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


Channel log from 20 June 2013   (all times are UTC)

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13:05
<davew>
Hi All,
13:07
I need to share a printer with the thick clients attached to the network - 12.04 server Can anyone give me advice to do this ?
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14:06
<gvy>
davew, would be done with lp_server or another similar implementation Back Then
14:09
<davew>
Hi gvy is any of this documented anywhere ?
14:14
<gvy>
davew, not sure if it's still applicable to what you're running
14:14
so treat it as a keyword to check just in case it helps...
14:16
<davew>
Thanks gvy. I shall do some searching. I always find that I never know which is the suggested way of doing something for the version I am using.
14:19
In practical terms I need to give multiples of 30 users access to shared printing, the printer being attached to the server. I have gone to thick clients because of performance limitations and that is about it really.
14:25
Tell me , what do you do with ltsp
14:27
<gvy>
erm, didn't work with fat clients that way (but then again I don't use ubuntu)
14:27
maybe just stick cups service into the clients?
14:27
<davew>
So what are you using and where ?
14:29
<gvy>
I tend to use and deploy my own ALT Linux based images :)
14:29
these were e.g. deployed throughout Russian schools several years ago
14:30
were tuned for the older client hardware, didn't support fat clients rather at all
14:32
<davew>
That's interesting.I went through most of the distro's and didn't get too far because they all appeared to be full of bugs, and the pressure that the developers appeared to be under never seemed to give a stable distribution.
14:34
Changes seem to be ongoing and if you are a user you appear to be hanging on for grim death to the tail of a mad beast, and not being certain of where you or the beast are going.
14:36
Edubuntu 12.04 is the closest I have got. If I had a server that could take more RAM I would be using thin clients- but it is not to be, so thick clients it is.
14:37
Did the russian deployment use thin clients ?
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14:43
<gvy>
davew, yup; see also http://en.altlinux.org/LTSP (but that release is rather aged by now)
14:44
I'm working on next-gen distro build system for almost three years by now that also benefits ALTSP in the long run but has eaten its timeslice for the most part so far
14:45
the bright side is that we ran 24 KDE3 clients in ~1100Mb of RAM on the server
14:45
(which had 8Gb but most of that was used for disk cache as a result)
14:46
<davew>
All interesting stuff
14:46
<gvy>
there's somewhat more recent beta: ftp://ftp.linux.kiev.ua/pub/Linux/ALT/people/mike/iso/terminal/ltsp-tde-20130307-i586.iso
14:47
but it has some known regressions, the ChangeLog file sits aside the iso
14:48
ah, another bright side (maybe the last one): the original 4.0 used to run on pentium/16M with sound enabled, the later images didn't receive that much attention regarding memory consumption thus are practical with 24 to 32 megs
14:58
<davew>
I used Centos and Samba on XP based Dells for the last room system. Thin clients offered administration from the server and ease of deployment of software so LTSP was a real temptress. I remember seeing a Citrix system years ago and being impressed with it
14:59
Anyway I am going backwards, am using thick clients, and need to set up printing.
15:01
This is the only place in my universe that I have found the information I need to move it forward.
15:06
<gvy>
heh, luck
15:07
but then again, setup printer locally there, test it, share it, setup one client to use it, test it and duplicate the configuration around this way or another...
15:17
<davew>
I hope I won't need it ---- Cheers
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17:34
<Zen>
Hi, I was wondering if somebody could enlighten me
17:34Zen is now known as Guest81399
17:35
<Guest81399>
I have installed Edubunto 12.04 with lts, I have berry terminal installed on a Pi.
17:35
I get to the ltsp login screen, but after entering credentials, nothing happens?
17:36
My (test) setup includes using dhcp on the router, as I only have 1 nic available on the server.
17:37
the lts server has a static address of 192.168.1.130.
17:39
I removed dhcp from lts, because I have dhcp on the router, likewise the same scenario in work practice - should this work.
17:39
(well dhcp on a server).
17:40
<vagrantc>
you probably need the server's ssh keys copied to the berry terminal OS
17:42
<Guest81399>
I am not familiar with this concept
17:43
Is it something I export via terminal/command and copy to X terminal?
17:44
Apologies, i picked up linux, edubunto and lts up yesterday.
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17:47
<vagrantc>
using the raspberry pi is probably about the hardest way to do it...
