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


Channel log from 1 November 2010   (all times are UTC)

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01:58
<muppis>
e
01:58
01:59
Sorry, my laptop freaked and conenctions frozed.
02:02
<elias_a>
muppis: :D You saved my morning!
02:03
My ISP messed speed upgrade of my connection and I am waiting for them to fix my fixed line...
02:09
<muppis>
elias_a, you're welcome. I'm home now with my two kids. Younger got otitis and older is in fever and flu.
02:26
<elias_a>
muppis: Hug your kids! Say that some funny man told you t... :)
02:26
to...
02:29
<muppis>
I'll do.
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06:14
<muppis>
Bummer. Forgot password for nickserv..
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07:46
<rudie>
hello guys... can anyone help me with user config for ltsp 5 on ubuntu 10.10 desktop?
07:46
anyone?
07:47
<Appiah>
what user config?
07:50
<rudie>
i want to limit user disk space
07:51
the main issue is this : i have a thin client with embedded linux it connects to the ltsp on ubuntu but i have the cli prompt... can i enable gui by default?
07:51
it uses ssh
07:51
to connect
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07:53
<rudie>
anyone?
07:54
come on... there might be some help around here! :(
07:58
<muppis>
It is called quota and used in fs level.. Works.
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08:05
<Appiah>
just configure the quota then rudie
08:05
there no special ltsp quota , just regular linux server stuff!
08:06
about the thin client , you dont want to PXE boot it?
08:06
<rudie>
no i dont want to pxe boot
08:06
it has embedded linux in its flash memory
08:07
<Appiah>
well if you can get the LDM onto the thin client ....
08:07
<rudie>
when i connect to ltsp over ssh i get cli i want gui
08:07
<Appiah>
(never done it before but would sure like to try someday)
08:07
<rudie>
i cannot run any files on thin client
08:07
else there are many options like FreeNX
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08:08
<rudie>
is it possible to get the gui over ssh?
08:08
<Appiah>
I bet it does not have LTSP as a option :)
08:08
LTSP uses LDM as its graphical login and handling alot of other ltsp stuff
08:08
so if you can get that onto the thin client then yes
08:09
<rudie>
i have many connection types like rdp, ssh, web, etc
08:09
taratulla
08:09
<Appiah>
yes I understand
08:10
<rudie>
only this is the medium to connect
08:10
<Appiah>
non of them are for LTSP ofcourse
08:10
<rudie>
how can i get a graphical user interface then ?
08:10
:(
08:11
<Appiah>
chances are 99.99% that your thin clients embeeded OS dont have a "Connect to LTSP" option
08:12
<rudie>
nope it doesnt
08:13
<Appiah>
Dunno if such exist O_o
08:14
1) PXEboot 2) Reflash the memory 3) edit the embeeded OS
08:14
that's some options I can think of
08:14
<rudie>
PXEboot works fine but its quiet slow
08:14
reflash? how can i?
08:14
<Appiah>
errr
08:15
sorry I meant "Install another OS"
08:15
<rudie>
me = noob :((
08:15
yeah but how do i do it?
08:15
on a flash memory?
08:15
its called dom i guess
08:15
<Appiah>
same way you install it on harddrive or usb stick
08:16
but your space is really limited
08:16
<rudie>
but which os supprts ltsp?
08:16
<Appiah>
in that way
08:16
<rudie>
i mean client os for ltsp?
08:16
<Appiah>
I have no idea
08:16
<rudie>
yeah i have 1 gb space
08:16
<Appiah>
Dont know if such exist
08:16
<rudie>
:(
08:16
<Appiah>
I would like to have it
08:16
something you could put on a thin clients memory, no pxebooting
08:16
just starts and fires up LDM
08:17
<alkisg>
If you want to use freenx, just install freenx on the server...
08:18
<rudie>
i can use freenx
08:18
but how do i install it on server?
08:18
i cannot run files on this dumb linux
08:18
i dont have a terminal either
08:18
<alkisg>
You mean on the client or on the server?
08:18
<rudie>
this client
08:19
i cannot run files on this linux client dont have terminal too
08:19
<alkisg>
What options does it have? For rdp, you can install an rdp server
08:19
<rudie>
all i have is firefox n open office
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08:19
<rudie>
on linux server?
08:19
<alkisg>
Yes
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08:19
<alkisg>
But *all* this is not ltsp related, so you're probably in the wrong channel...
08:22
<rudie>
which channel shall i join to install rdp server on ubuntu desktop edition?
08:24
<alkisg>
Maybe #ubuntu? Not sure
08:24
<rudie>
no one?
08:24
k...
08:24
thanx
08:24
<alkisg>
np
08:24
<rudie>
thanks Appiah for listening to me
08:24
:)
08:27
<Appiah>
I dont remeber if it was here on the irc or the mailing list when someone was telling about the progress on a similar solution
08:27
instead of PXEbooting , putting that image on thin client
08:28
<alkisg>
I want to implement this some time (and it's been implemented in the past by some university), but there's no support for it in the current upstream code...
