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


Channel log from 17 April 2009   (all times are UTC)

00:02
<slashdotfx>
cyberorg: I've configured the session to be autologin
00:02
<cyberorg>
slashdotfx, that variable should help ^^
00:02
<slashdotfx>
will that variable help kills the previous processes?
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00:15
<slashdotfx>
ok, I see that there is this LDM_LIMIT_ONE_SESSION_PROMPT variable too
00:16
I'm setting it to False
00:16
it should kill the previous stale process without a prompt, I hope
00:20
<cyberorg>
set it to true
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01:22
<nubae>
morning cyberorg, did u see the article on oBS?
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06:24
<maginot>
Ioctl/1.1a failed: Bad File discriptor and in the other console "que, disconnect, sock, done" ... and this wasnt happening before I copy the /lib /boot from new client build to the old working build (some tweaks to try to solve the client printing problem - worked.)
06:29
<slashdotfx>
cyberorg: which one should I set to true?
06:30
I've thought (after reading S15-userLoginCheck) LDM_LIMIT_ONE_SESSION_PROMPT should be true
06:31
kill stale processes without prompting user
06:31
<cyberorg>
slashdotfx, exactly
06:32
<slashdotfx>
will it work if I set LDM_DIRECTX to true also?
06:33
<cyberorg>
yes it should
06:33
but why don't you just go ahead and try it out yourself :)
06:34
<slashdotfx>
I already did, and just about a few minutes a go, I get into trouble with some client
06:34
all the sudden the dialog box prompt showed up
06:35
in the middle of client session, after running a couple of minutes
06:48
<maginot>
and the other issue seens to be with libc, some files in openoffice are crashing
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06:57
<maginot>
ok, this question is simple, witch folder/files the client setup reads from /etc ?
06:57
(in the boot time)
06:58
which files it read from its chroot /etc on boot time (better this way)
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07:00
<slashdotfx>
plenty
07:00
I mean a lot
07:01
<maginot>
Hmmm
07:02
slashdotfx, well, I know that my Ioctl problem above is related with somewhere in /etc when I copy back from the old /etc config the client boots without problem. I just need to know which files to copy back =/
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07:05
<maginot>
wekk
07:05
<slashdotfx>
did you mean /etc under /opt/ltsp/<arch> ?
07:05
<maginot>
the problem is inside udev/
07:05
<slashdotfx>
as in chroot /etc ?
07:05
<maginot>
yep
07:06
the problem related with Ioctl above is inside udev copying udev/ from backuped etc make client boot up again
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07:17
<tadeu_>
guys, i have some workstations that boot OK.. show the ubuntu loading screen but does not show the login screen, the screen just stay black. In my lts.conf i have XSERVER = auto
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07:38
<alkisg>
!distro
07:38
<ltspbot>
alkisg: Error: "distro" is not a valid command.
07:38
<alkisg>
!dist
07:38
<ltspbot>
alkisg: "release" is please mention the linux distro and release you're using :)
07:38
<alkisg>
tadeu_: ^^^
07:39
8.10?
07:39
<tadeu_>
ubuntu
07:39
yup
07:39
<alkisg>
You also need CONFIGURE_X=true for every X** directive in lts.conf
07:39
otherwise they're ignored
07:40
so, you could e.g. try with CONFIGURE_X=true and XSERVER=vesa
07:40
<tadeu_>
alkisg, thanks... so i just need CONFIGURE_X=true XSERVER = auto
07:40
alkisg, ok thank you
07:40
<alkisg>
tadeu_: I think XSERVER=auto is implied, isn't it?
07:41
<tadeu_>
alkisg, not sure, but makes sense
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07:42
<tadeu_>
alkisg, thanks any way.. i'll test your suggest
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08:09
<X-TaZ>
Hi there
08:09
Does someone here uses gnome-watchdog ?