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17:51
<Guest81399>
From what ive researched it seems like a legit use of a Pi
17:52
<vagrantc>
legitimate, yes
17:52
but not the simplest path forward
17:52
<Guest81399>
its just a shame that most tuts describe it as a quick 10 minute setup
17:53
<vagrantc>
they may be written assuming you understand a number of things about LTSP
17:53
i.e. you already have an LTSP network, here's how to add support for berryterminal
17:53
vs. building a berryterminal supported network from scratch
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17:55
<Guest81399>
I think the only thing stopping me is DHCP environment and the Image concept (which i dont actually understand too well - i thought think clients are suspose to be diskless dummies)
17:55
think*
17:55
thin**
17:56
<vagrantc>
berryterminal is installed on the SD card?
17:56
<Guest81399>
yes, only as a tool to allow the Pi to PXE, correct?
17:56
<vagrantc>
no, it avoids PXE entirely
17:56
<Guest81399>
mmhm.
17:57
<vagrantc>
the only thing it uses DHCP for, as far as i know, is typical network settings, nothing LTSP specific
17:57
<Guest81399>
or let me rephrase, to allow an otherwise uncapable Pi to act as a thin client to a lts?
17:57
<vagrantc>
what do you mean by "lts" ?
17:58
<Guest81399>
linux terminal server
17:58
<vagrantc>
that's basically what berryterminal is, yes.
17:59* vagrantc prefers genuine LTSP with rpi, rather than berryterminal
18:00
<vagrantc>
or at least, the closest approximation
18:00
<Guest81399>
I believe i have berryterminal covered (it seems simple). likewise my edubuntu-lts seems 'out the box' ready. Im struggly with gettin them to communicate
18:00
struggling*
18:00
mianly, dhcp it seems
18:00
God, I cannot type today.
18:00
<vagrantc>
you need to get the server's public ssh keys onto the client
18:00
i'm sure your DHCP is fine...
18:01
<Guest81399>
I understand what your saying, but I don't know technically how to achieve what your saying, I am a day 1 linux newbie
18:02
know how*
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18:05
<Guest81399>
Nothing i've read thusfar mentioned sshkeys, other then to simply ltsp-update-sshkeys, which I have done
18:05
transferring*
18:07
<vagrantc>
ltsp-update-sshkeys can be used to generate the file you need in the berryterminal image, yes...
18:07
sorry i donn't have the time to walk you through it step by step right now... maybe someone else could?
18:10
Guest81399: i would recommend first getting it set up for a more conventional computer with PXE first, and then testing with RPI
18:10
then you'd know you have all the pieces working before trying a more complicated setup
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18:15
<||cw>
does berryterminal still use pxe to get the lts.conf?
18:15
hm, seems I just time-warps 15 minutes...
18:16
<vagrantc>
dunno, maybe it uses dhcp and tftp to get the lts.conf
18:17
but it wouldn't be pxe.
18:19
<Guest81399>
hmm i am reluctent to give up on this atm, i will dig some more
18:19
besides, i have a boss on my case
18:22
<vagrantc>
somehow the berryterminal needs to get server information, probably an lts.conf, and the ssh public keys to be able to connect to the LDM server.
18:22
dunno how they did that with berryterminal
18:26
<Guest81399>
I'd also point out that this is merly 1 pi with 1 server on the same lan (im at home), i so thought this would be simple.
18:26
:D
18:30
<vagrantc>
1 is just as complicated as dozens
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18:38
<Guest81399>
The concept is so simple tho, install berry terminal - easy~
18:39
add server=ltsp ip address, simple
18:39
there is nothing else to do with it
18:39
my pi is as legit as a pxe machine.. so ltsp much by my problem :<
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20:18
<jlw213>
Does anyone know how I can change the default wallpaper for my lubuntu fat clients? I tried changing /etc/lxdm/default.conf but the changes were overwritten when I rebuilt the image
20:19
<||cw>
change it on the host?
20:19
<jlw213>
Well, change it for the clients. As in, when the user logs in, I wish to have a standard (custom) wallpaper
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21:51
<||cw>
jlw213: my implication is that maybe it build the client images theme from the hosts config, since the default is for thin clients, not fat, and doing so would maintain the same look for thin and fat
21:52
<vagrantc>
on ubuntu it guesses which themes to install based on what's installed on the server
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22:44
<gre3>
greets. trying to troubleshoot - spend all day and night getting thin client to boot - finally managed it, however.. after login no desktop menu, icon, apps just a wallpaper.
22:45
only some error about compiz(sp?) and strangely lack of access/ it wouldn't accept admin password.
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