08:29
But I think rudie isn't looking to put LTSP in his image, otherwise he could just netboot...
08:29
(I'm interested in locally booted LTSP fat clients over wireless, which can't be netbooted easily)
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08:32
<Trixboxer>
alkisg: Hi !!
08:32
<alkisg>
Hello
08:33
<Trixboxer>
Things are good till now :)
08:33
one small doubt
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08:33
<Trixboxer>
in top -c on fat client I see a process sshfs
08:34
does it mean that the nbd is using SSHFS for mounting remote sys ?
08:35
<alkisg>
No, the root file system (/) is mounted with NBD and the /home/username folder is mounted with SSHFS.
08:37
<cyberorg>
alkisg, ltsp image that can be installed on client DOM can be easily created using kiwi
08:37
<Appiah>
ofcourse, the powerful suse has already solved this problem :)
08:37
<alkisg>
cyberorg: nice, what does DOM mean?
08:38
<Appiah>
memory on the thin client is called DOM
08:38
<cyberorg>
alkisg, some TC comes with their own flash storage called DOM
08:38
<Appiah>
Disk On Module
08:38
<alkisg>
Ah, I see. Can that be a local hard disk?
08:38
(for a normal desktop used as a fat client...)
08:38
<Appiah>
but that would really solve the thinclients/fatclients with wireless
08:39
wireless only*
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08:40
<cyberorg>
alkisg, of course, local hd image that can be dd'ed or pxeboot installed can be done too
08:40
<alkisg>
Nice!
08:41
<Appiah>
this kiwi features needs to go upstream..
08:41
<alkisg>
cyberorg: is that possible? ^^^ or is it kiwi-depended?
08:42
<cyberorg>
Appiah, kiwi needs to be ported to other distros, currently it supports suse and rh based
08:42
<Appiah>
what's the kiwi in kiwi-ltsp anyways?
08:43
<cyberorg>
kiwi is imaging solution, you know what ltsp is :)
08:43
<Appiah>
ah :)
08:43* alkisg would like to implement this: the clients to boot locally, but before they reach LDM, to check if opt/ltsp/i386 on the server is newer, and if it is, rsync it over wireless... that would make it rather easy to maintain labs with several netbooks
08:44
<Appiah>
!!
08:44
<ltspbot>
Appiah: Error: "!" is not a valid command.
08:44
<Appiah>
that would be just great
08:44
<Trixboxer>
:)
08:44
<Appiah>
ltspbot: shutup!
08:44
<ltspbot>
Appiah: Error: "shutup!" is not a valid command.
08:44
<cyberorg>
Appiah, kiwi does that too, update on boot
08:44
<Appiah>
=(
08:44
<Trixboxer>
haha
08:44
<alkisg>
Ooooh nice!
08:44
<Appiah>
Guess kiwi needs to get ported
08:44
fast
08:45
<Trixboxer>
!ltspbot
08:45
<ltspbot>
Trixboxer: Error: "ltspbot" is not a valid command.
08:45
<Trixboxer>
hmm
08:46
alkisg: So is there anything remaining to improve the nbd performance in order to give a local HDD feel ?
08:46
<cyberorg>
check out kiwi doc http://isny.homelinux.com/data/kiwi.html all the features it provides is why we use it for LTSP on opensuse
08:46
<Trixboxer>
like disabling encryption 0_o
08:46
<alkisg>
Trixboxer: disable nbd-proxy, re-enable compression in /etc/ltsp/ltsp-update-image.conf, upgrade your network to gigabit..
08:47
<Appiah>
cyberorg: about porting , does kiwi not use rpm , yast and or smart? would that not make it hard to port to (example) debian ?
08:47
<cyberorg>
porting shouldn't be difficult, it supports smart too
08:48
smart, yum and zypper are supported, so someone can write support to whatever deb uses easily
08:49
<Appiah>
I can just start googling and reading the kiwi mailinglist but do you know of any porting efforts?
08:52
<cyberorg>
Appiah, nopes, you can always drop in #kiwi and get help from schaefi, check out the code and parts which handle package manager
08:53
got to go, ciao
08:53
<Appiah>
thanks
08:53
\o
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09:20
<AndyGraybeal>
i've set TIMESERVER=192.168.2.1 variable in lts.conf ... i've rebooted my client, but it's not picking up the time from the server. it's like 6 hours and 30 minutes off. what else should i be doing to fix this? is there a way i can test it? i can ping the time server. i just ran ntpdate 192.168.2.1 and that worked. when is the client supposed to check the time server, at startup?
09:26
<Appiah>
https://help.ubuntu.com/community/UbuntuLTSP/InstallNTPServer looks like there's more O_o
09:26
dunno if it's changed after 8.0.4
09:26
8.04*
09:27
<AndyGraybeal>
well, that's old, and i talked to, i think it was alkisg this weekend and he said all i need to do is set TIMESERVER
09:27
i told him i would update that page if i got this to woek
09:27
work
09:27
<Appiah>
never seen/heard of anyone using TIMESERVER
09:27
(this is new to me) :)
09:28
but there is ntpdate in the chroot?
