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


Channel log from 29 March 2009   (all times are UTC)

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13:52
<kb1kdw>
Hi. I'm installing LTSP using the Ubuntu 8.04 LTS alternate install method. Does anyone know if I need any additional pacakges to have pulseaudio start working?
13:55
Also, can I chroot to the /var/lib/tftpboot and do an adduser to gain access to the local terminal to see how it is doing on a vt?
13:57
<NeonLicht>
you can do so, but doing the chroot into /opt/ltsp/i386/ or wherever Ubuntu places the LTSP root tree (I doubt it does in /var/lib/tftpboot)
13:57
<kb1kdw>
you're right.
13:58
/opt/ltsp/i386 is the correct place. Thank you.
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13:58
<NeonLicht>
np, kb1kdw
13:58
<kb1kdw>
It is complaining about "Your account has expired...PAM authentication failed"
14:00
It appears that I can su to the new user, so I'm going to pretend I didn't see the error :) Do I need to ltsp-update-image after each of these type of changes (because my system uses nbd)?
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14:11
<kb1kdw>
Does sound just work if the right driver can be found for the client machine?
14:11
If I had an evil sound card, like the ESS audiodrive, would audio default back to coming though the server's sound card?
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14:23
<kb1kdw>
Hi, does anyone have experience enabling sound on PC based thin clients? I have a lot of different machines to pick from (some good old ISA SB16's in the lot) and I was wondering if anyone might be willing to share some tips on how to get them going.
14:24
I'd really like to get some minor multimedia going so I can have my kids use thin clients.
14:24
Otherwise these PII-400's are going to have to go.
14:28
<alkisg>
SB16? Hmmm that would be really good for freedos & http://www.abandonia.com for the kids :P
14:28
I've done this for one of mine, but with an opti - no sound for all games :D
14:30
<stgraber>
sound usually work with PCI sound cards, for ISA you'll probably need to modprobe the right module manually, you can use a screen-session.d script for that if you're using a recent LTSP (Jaunty's or Intrepid's with my PPA)
14:31
<kb1kdw>
screen-session.d script? Do I need to add that to lts.conf or is that something I can start from within a session?
14:32
Can I change the root password if I chroot to /opt and then passwd?
14:32
<NeonLicht>
you can do so, but doing the chroot into /opt/ltsp/i386/
14:33
mmmhhhh... I think it was you who asked the same question half an hour ago...
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14:34
<kb1kdw>
NeonLicht -- Yes, thank you again -- It worked for adding a user.
14:35
<NeonLicht>
ah, ok, it wasn't exactly the same question, but since my answer was about the same I though the question was also the same, hahaha
14:37
<stgraber>
screen-session.d scripts are scripts executed right before X is started on the thin client, you can find some in /usr/share/ltsp/screen-session.d in the thin client chroot (if you're using a recent ltsp)
14:38
<kb1kdw>
Does the current ltsp look in /opt/ltsp/i386/etc/lts.conf or /opt/ltsp/i386/lts.conf ?
14:42
<srdjo>
anyone know how to change kiwi logo on opensuse kiwi-ltsp ldm screen
14:44
<epsas>
i am going to accept the defaults for the aptitude?
14:44
or did you do something to munge interactivity?
14:44
sorry, wc
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18:51
<Svenstaro>
Can I use ltsp wih the same user on many clients?
18:53
Basically, I want to use a single "student" account on 30 different machines at the same time.
19:00
<Ryan52>
probably not.
19:01
<Svenstaro>
How would you do it?
19:01
<Ryan52>
do what? use separate users. what are you trying to accomplish?
19:01
you might want to use the guest login.
19:01
<Svenstaro>
Currently, they use a horrible system too horrible to mention here. I want to replace it and make it a lot easier to manage, but having to manage 30 users indiviudally is hard for a normal teacher.
19:02
<Ryan52>
script it?
19:03
<Svenstaro>
To be honest, its too much of a hassle, even then. All I want is an account that looks the same everywhere and that provides new students who login with a new clean interface that will be reset on every login.
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19:05
<Svenstaro>
Can this be accomplished by forcing guest login for every thin client?
19:06
<Ryan52>
not the automatic reset.
19:07
<Svenstaro>
Will kiosk mode accomplish my goals?
19:08* Ryan52 doesn't know what that is..
19:08
<Ryan52>
maybe the ltsp cluster account manager thing can.
19:11
<Svenstaro>
That thing soudns very promising
19:46
Never mind that, I just checked it out and it's kind of immature.
19:46
It looks like I need a custom solution, what a shame.
