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


Channel log from 5 June 2011   (all times are UTC)

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02:53
<fossala>
I have my server and my test thin client. I took peoples advice and went all gigabit. Switch is going to arive over the next couple of days. My last question is my ethernet cables are cat5e, is it worth to buy some cat6?
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03:51
<muppis>
fossala, at least for server.
03:54
I don't think you got 1 Gbps at clients, so that not so crucial.
03:56
<Hyperbyte>
Cat5e supports gigabit at full speed doesn't it? I thought Cat6 was only more shielded.
03:56
<muppis>
IIRC, yes.
03:58
<Hyperbyte>
Hm, apparently Cat6 also has less latency
04:14
<muppis>
I switched back to thin. Lot faster for loading.
04:19
<fossala>
muppis: thanks
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06:56
<TheMatrix3000>
need help
06:57
my ltsp clients are in a Received DHCP NAK
06:57
Sending discover loop
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07:40
<alkisg>
TheMatrix3000: distro/version?
07:42
<TheMatrix3000>
10.04
07:42
i remember you helped me before but i did a kernal update and lost my config
07:43
i need to have the quiet splash removed from the pxelinux.cfg/default right?
07:43* ball guesses that's an Ubuntu number.
07:43
<TheMatrix3000>
nope, didn't fix it
07:43
im getting a Sending discover Sending select Recieved DHCP NAK look
07:43
loop
07:44
let me pastebin the files
07:44
one sec
07:44
<alkisg>
TheMatrix3000: a quick fix is to put ipappend 3 at a new line in the end of pxelinux.cfg/default
07:44
<TheMatrix3000>
yea, its there
07:44
didn't work
07:44
<alkisg>
It doesn't make sense, you're missing something
07:44
ipappend 3 means: "don't ask the dhcp server"
07:45
So there's no way he'd receive a nak for that
07:45
Can you paste your pxelinux.cfg/default ?
07:45
(in pastebin)
07:45
<TheMatrix3000>
:/opt/ltsp/i386/boot/pxelinux.cfg/default http://pastebin.com/LRGdnueq
07:46
<alkisg>
Not that one
07:46
/var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
07:46
<TheMatrix3000>
k
07:46
i was going to give you all of them
07:46
to check for me
07:46
<alkisg>
And also, you don't have "ipappend 3" on the file you just pasted
07:46
<TheMatrix3000>
i know i removed it from that one lol
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07:48
<TheMatrix3000>
http://pastebin.com/avnYxpJN
07:49
<alkisg>
OK. Now after all those naks, do you get a busybox shell on the client?
07:49
<TheMatrix3000>
i may have fixed it
07:49
<alkisg>
Ah ok
07:49
<TheMatrix3000>
its setting up ltsp client starting ltsp client
07:49
<alkisg>
Right it's past the dhcp stage
07:49
<TheMatrix3000>
i may need to put quiet back into that one file right
07:49
which one should i put it on so that these configs don't change again
07:50
<alkisg>
quiet splash is just for the splash screen
07:50
It doesn't make an actual difference, it's just for effect, you can either put them or leave them, however you like
07:50
<TheMatrix3000>
should i copy the /var/lib one to the opt/ltsp one
07:50
or does it not matter
07:50
<alkisg>
See comment #13 in https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/420587
07:50
It explains how to make your changes permanent
07:51
I.e. in /etc/ltsp/update-kernels.conf
07:51
<TheMatrix3000>
ah ok
07:51
yea, i saw that
07:51
i was going to post that on pastebin as well
07:52
actually it was ltsp-update-image.conf
07:52
<alkisg>
Uh sorry wrong link
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07:53
<TheMatrix3000>
http://pastebin.com/8kNn2wkQ
07:53
like that for teh ltsp-update-image.conf
07:53
right
07:54
<alkisg>
TheMatrix3000: IPAPPEND=3
07:54
You forgot the equal sign
07:54
(it's different there, it's a shell file)
07:54
<TheMatrix3000>
good catch
07:55
and i just did a sudo cp /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default /opt/ltsp/i386/boot/pxelinux.cfg/default
07:55
so that everything matches up
07:55
<alkisg>
OK - ltsp-update-image --force would have done that too, but what you did was faster.
07:55
<TheMatrix3000>
so next time to do a ltsp-update-kernel it won't rewrite my files right
07:55
<alkisg>
Right
07:55
<TheMatrix3000>
seriously, i hope you get paid to help people in this chat room
07:55
<alkisg>
Nope :)
07:56
<TheMatrix3000>
cause it seems that you are god in here lol
07:57
<alkisg>
Haha nah lots of people here are more knowledgable - I just talk more :D
07:58
<TheMatrix3000>
yea, all this started when i basically decided to chroot dist-upgrade
07:58
lol
07:58
you helped me getting it working before
07:58
<alkisg>
It shouldn't be a problem, you just hit a bug with udhcpc which was solved later on
07:58
<TheMatrix3000>
but doing teh dist-upgrade overwrote the changes
08:03
eek, now i can't login
08:03
no bueno
08:04
says Verifying Password. Please wait. then reloads the inital screen
08:04
<andygraybeal>
do you have to do the ssh-key update thingie?