09:28
<AndyGraybeal>
it still looks like i need to run the script. i think alkisg said i didn't have to run the script though.
09:28
Appiah: yes, there is.
09:28
Appiah: that works fine.
09:29
<Trixboxer>
can somebody from dev please update the man page of "ltsp-build-client" command to include "--fat-client" ?
09:30
if I can, I would love to but I'm not a dev*...
09:30
<AndyGraybeal>
Trixboxer: you run trixbox (Asterisk?)
09:30
<Trixboxer>
yup :)
09:30
<AndyGraybeal>
cool :)
09:31
<Trixboxer>
I don't find "--fat-client" option in "man ltsp-build-client", thought is executes pretty good :)
09:31
Using Ubuntu 10.04 as server
09:32
<Appiah>
hidden feature!
09:33
<Trixboxer>
Appiah: It was hidden for me till alkisg revealed it
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09:40
<Appiah>
hehe I remeber when lts.conf was not really fully documented
09:40
and there was a bunch of options there was no man page for
09:49
<Hyperbyte>
mhm...
09:49
Recently I made a Dutch translation of LDM, for the company I work for
09:50
Someone here suggested I e-mail it to ltsp-developer@lists.sourceforge.net, which I did
09:50
Since then it's been dead quiet. Did I do it right? =)
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09:51
<Appiah>
http://sourceforge.net/mailarchive/forum.php?thread_name=4CC05175.50000%40recreatie-zorg.nl&forum_name=ltsp-developer
09:51
very low traffic on that list
09:51
no new posts after yours (mailed in the 21th)
09:52
I'd say its normal :)
09:52
<Hyperbyte>
=)
09:53
Okay, as long as it has arrived. Hopefully it'll be used. Quite happy with LTSP at the moment, very nice to be able to do something back.
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09:56
<Hyperbyte>
Too bad the accountant here is using some program that's not compatible with Linux. Would've saved me from having to set up an RDP server here. :-)
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10:23
<AndyGraybeal>
Hyperbyte: what program is your accountant using?
10:23
Hyperbyte: do you also have one of your consoles set to RDP?
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11:10
<AndyGraybeal>
gah.. something happened and i can't login to the machines
11:11
i try to login from a client, and i'm not getting anything showing up in /var/log/auth :(
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11:18
<Trixboxer>
After installing a new software in host system, how can I make it accessible in fat-clients ? e.g Thunderbird or Chrome ?
11:20
<alkisg>
!fatclients
11:20
<ltspbot>
alkisg: "fatclients" :: You may find some info about the Ubuntu/LTSP implementation of fat clients at https://help.ubuntu.com/community/UbuntuLTSP/FatClients
11:20
<alkisg>
See the section about chroot customizations
11:21
<Trixboxer>
are u suggesting that I should chroot to client environment first and then install the app ?
11:21
trying ...
11:28
<alkisg>
Right, on fat clients the apps need to be installed on the chroot, not on the server.
11:29
<Trixboxer>
alkisg: Did it but no effect on client even after rebooting, I installed chrome in chroot environment
11:29
<alkisg>
Trixboxer: did you run ltsp-update-image?
11:29
<Trixboxer>
nope, initiated now
11:29
<alkisg>
Trixboxer: about the man page, see ltsp-build-client --extra-help
11:30
<AndyGraybeal>
so for some reason i don't have /opt/ltsp ....
11:31
i'm very scared.
11:32
<alkisg>
AndyGraybeal: erm, did you say you're having login problems? How did your client boot without /opt/ltsp/images/i386.img?!
11:33
About the TIMESERVER problem, you don't have to add any scripts, it should work out of the box - if it doesn't it needs troubleshooting, but with /opt/ltsp missing that would be difficult... :(
11:33
<AndyGraybeal>
alkisg: yea, this is a totally different issue.. i don't know what the f i did.... i didn't delete anything
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11:34
<alkisg>
AndyGraybeal: if a client is booted, `ps -ef|grep nbd` will tell you the image it uses
11:34
<AndyGraybeal>
alkisg: no one can login... the thing boots thouhg.. i'm so confused.
11:34
okay thank you
11:34
oh wait.. i was stil in chroot
11:34
<alkisg>
AndyGraybeal: about the login problem, if you changed your server's IP, then ltsp-update-sshkeys && ltsp-update-image is needed
11:34
Heh :)
11:35
<AndyGraybeal>
gah that's not the first time i've done that
11:35
alkisg: i haven't changed the IP address.. but i did 'start' the ssh daemon
11:35
i tried to install 'openssh-server' but i think it said it was already up dated
11:36
i'm sorry for this panic
11:36
<alkisg>
You can run those commands if you like, or you can troubleshoot by using SCREEN_02=shell in lts.conf and trying "ssh user@server" from there
11:36
<AndyGraybeal>
ssh_user@server (server = ip address of ltsp server?)