19:46
I might as well create my own distribution for this.
19:47
I checked out Edubuntu, Skolelinux, K12Linux and some very small attempts and so far none of those seems to get it right, or maybe I'm just twisted in my demands.
19:47
<Ryan52>
Svenstaro: what don't they "get right"?
19:48
<Svenstaro>
Edubuntu is very, very scattered and inconsistent on the documentation side but it offers the most options in my use case. The others imply that you are using a per-student user which is too much administrative overhead in my case.
19:49
<Ryan52>
edubuntu doesn't imply that?
19:49
you can have a per-student user or a per-workstation user...and they all have support for both of those.
19:49
<Svenstaro>
Err well Edubuntu implies that I use one account per workstation at least.
19:49
<Ryan52>
ya.
19:49
<Svenstaro>
Would you recommend per workstation use?
19:50
<Ryan52>
yes
19:50
then you can also use guest login.
19:50
(which does basically that..)
19:50
you still have to set up the users yourself, tho.
19:50
<Svenstaro>
The idea was this: If a new computer gets added or another gets replaced, no administration is required to make the machine work. As it stands now, I need to assign the MAC address after it is added.
19:51
<Ryan52>
0.o?
19:51
why mac address?
19:51
<Svenstaro>
For autologin to work, the machine needs to know which user auto-logins on which workstation.
19:51
And it is based on their MAC addresses.
19:51
<Ryan52>
or it'll fall back to the hostname.
19:51
so...set up dhcp.
19:52
if you have 50 computers, set up 255 users/dhcp ip addresses.
19:52
<Svenstaro>
How does a new workstation know its own hostname?
19:52
Oh I see.
19:52
Didn't think about user per IP.
19:52
<Ryan52>
add a script to set it based on the ip address.
19:52
(it == the hostname)
19:53
<Svenstaro>
Mhh..
19:55
Even then, how do I automatically restore the users' default desktop and settings?
19:55
<Ryan52>
nightly cron job?
19:55
<Svenstaro>
Okay, I can override all the directories all the time, but there has to be a more elegant..
19:55
:/
19:56
Basically, I want to make the user directories behave exactly like the system were a LiveCD
19:58
Mh.. A user logout script?
19:59
<Ryan52>
actually, that might be easy to do.
19:59
<Svenstaro>
But what if the student just "shuts down" the PC? What would happen?
20:00
<Ryan52>
what do you mean by shut down? ie, unplug?
20:00
tell them not to do that :)
20:00
<Svenstaro>
For example, yes. I have to account for such scenarios.
20:01
<Ryan52>
do it on login then?
20:01
it'll make things slower, but then you know for sure that it's clean.
20:01
<Svenstaro>
Now thats a good idea.
20:02
This solves most problems.
20:02
So I have: [x] fat clients, [x] clean user dirs, [x] user-per-workstation
20:03
Now I only need to make the tftpd thing work using an alternative dhcp server
20:10
Edubuntu documentation is an utter headache :(
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20:43
<Svenstaro>
Thanks for your help Ryan52, good night.
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23:44
<Quiliro>
hello
23:44
i would like to know if i can have two ltsp servers on the same network
23:49
<Ryan52>
maybe.
23:49
what are you intending on doing?
23:49
load balancing? or choosing between them?
23:49
(both of which are possible)
23:50
<Quiliro>
thanks for answering Ryan52. i am asked to boot users on one server or another depending on which user it is
23:50
one server will belong to one company and the other to another company
23:51
<Ryan52>
"which user it is"
23:51
do you mean which workstation they're sitting at?
23:51
or do you mean what they enter into the login box?
23:51
again, both are possible. (maybe)
23:52
<Quiliro>
it doesn't depend on the workstation because a person may have two usernames to enter one server or the other
23:53
<Ryan52>
well, you can have multiple servers that they choose from.
23:53
<Quiliro>
each username would belong to one server
23:53
i was asked not to do that
23:53
<Ryan52>
but you can't say "if they are bob, they go on server1. if they are sally, they go on server2."
23:53
<Quiliro>
that's what they're asking me...can it be done?
23:54
can one server be the one to make the decision?
23:54
that what you say is exactly what they need
23:55
<Ryan52>
give me a second to look at the code before I answer..
23:55
<Quiliro>
thks Ryan52
23:59
<Ryan52>
I'm pretty certain that it's not possible.
23:59
<Quiliro>
options?
23:59
<Ryan52>
so you want to be able to have a file somewhere that says Ryan52 gets logged into this server, Quiliro gets logged into this server, and they never know the difference?