
09:44
<stgraber>
and my packages for jaunty won't change other than critical bug fixes
09:45
<Appiah>
umm
09:45
is that a bug in ldm?
09:46
<coordinador>
oh my god the hd is filling up
09:46
lulz
09:46
<Appiah>
O_o
09:46
<coordinador>
ok , confirmed :)
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09:49
<sbalneav>
Off for a doctor's appointment :(
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10:09
<coordinador>
sbalneav, how can i update to karmic ltsp, using jaunty?
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10:16
<coordinador>
Hi, im running firefox locally but when i want to save someting i cannot see the real / filesystem to save the file, only the chroot filesystem i think.
10:16
what can i do?
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10:25
<coordinador>
anybody?
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10:35
<coordinador>
there is a solution for that?
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10:50
<coordinador>
hello?
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11:05
<coordinador>
**Hi, im running firefox locally but when i want to save someting i cannot see the real / filesystem to save the file, only the chroot filesystem i think. What can I do?
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11:12
<johnny>
coordinador, did you look in /home ? it should mount /home from the server /
11:12
coordinador, next time.. don't ask your question more than once
11:12
especially if nobody else talked
11:12
wait a few hours at least
11:13
<coordinador>
sorry, it will never happen again, its just that i have like 40 minutes more to fix that until monday, but as i said, it will never happen again
11:13
i will check the home dir
11:16
johnny, i ve isolated the problem only to root
11:17
<johnny>
?
11:17
<coordinador>
it is tolerable
11:17
<johnny>
only to root? you mean your /home was correct ?
11:18
<coordinador>
the all other user's home mounts succesfully so i can save files from internet, except with root
11:18
<johnny>
ah.. that's normal
11:18
it's not a problem.. that's just how it works
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11:18
<coordinador>
oh i see, thank you again
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11:30
<coordinador>
Why the mouse pointer and all the graphic interface sticks like each 1 sec?
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13:37
<jcastro>
sbalneav, around?
13:39
<CAN-o-SPAM>
i think he's out
13:39
<jcastro>
thanks, I'll just hang out
13:39* jcastro hasn't been in #ltsp in a long time!
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13:50
<CAN-o-SPAM>
nice to have you
13:50
jcastro: how did openweek finish up? i watched a few sessions
13:51
<jcastro>
a few more left!
13:51
good turn out, around ~300 per session
13:51
<CAN-o-SPAM>
jcastro: thought about webcasting that? or perhaps just adding audio? one thing that was hard for me was to pay attention by reading when doing other work
13:52
<jcastro>
yeah, unfortunately that's the medium we have to work with
13:52
audio would be geometrically harder
13:53
I wish we had the resources and time to pull it off
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13:55
<CAN-o-SPAM>
maybe next time ;)
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14:03
<sbalneav>
jcastro: Hey hey!!!!!
14:04
Welcome back to #ltsp
14:05
<jcastro>
hi sbalneav
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14:51
<k21>
hello, can someone please help me solve my problem with Ubuntu and LTSP?
14:51
<johnny>
if you ask it..
14:51
<k21>
if I want to connect, I can see the login screen
14:52
but then if I enter the password, it shows "Veryfiing password, please wait"
14:52
and then "No response from server, restarting"
14:52
<johnny>
did you change your ip ?
14:52
<k21>
I looked at forum and tried updating ssh keys, but that does not work
14:52
<johnny>
ah
14:52
<k21>
no, did not change it
14:53
<johnny>
is sshd running?
14:53
<k21>
but it looks very similar to that problem
14:53
I can log in through ctrl+alt+f1
14:53
<johnny>
that's not logging in remotely tho.. only locally
14:53
can you ssh as a user acount?
14:54
ssh useryoucreatedforltsp@yourserverip
14:54
<k21>
maybe I should also note, that i try it on virtual machines and that it already worked before some time
14:54
ok, i will try it
14:55
oh, looks interesting, ssh does not work
14:57
ok, I figured out that I have to use my server username, so it works
15:00
<johnny>
you have to use accounts created on your server yes
15:01
<k21>
however, is it correct that i access the whole filesystem and not only the /opt/ltsp/i386 part?
15:02
<johnny>
after login yes..