11:36
thank you
11:36
<alkisg>
AndyGraybeal: the exact word "server"
11:36
<AndyGraybeal>
lemme run update-sshkeys first
11:37
<alkisg>
ssh <user>@server
11:37
You only replace <user> in that line
11:37
<AndyGraybeal>
aah interesting, okay.
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11:37
<alkisg>
!sshkeys
11:37
<ltspbot>
alkisg: Error: "sshkeys" is not a valid command.
11:38
<alkisg>
!learn sshkeys as If you changed your LTSP server IP on Ubuntu, your clients will be unable to login. To fix this, you need to run: sudo ltsp-update-sshkeys && sudo ltsp-update-image
11:38
<ltspbot>
alkisg: The operation succeeded.
11:38
<Kicer86>
hi, where do i faind some docs about setting up sound in ltsp?
11:38
find*
11:38
<alkisg>
distro/version?
11:39
<Kicer86>
debian squeeze'
11:40
currently i've pulseaudio is running on server and client but no sound in speakers...
11:40
<alkisg>
No idea about sound on Debian, if noone answers try in a few hours when usually the debian maintainer signs in
11:42
<Kicer86>
kk
11:42
<AndyGraybeal>
alkisg: your a life saver! holy crap sshkeys update worked.
11:43* alkisg adds "life saver" in his CV... :P :D
11:46
<AndyGraybeal>
:)
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11:48
<Trixboxer>
alkisg: still no luck
11:49
<alkisg>
Trixboxer: so you run sudo chroot /opt/ltsp/i386 apt-get install app && sudo ltsp-update-image and then rebooted the client and you don't see the app?
11:49
<Trixboxer>
yes
11:49
strange thing is
11:50
even after installing chrome in chroot env
11:50
it dint go in /usr/bin/
11:50
i think problem lies here
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11:51* alkisg will be back in 2h, bye all...
11:51
<AndyGraybeal>
thank you alkisg !
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11:53
<AndyGraybeal>
does anyone use Nagios/NRPE client on their thin clients?
11:54
does anyone use apcupsd on these clients also?
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13:02
<Kicer86>
is there already debian maintainer?
13:07
<vagrantc>
?
13:08* vagrantc maintains ltsp for debian
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13:19
<Kicer86>
do you have some docs or howto for setting up sound in ltsp ?
13:19
couse i'm having some problems ;)
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13:25
<vagrantc>
Kicer86: /usr/share/doc/ltsp-server/README.Debian.sound
13:25
!release
13:25
<ltspbot>
vagrantc: "release" :: please mention the linux distro and release you're using :)
13:26
<Kicer86>
thx
13:27
but you could add one info;)
13:27
<vagrantc>
?
13:28
<Kicer86>
i'm supposed to install alsa plugin for pulseaudio on server or thinclient environment ?:>
13:29
<vagrantc>
if you should install it in the chroot, it will explicitly tell you to do so
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13:38
<vagrantc>
Kicer86: technically, i think you need libasound2-plugins on both the server and the chroot, but by default it should already be in the chroot.
13:38
<Kicer86>
indeed they are
13:39
<vagrantc>
so the /etc/asound.conf is only needed on the server.
13:42
<Kicer86>
i see, but i don't have such file, i've created it and restarted alsa on server but still no sound
13:47
sound is playing on server
13:49
<vagrantc>
what application is playing sound?
13:49
<Kicer86>
totem
13:49alkisg has joined #ltsp
13:50
<Kicer86>
a tried alsa smplayer, and set alsa as output
13:50vmlintu has joined #ltsp
13:51
<Kicer86>
also*
13:51
<vagrantc>
what version of ltsp do you have installed?
13:51
does ltsp-info output anything?
13:51
(and if so, please paste to a pastebot)
13:51
!pastebot
13:51
<ltspbot>
vagrantc: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
13:52
<alkisg>
Trixboxer: did you solve your google chrome problem?
13:54
<Kicer86>
http://ltsp.pastebin.com./U5AbjMDp
13:54
my chroot is in some other place than /opt
13:55
<vagrantc>
Kicer86: well, that makes things more annoying :P
13:56
probably not the cause of your problem, but makes it harder to troubleshoot
13:56
<Kicer86>
my chroot ?
13:56
<vagrantc>
yes ... using the non-default location
13:57
<Kicer86>
what's the different ?:P
13:57
<vagrantc>
well, you've already pointed out one difference ...
13:57
so ...
13:57
BASE=/whereever/you/put/your/chroot ltsp-info
13:58
and please pastebot the results
13:59
it's not that there's anything technically wrong with putting it elsewhere ... it's just that most of the tools assume /opt/ltsp so you'll have to explicitly state the location for many/most of the tools.
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14:00
<Kicer86>
http://ltsp.pastebin.com./KCUbiLVs
14:02
<vagrantc>
looks like you're running a lenny chroot on a squeeze server ...