08:10
<tadeu_>
alkisg, it worked fine.. thanks
08:11
<alkisg>
tadeu_: in general, vesa has lower performance than your cards driver, so if performance is an issue, maybe you could try some debugging to pinpoint the problem
08:11
<X-TaZ>
I've installed it following https://help.ubuntu.com/community/UbuntuLTSP/GnomeWatchdog but I don't know how to launch it :x
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08:12
<slashdotfx>
argh, the ltsp server just freeze
08:14
<tadeu_>
alkisg, in fact i had some problems using just XDMCP the problem was the network traffic
08:14
alkisg, as i can see, LTSP i better in this point
08:15
<alkisg>
Yeah by default it uses SSH -X which also compresses the traffic. Needs more CPU, though
08:15
<slashdotfx>
X-TaZ: it should be automatically, check if there is startup script installed under /etc/X11/Xsession.d
08:16
btw, I'm using xterminator, but stop working on jaunty
08:17
<tadeu_>
alkisg, in my case i have a Quad Core with 4GB RAM... my limitation is network, that's why i'm digging solutions to speed up the network traffic
08:18
alkisg, if you have any documentation about that..
08:18
<alkisg>
Why, don't you have a 1Gb port on the switch?
08:18
<X-TaZ>
thx slashdotfx : does watchdog gives a graphical interface ?
08:19
( and yes there is a Xsession.d :)
08:19
<slashdotfx>
X-TaZ: gnome-watchdog uses gtkdialog according to the wiki
08:20
<tadeu_>
alkisg, yes, we have, but in this moment the cable and server nic is 100
08:20
<X-TaZ>
Ok.. well it dont works
08:20
<alkisg>
tadeu_: a 1Gb nic for the server is 8 euros - don't waste your time without it :)
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08:20
<X-TaZ>
** ERROR **: GtkDialog: Could not find the dialog description in the environment variable 'MAIN_DIALOG'.
08:21
<alkisg>
tadeu_: a quad core with 4 mb ram isn't enough for 10 clients on youtube with LDM_DIRECT=false :)
08:21
<slashdotfx>
sorry, I didn't use gnome-watchdog
08:21
<X-TaZ>
Ok
08:21
<tadeu_>
alkisg, =)
08:21
<slashdotfx>
I just assume gnome-watchdog use the same method as xterminator
08:21
<tadeu_>
alkisg, tell a thing..
08:22
<slashdotfx>
just today, I was looking for a way how to kill stale processes from previous session
08:22
<tadeu_>
alkisg, if i put a 1GB nic and keep the calbe (100)... it would increase the performance ? considering the higher nic cache or what else
08:22
<slashdotfx>
and cyberorg tells me to use LDM_LIMIT_ONE_SESSION in lts.conf
08:23
<X-TaZ>
And does it solve , slashdotfx ?
08:24
<alkisg>
tadeu_: afaik, it'll either synchronize at 1000mbps or at 100mbps - depending on the length and quality of the cable - I don't have much experience on this, though...
08:24
<slashdotfx>
apparently I hadn't had the time to check it thoroughly
08:24
since the workstation is currently used by users
08:24
<alkisg>
tadeu_: for 5m length cables at my school the server nic syncs at 1Gb with no problem
08:25
<X-TaZ>
I got experience in it, I'm student in networking and telecommunications : all depens on the Cat of your cable
08:25
Cat 5, 5e .. 6
08:25
<tadeu_>
X-TaZ, yeah.. right now it is 5
08:25
<slashdotfx>
to test it, my method is simple, each time the desktop showed up (autologin), I press the reset button
08:26
<tadeu_>
X-TaZ, what do you think about have a cat5 cable with 1GB nic
08:26
<X-TaZ>
Well, its possible it sync at 1Gbps, how long calbe do you have ?
08:27
<tadeu_>
X-TaZ, about 10m
08:27
<X-TaZ>
I believe it should sync a 1Gbps full duplex :)
08:27
<tadeu_>
X-TaZ, even a cat5 ?
08:28
<X-TaZ>
Yes. It works at school wth 15m cat5
08:28
<tadeu_>
X-TaZ, nice
08:28
<X-TaZ>
But we get a bit more packet loss when we get +800mbps or more
08:29
<tadeu_>
X-TaZ, how many clients ?