15:03
/opt/ltsp/i386/ is what gets loaded to the thin client so you can get the stuff needed to bootstrap yourself into the server
15:04
<k21>
oh, thanks, I had a kind of mess in this
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15:20
<k21>
btw, I have read in some LTSP documentation, that the min. req. for the client is about 24MB RAM. Do you by a chance know if it is possible to get some cheap thin client with small memory and some acceptable processor? Everything I could find had at least 256MB, while some of them did not have for example mathematical coprocessor, so it had to be emulated by the OS etc.
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15:21
<vagrantc>
i wouldn't recommend a thin client with less that 128MB of ram these days, unfortunately.
15:22
<k21>
so the doc was obsolete?
15:22
<johnny>
when was it ever 24mb ram?
15:22
k21, read the
15:22
!docs
15:22
<ltspbot>
johnny: "docs" is For the most current documentation, see http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspDocumentationUpstream
15:22
<johnny>
those are the real docs
15:22
<vagrantc>
it *might* be *possible*, but it probably won't work for most needs. it might not even be possible, though.
15:23
i think ltsp 4.2 worked with 16-24MB of ram.
15:23
but those were simpler days.
15:23
people didn't expect as much.
15:24
<k21>
yes, it is possible that I looked at a doc for a wrong version
15:27
here is where I read it: http://www.ltsp.org/twiki/bin/view/Ltsp/LTSPTerminal
15:27
it really surprised me, when I read it :)
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15:37
<vagrantc>
the ltsp.org wiki has so much outdated information, and a few kernels of useful information. i have long advocated to rename it to something else indicating that... like oldwiki.ltsp.org or some such.
15:49
<k21>
however, I looked at disklessworkstations.com (one of the links in ubuntu wiki) and found cheapest TC: 1GHz proc, 256MB RAM for 285 USD
15:49
then I searched through some local internet shops and found this (not really TC): 1.6GHz proc, 2GB RAM, 160GB harddrive for approx. 306 USD
15:49
why are the TCs so expensive? or can I get them cheaper somewhere?
15:49
<vagrantc>
they're produced in smaller quantities, and have no moving parts, typically, which makes them break less.
15:50
whereas even a cheap desktop system will likely not work without a fan... and once the fan goes, you have to replace the whole thing.
15:50
well, don't have to, but in some ways that's the easiest way
15:52
they also typical consume far less electricity
15:52
and take up less physical space
15:55
<k21>
i will post link to the second PC I found - it dous not look like having a fan and they also write there, that it has very low power consumption, it is no real TC only because of the HDD
15:55
it is strange but even after googling for its name, i found only czech sites:
15:55
http://www.mironet.cz/hal3000-ion-9102--atom230--2gb--160gb--nv9400--hdmi--bila+dp96372/
16:00
and if I sold the HDD for, lets say, 40 usd, it would be even cheaper than the TC from disklessworkstations.com (considered that it will be possible to take the HDD out)
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16:19
<vagrantc>
k21: do what works for you
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19:19
<sbalneav>
Evening all
19:21* vagrantc watches the darkness settling into the sky
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19:34
<sbalneav>
Sounds pretty emo.
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19:43
<johnny>
lol sbalneav
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21:00
<msaul_>
hi, was wondering if someone could help me with display manager indicating "no response from server: restarting"...
21:01
I installed Ubuntu 9.10 from alternate CD with LTSP. Thin client brings up display manager (nice looking btw)...
21:02
Was wondering if I missed a set with config - it has been a while...
21:03
<sbalneav>
You re-worked your ip addresses this morning with alkisg
21:03
did you ltsp-update-sshkeys && ltsp-update-image?
21:03
<msaul_>
Yes, that is correct :)
21:04
No, should I do that?
21:04
<sbalneav>
yes
21:06
<msaul_>
Just doing that now...
21:13
Did both commands you suggested. Should I reboot server?
21:14
<sbalneav>
No, just the thin client
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21:16
<msaul_>
Nice, that worked - thanks
21:16
Are there any times I should issue those commands, or is that just a "one-shot" deal?
21:16
Just curious...
21:19
<sbalneav>
Any time you fiddle with your ip address on the server, you should update the sshkeys
21:19
!docs
21:19
<ltspbot>
sbalneav: "docs" is For the most current documentation, see http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspDocumentationUpstream
21:19
<sbalneav>
have a look at the docs.
21:20
<msaul_>
Will do - thanks very much :)
21:21
This will be for a Linux lab for a church, where our college donated most of the equipment and furniture - total cost $150 for a lab costing much more :)
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21:22
<msaul_>
bye...
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