14:02
is that intentional?
14:02
the lenny version doesn't set the same variables that the squeeze documentation looks for
14:03
but i'd really recommend building a squeeze chroot ...
14:03
or at the very least, using lenny-backports for the chroot.
14:04
<Kicer86>
then wait a sec
14:04
<vagrantc>
putting anything in the /mnt directory is a bit strange... that's usually used for temporary ad-hoc mounts ...
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14:05
<Kicer86>
is there any difference if i use aptitude update when chrooted ? or should i use ltsp-build-.... ?
14:06
<vagrantc>
i would start from scratch
14:06
<Kicer86>
kk
14:06
<vagrantc>
and, if you could bear to do so, put it in /opt/ltsp :)
14:06
you can always move it later, if you must
14:06
<Kicer86>
kk
14:09
<vagrantc>
so, be sure to use ltsp-build-client --dist squeeze ... just in case your lsb_release lies and says you're running lenny
14:09
<AndyGraybeal>
does anyone use apcupsd on clients?
14:09
<vagrantc>
UPS ought to last a long time on a genuine thin client
14:10
though you'd still need the server to outlast it ... :)
14:10
<AndyGraybeal>
vagrantc: well, it's more for monitoring the UPS with NRPE/nagios
14:11
<vagrantc>
AndyGraybeal: why would you want that on the thin client?
14:11
<AndyGraybeal>
so i can know when to replace the battery or something like that
14:11
<vagrantc>
why not have the server monitor the UPS?
14:12
<AndyGraybeal>
i'm confused on how to do that i suppose.
14:12
<vagrantc>
i guess i just don't understand what you're trying to do
14:12
<AndyGraybeal>
i hvae UPS on my server, and UPS on each of the clients. i have apcupsd on the server.. and i monitor it with nagios. i would like to do the same for the clients.
14:13
<vagrantc>
connected to the UPS with serial cables?
14:13
<AndyGraybeal>
well, with usb to the client, yes.
14:14
<vagrantc>
UPSes aren't network-capable, i'm guessing
14:14
<Trixboxer>
alkisg: nope
14:14
<AndyGraybeal>
vagrantc: not that i'm aware of
14:14
<Trixboxer>
alkisg: I don know why but its not showing chrome in clinet
14:14
client*
14:14
<AndyGraybeal>
i have APC ups's.. maybe their not such high quality.
14:15
vagrantc: i'm going to try it out, it sounds like it hasn' tbeen done yet. can you forsee any problem with me running apcupsd on the clients?
14:15
<vagrantc>
AndyGraybeal: well, if acquiring network cards for your UPSes is an option, that would definitely simplify things ... but if that isn't an option...
14:16
<AndyGraybeal>
i don't think there is such an option, lemme google.
14:16
<vagrantc>
AndyGraybeal: the main problem i see running it on the clients is getting each client to recognize the appropriate UPS
14:16
<AndyGraybeal>
http://www.apc.com/products/family/index.cfm?id=98
14:16
<alkisg>
Trixboxer: is that chromium-browser, or google chrome? If the latter, how did you install it to the chroot?
14:16
<AndyGraybeal>
i thought all i would have to do is edit apcupsd.conf and tell it 'usb' :)
14:17
<vagrantc>
we played around with using USB serial adapters for a while, and finally switched to networked setup... much simpler.
14:17
<Trixboxer>
alkisg: chromium-browser
14:17
<vagrantc>
AndyGraybeal: nothing like giving it a whirl :)
14:17
<alkisg>
Trixboxer: ok, on a fat client, try: dpkg -l chromium-browser
14:17
<AndyGraybeal>
vagrantc: i've didn't realize there was 'network management cards' for UPS's
14:18
<Trixboxer>
alkisg: no package found
14:19
<alkisg>
Trixboxer: right, so it isn't installed (or you didn't run ltsp-update-image or didn't reboot the client)
14:19
<Trixboxer>
done
14:19
it wrote another image
14:19
and now rebooted
14:20
<alkisg>
Trixboxer: sudo chroot /opt/ltsp/i386 dpkg -l chromium-browser
14:21
<vagrantc>
AndyGraybeal: they're great :)
14:22
<Trixboxer>
alkisg: its installed
14:22
<alkisg>
Trixboxer: sudo mount -o loop /opt/ltsp/images/i386.img /mnt && sudo chroot /mnt dpkg -l chromium-browser && sudo umount /mnt
14:24
<Trixboxer>
not able to mount
14:24
<alkisg>
Is that the correct path for your image?
14:24
<Trixboxer>
it says "need an entry in fstab"
14:24
lemme check
14:24
I have 2 images there i386.img and fat-i386.img
14:25
<alkisg>
Ah. Why?
14:25
Also in that case, every time you run ltsp-update-image etc you need to tell it about that new path you're using.
14:25
<Trixboxer>
example ?