08:29
X-TaZ, just for curiosity
08:29
<X-TaZ>
Its not for ltsp we use it
08:30
We test it between routers for practical school works :)
08:30
We dont use ltsp at my school. I use it in the enterprise i'm working right now ...
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08:45
<jrock2004>
Running Ubuntu LTSP and when my thin clients bootup they are only getting 27MB of swap. How do I change that value to 64MB?
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08:47
<jammcq>
Gadi?
08:48
<Gadi>
morning
08:48
<ogra>
jrock2004, create an /etc/ltsp/nbdswapd.conf file on the server
08:48
<jammcq>
hey, how's it goin?
08:48
<Gadi>
can't complain
08:48
what'd I miss?
08:48
:)
08:48
<ogra>
jrock2004, SIZE=64
08:48
<jammcq>
umm, dunno, have you been gone?
08:48
<ogra>
add that
08:48
<Gadi>
hehe
08:48
jammcq: how you been?
08:48
<jammcq>
been great, as always
08:49
<Gadi>
heard a story on the radio of a guy in Michigan who didnt know his wife was pregnant until she was giving birth in the bathtub
08:49
you guys are crazy over there
08:49
<jammcq>
yeah, sounds about right
08:49
<Gadi>
:)
08:53
<jrock2004>
ogra: ok will try that
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09:02
<X-TaZ>
Gadi, she would very fat so his husband didn't see anything :x
09:02
Haha
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09:09
<tadeu_>
guys, still about net work traffic, what about using NETWORK_COMPRESSION=true ?
09:09
the default is unset
09:12
<jrock2004>
ogra: Do I have to set anything in the lts.conf
09:12
<ogra>
no
09:13
nbdswapd creates the swapfiles if the clients connect
09:13
<rjune>
!o
09:13
<ltspbot>
rjune: Error: "o" is not a valid command.
09:13
<jrock2004>
ogra: ok cool stuff I just checked the tmp directory and there is a 64MB file in there
09:13
<ogra>
have a look inside the nbdswapd script there are some more vars you can change
09:14
<rjune>
ogra, howdy, been a while
09:14
<ogra>
i.e. if your server has enough spare ram, try to create the swapfiles in a tmpfs ;)
09:14
hey rjune
09:15
busy busy busy ... getting the ubuntu ARM world in shape
09:15
but Rc was released yesterday so i can slow down a bit after nearly three weeks without sleep
09:15
<rjune>
cool deal
09:16
I got an OpenMoko phone
09:16
<ogra>
heh, the HW i work with/for has 800MHz/512M :)
09:16
<rjune>
yeah I know
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09:17
<vagrantc>
tadeu_: haven't seen reports of NETWORK_COMPRESSION actually benefiting much, if anything, and some reports that it actually slows down the connections
09:17
<ogra>
openmoko isnt really my target ...
09:17
<rjune>
I'm aware ogra.
09:17
It wasn't mine either. I had one fall into my lap
09:17
<ogra>
heh
09:21
<tadeu_>
vagrantc, well, i have about 15 clients.. really don't if it really necessary, especially considering your review
09:23
<vagrantc>
doesn't even look like the current code supports it
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09:56
<jrock2004>
ogra: Is that your hardware for your thin clients?
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<warren>
_UsUrPeR_: ping
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14:35
<Lns>
This chan is pretty dead on Fridays, eh?
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19:49
<slashdotfx>
!pastebin
19:49
<ltspbot>
slashdotfx: "pastebin" is try !pastebot
19:49
<slashdotfx>
!pastebot
19:49
<ltspbot>
slashdotfx: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
19:50
<slashdotfx>
pastebot error
19:50
give me 404
19:52
help me out with these issues with nbd http://ltsp.pastebin.com/f3a894116
19:53
it happens after I update and add openssh-server, wakeonlan in chroot
19:53
running jaunty
20:07
as per edubuntu mailing list, http://www.nabble.com/random-clients-stall-out-at-Error:-Ioctl-1.1a-failed:-Bad-file-descriptor-td20858391.html
20:18
ok let me refine my problem
20:19
if I run ltsp-build-client, the desktop went ok
20:19
but when I started to add openssh-server and wakeonlan, and ltsp-update-image, the client went stalled
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