14:26
<alkisg>
ltsp-update-image --arch fat-i386
14:26
<Trixboxer>
oh
14:26
<alkisg>
It'd be much simpler if you just had 1 chroot
14:26
So if you don't have some specific reason to have 2, just keep one of them
14:27
<Trixboxer>
is it safe to delete both and create a new one ?
14:27
<alkisg>
Sure, but it'd take a lot of time and you don't need to do it
14:27
Try this:
14:27
du -sh /opt/ltsp/i386
14:27
du -sh /opt/ltsp/fat-i386
14:27
Ah, better yet:
14:28
ls /opt/ltsp/*/etc/ltsp_fatchroot
14:28
This will verify that fat-i386 is the fat one, the one you want to keep
14:28
<Trixboxer>
ok give me a min
14:28
its updating the image
14:29
<alkisg>
ls /opt/ltsp/*/etc/ltsp_fat_chroot
14:29
^^ that's the correct one
14:29vmlintu has quit IRC
14:29
<alkisg>
So if fat-i386 is the correct one, delete the i386 one and rename fat-i386 to plain i386
14:30
<Trixboxer>
I did it before
14:30
like 4 hours before
14:31
ok
14:31
<alkisg>
Trixboxer: if you did it before, then maybe your dhcp server is pointing to the old image
14:31
<Trixboxer>
now my /opt/ltsp has i386 and images
14:31
<alkisg>
Trixboxer: ls -lha /opt/ltsp/images
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14:32
<Trixboxer>
2 images
14:32
<alkisg>
Delete the small one
14:32
(or the old one depending on what you did)
14:32
<Trixboxer>
hmm
14:32
done
14:33
<alkisg>
Now check your /etc/ltsp/dhcpd.conf
14:33
...and your /etc/inetd.conf
14:34
<Trixboxer>
2000 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
14:34
2001 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/fat-i386.img
14:34
/etc/ltsp/dhcpd.conf is Ok
14:34
<alkisg>
Delete the fat-i386 line from inetd.conf and restart inetd
14:35
Also check the port in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
14:35
<Trixboxer>
oki
14:35
<alkisg>
(and delete /var/lib/tftpboot/ltsp/fat-i386/
14:37
<Trixboxer>
hmm /pxelinux.cfg/default has wrong nbd port is it safe to modify it ?
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14:44
<Kicer86>
vagrantc: after update to squeeze, sound is working, thx
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14:49
<vagrantc>
Kicer86: :)
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14:50
<vagrantc>
glad it was something as simple as that :)
14:50
<Kicer86>
anyway as i can see there is no option in udev directory to enable hdd ?
14:50
;)
14:51
<vagrantc>
Kicer86: that changed to an lts.conf option ... should be mentioned in /usr/share/doc/*/NEWS.Debian in one of the ltspfs packages
14:51
or /opt/ltsp/i386/usr/share/doc/ltspfs*/README.Debian
14:52
Kicer86: LOCALDEV_DENY* ... you can install ltsp-docs and man lts.conf for more information ...
14:54artista_frustrad has quit IRC
14:59
<alkisg>
Trixboxer: yes, you can safely modify it
14:59
<Trixboxer>
done it
14:59
rebooted server
15:00scottmaccal has joined #ltsp
15:00
<Trixboxer>
and now client says cant connect to NBD :)
15:00
back to square 1
15:00
<Kicer86>
ok it's working, thx
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15:01
<alkisg>
Trixboxer: did you restart inetd?
15:01
<Trixboxer>
Done, ltsp-update-image, ltsp-update-kernels, ltsp-update-sshkeys then restarted server
15:02
<alkisg>
Trixboxer: ok, put the following info to pastebin:
15:02
grep nbd /etc/inetd.conf
15:02
ls -lha /opt/ltsp/images
15:02
cat /etc/ltsp/dhcpd.conf
15:02
cat /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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15:03
<alkisg>
Btw, the next time you run ltsp-update-image, run it with the --force parameter so that it re-assigns the nbd ports now that you only have 1 image
15:04
(and since you were looking for speed, you could also disable nbd-proxy and re-enable compression for 3x disk speed)
15:05
<Trixboxer>
yeah its the nbd port conflict again and here is the pastebin http://pastebin.com/LekY7nGH
15:05
alkisg: disable nbd-proxy from lts.conf ?
15:05
<alkisg>
Is that lucid?
15:05
<Trixboxer>
yes
15:06
can I add it to kernel ?
15:06
BOOTPROMPT_OPTIONS="quiet splash nbd_proxy=false"
15:06
<alkisg>
You'd need to get a newer version for one script, comment #13 in https://bugs.launchpad.net/ltsp/+bug/589034
15:06
So nbd_proxy=false is needed but it isn't enough
15:07
(for Lucid, it is enough only for maverick which has the newer script version)
15:07
Or if you prefer you can add my ppa in your sources and update your chroot...
15:09
(the "connect to nbd failed" problem of course is because of the port, temporarily change it manually to 2000 and next time put --force to ltsp-update-image)
15:09
<Trixboxer>
trying the force option and then will disable the nbd_proxy
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15:15
<Kicer86>
last problem: using X_MODE_0=1024x768 doesn't work. thin client starts with 800x600. with debian lenny's ltsp it was ok
15:16
XRANDR_MODE_0 has no effect too
15:16
<Trixboxer>
alkisg: why nbd_proxy is introduced ? I read that you are also a part of it
15:17
<alkisg>
No, I'm not, I don't even use it
15:17
Where did you read that?
15:17
(that's why I put the nbd_proxy=false parameter, because nbd-proxy has caused some problems in my systems and I didn't want to use it..)
15:18
<Trixboxer>
no no, I read that u are working on its removal ? on the same #ltsp channel but lost in logs
15:18
ok, now i downloaded the new ltsp_nbd
15:18
<alkisg>
Nope, I'm not working on its removal either :)
15:18
Some people need it, I was just looking for an option to disable it on my labs
15:19
<Trixboxer>
huh, I think I need a tea then :@
15:19
<vagrantc>
Kicer86: probably an issue with the switch to kernel-mode-setting ... depends on your video card ... look for bugs in the appropriate xserver-xorg-video-* packages.
15:19
<Trixboxer>
i downloaded the new ltsp_nbd, chroot , update-initramfs -u , and then on main server ltsp-update-kernels
15:19
<alkisg>
Trixboxer: I do think that forking nbd-client would result in a more efficient implementation, but it's not my call, I was only looking for a method to disable it....
15:20
<Trixboxer>
alkisg: rebooting the server now
15:20
<alkisg>
Trixboxer: you won't get much performance improvement with that
15:20
<Trixboxer>
with nbd_proxy disable ?
15:20
<alkisg>
You'd need to also disable compression in ltsp-update-image.conf like I told you some hours ago
15:21
<Trixboxer>
oops, I missed it, ok will disable after this reboot
15:21
<alkisg>
(the compression gives the most speed-up, but I heard that nbd-proxy has problems with compressed images, and that's why compression was disabled in Lucid, so that's why I told you to disable nbd-proxy while enabling the compression)
15:21
<Trixboxer>
recalling days of windows when I need to reboot after every driver installation :P
15:21
<alkisg>
No need to reboot the server after updating your image...
15:22
<Kicer86>
vagrantc: ok, thx
15:24
<alkisg>
Trixboxer: your current /opt/ltsp/images/i386.img is 1.7 Gb, after enabling the compression and running ltsp-update-image it will get 2-3 times smaller, giving you 2-3 times better disk speed.
15:24
<Trixboxer>
alkisg: yes the image size now is 1.7 gb
15:24
and I see that client booted safely
15:25
now checking out how to enable the compression
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15:26
<alkisg>
Comment the line "NO_COMP="-noF -noD -noI -no-exports"" in /etc/ltsp/ltsp-update-image.conf
15:26
(or delete it)
15:26
<Trixboxer>
ko
15:26
<alkisg>
Then run ltsp-update-image once more :)
15:27
..and ls -lha /opt/ltsp/images/i386.img to see the difference
15:27
<Trixboxer>
alkisg: now I can see the chrome in client
15:27
yahooo
15:28
alkisg: the lines in /etc/ltsp/ltsp-update-image.conf says that enabling compression may result in unstable image
15:28
<alkisg>
I didn't observe that in more than 1000 clients
15:29
I suspect that the instability may be caused by nbd-proxy, but I can't say for sure until I see instability :)
15:29
(nbd-proxy with compression on)
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15:29
<Trixboxer>
hmm ok, updating the image
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15:31
<Trixboxer>
alkisg: Chrome is not starting, when I checked logs it says "lo: Disabled Privacy Extensions"
15:31
<rpm_>
Hi everyone, does anyone know what could cause the thin clients to randomly loose the ablity to produce sound? I am running 10.04 cluster, sometimes the clients boot up with the drivers present but not able to produce any sound, if I install an external sound card (usb) it works but the internal doesn't?
15:31
<alkisg>
Trixboxer: see the comment on the wiki page about the apps not running with sshfs and that need an nfs /home
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15:31
<alkisg>
Chromium-browser is one of them
15:31
<Trixboxer>
aah
15:31
<alkisg>
!fatclients
15:32
<ltspbot>
alkisg: "fatclients" :: You may find some info about the Ubuntu/LTSP implementation of fat clients at https://help.ubuntu.com/community/UbuntuLTSP/FatClients
15:33
<alkisg>
Someone here reported that it used some workaround to force chrome to put its locks elsewhere (while still using sshfs), but I don't remember the details, you can probably find his workaround in the logs
15:34
<Trixboxer>
alkisg: so shall I go with NFS_HOME ?
15:34
<alkisg>
Exporting /home with NFS may have some security impact, it's up to you to decide
15:35
<Trixboxer>
alkisg, hmm cant mix users home's
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15:36
<Trixboxer>
668M image now :)
15:37
<alkisg>
So your net disk access should be 2.5 times faster now :)
15:38
<Trixboxer>
yeah it feels
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15:47
<rpm_>
I am running 10.04 cluster, sometimes the clients boot up with the drivers present but not able to produce any sound, if I install an external sound card (usb) it works but the internal doesn't?
15:52
I guess this means no-one has any Ideas?
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15:57
<rpm_>
thanks anyway guys.
15:58
<vagrantc>
wait longer...
15:58rpm_ has quit IRC
15:58
<vagrantc>
or not
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16:07
<Trixboxer>
alkisg: Thanks a ton for bearing me :) It's running good and much improved. Will do rest tomo. God bless you !!
16:07
<alkisg>
You're welcome
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17:42
<markit>
hi ppl, hi alkisg :)
17:42
<alkisg>
Hi markit
17:43
<markit>
alkisg: do you know if kubuntu 10.10 still needs ndb-proxy patch? I've "upgraded" the school server to 10.10, but now is at my home and can't test with many clients
17:43
<alkisg>
nbd-proxy should be enabled by default in 10.10. If you want to disable it, follow the instructions on the bug report
17:44
<markit>
alkisg: I thought that the problems was not it being enabled, but a "fix" broke it, so hoped they fixed the fix
17:44
<alkisg>
markit: ?
17:44
<markit>
in recent ltsp there is the statement "that now nbd-prxy can be disabled" , but did not found how to do it
17:45
<alkisg>
nbd-proxy is enabled by default in ubuntu 10.04 and 10.10
17:45
<markit>
alkisg: I thought that nbd-proxy was there since long time, and worked fine, until some developer "improved" it an broke it... are you telling me it never worked?
17:45
alkisg: yes, I know is enabled by default, but if you read the changelog of 10.10 ltsp, states that now is possible to disable
17:45
<alkisg>
No, I'm telling you that it was only recently added, and only a few people (me included) had to disable it
17:46
<markit>
so seems like they added a config option
17:46
ah, me included :)
17:46
<alkisg>
I know that it is possible to disable it, I added the disabling code because it had problems in my setups and I didn't want to use it...
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17:46
<alkisg>
As I said, follow the instructions I posted on the bug report: https://bugs.launchpad.net/ltsp/+bug/589034
17:47
(last 2 comments)
17:48
<markit>
thanks, but what i mean is that
17:48
ltsp (5.2.4-0ubuntu1) maverick
17:48
" * allow disabling nbd-proxy and disable it on low-memory systems"
17:48
<alkisg>
Right, I added that part. So?
17:49
OK let's get this from the start
17:49
<markit>
so is it so complicated to disable in maverik?
17:49
<alkisg>
No, it isn't, read the last 2 comments in the bug report
17:49
<markit>
the bug you pointed me to consists in 4 steps
17:49
Alkis Georgopoulos wrote on 2010-10-25:
17:49
that is you :)
17:49
and follows 4 steps
17:49
<alkisg>
" Common steps for Lucid and Maverick:"
17:49
There are 2 steps there
17:50
The previous 2 are for lucid, which didn't contain an option to disable nbd-proxy
17:50
<markit>
ops, I've got it now
17:50
should read more carefully
17:50
alkisg: ok, so I just have to add "thanks you fro having added that patch" :)
17:51
<alkisg>
Erm, I added the code before the bug report was even filed... :D
17:51
...so I didn't use the patch from the bug report...
17:53
<markit>
btw, are you still improving your script sch-scripts and updating .debs also?
17:53
I definetly have to try to install it this or the next week
17:54
<alkisg>
Yes, but I'm not producing any newer i18n versions because it seems like only dgroos is using it :)
17:55
We've added support for sending messages, for getting a user or a root client console in the teacher pc etc, lots of new stuff
17:56
I think the last i18n version is 10.04.38, now we're at 10.04.51.
17:56
<markit>
i18n version? I thought was not i18n and just dgross translated "by hand" in english
17:57* markit confused
17:57
<alkisg>
In order for you or any other interested people to try it, I uploaded i18n .deb files and I sent you the link for it...
17:57
(I mean, in english, not multilingual...)
17:58
<markit>
ah, I see
18:00
any regression in 10.10 and ltsp that cames with it that I should be aware of?
18:01
<alkisg>
No idea, I'm sticking to 10.04 until the next LTS comes out :)
18:02
<markit>
good idea, but unfortunatly recent kde is not backported to 10.04, and I also needed more recent scribus-ng
18:02
also I think I'm a bit masochist... so I upgraded :)
18:02
<vagrantc>
can separate your application server from your LTSP server.
18:03
<markit>
vagrantc: is it a question?
18:04
<vagrantc>
markit: no, a statement :)
18:05
(you) can ...
18:05
<markit>
mmm interesting but sounds too complicated at the moment
18:05
expecially if maverik works fine, I do hope
18:06
<vagrantc>
hope is useful to have
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19:11
<markit>
good night :)
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19:43
<Trixboxer>
good night :)
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