08:05
pay no attention to me thuohg!
08:06
<TheMatrix3000>
lets try it
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08:08
<TheMatrix3000>
yep
08:08
andy that worked
08:09
i thought that was just after you changed the server ip address
08:09
didn't know that also applied to ipappend
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08:09
<Gnoze5>
YELLOW!
08:09
:)
08:35
<andygraybeal>
hi Gnoze5 :)
08:36
TheMatrix3000, oh dood, awesome! i'm glad i could help
08:37
i'm never very helpful :)
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09:40
<Gnoze5>
So im trying to get x11vnc to work client side on 10.04
09:40
installed it on chroot, changed rc.local to make it run on display 6
09:40
updated the image
09:41
and I get the failed to load display error
09:42
XOpenDisplay failed (:6)
09:42
<alkisg>
So before going down that path, did you try italc and it didn't work for you?
09:42
<Gnoze5>
I did try iTalc on one of our ltsp installs
09:43
but i wasnt convinced especially because it wasnt very clear what was going on
09:43
and I wanted to understand
09:43
as well as be able to control it
09:43
because we want to build a web app to do the same sort of thing
09:43
using an html5+js VNC client
09:44
<alkisg>
And also, if the person that needs vnc access also has root access, you can invoke x11vnc directly on the server, no need to install it to the chroot and have it waste ram all the time... is this the case?
09:44
I.e. how is the user going to "authenticate" for a vnc session?
09:44
<Gnoze5>
yes, i dont want to be limited to one default setup
09:44
I want to test the different ways of having remote control
09:45
the purpose of remote control in our case is simply for help desk
09:45
and maybe to give training to future users
09:45
<alkisg>
OK. Then, why isn't the default gnome vnc server enough? (vino-server)
09:46
<Gnoze5>
tbh i was trying out x11vnc after i found out you were using it for your custom made app
09:46
I like to try different options out
09:47
<alkisg>
We're not using x11vnc as a server
09:47
We're using reverse connections instead
09:47
That way we don't have to authenticate, the connection is initiated from the student environment
09:47
(even though that comes from the teacher GUI)
09:48
So the command is `x11vnc -connect teacher-pc`
09:48
<Gnoze5>
I see
09:48
<alkisg>
If you want a daemon, why not use the already existing gnome vnc daemon there?
09:48
<Gnoze5>
that was my first thought
09:49
<alkisg>
We wanted to save ram + avoid the authentication problem, so we're using reverse connections instead. And if vino-server supported reverse connections we'd use that, but it doesn't (yet)
09:49
<Gnoze5>
the one person who we want to access the users shared desktop will be the sysadmin
09:50
<alkisg>
Then he doesn't need a vnc server running at all
09:50
He can invoke a vnc server in the user's environment any time he wants to, as all the sessions are running on the server
09:51
<Gnoze5>
in case I have decent clients though I could pass part of the load to the client
09:51
<alkisg>
http://pastebin.com/aWASVFab
09:51
ltsp-exec: a script to execute a GUI command to all the connected users
09:51
Then use vino-server
09:52
(for fat clients. For localapps, the ltsp-exec script above should still work)
09:53
<TheMatrix3000>
anyone know where i should look if i want to customize the boot splash
09:53
<Gnoze5>
alkisg makes perfect sense.
09:54
once again, thanks for the help
09:54
<alkisg>
np
10:01
<TheMatrix3000>
alkisg, do you know how to change the splash screen on ubuntu in ltsp
10:01
<alkisg>
TheMatrix3000: it's not ltsp related, ask in #ubuntu
10:09
<TheMatrix3000>
alkisg, will i have to install it on the ltsp with chroot?
10:09
the gnome-splashscreen-manager
10:09
or just on the terminal server itself
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11:10
<fossala>
Has anyone managed to get dual monitors running?
11:10
<Hyperbyte>
Yessir.
11:10
:)
11:11
<fossala>
How hard is it? I have to normaly set modelines for my monitors to hit there native 1680x1050.
11:13
<pmatulis>
fossala: if that's needed then you can do it on a client-by-client basis (in lts.conf)
11:13
<Hyperbyte>
fossala, show output of xrandr
11:14
<fossala>
I've not got it set up yet. Thats tomorrows job.
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11:45
<fossala>
Is there a place with ldm themes?
11:51
<vagrantc>
a place?
12:39
<fossala>
Sorry website with ldm themes?
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14:36
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16:28
<sunscreen>
aha! here you are... i should of known :)
16:28
can I disabled the dhcp client some how?
16:29
<vagrantc>
with LTSP? how would you configure the networking for the thin clients?
16:29
<sunscreen>
bios pxe get the ip address
16:29
gets
16:30
<vagrantc>
you can get it to only do DHCP once, and re-use the networking from the pxe client
16:30
<sunscreen>
ah how how :) ?
16:30
<vagrantc>
configure pxelinux to use IPAPPEND
16:31
<sunscreen>
k /me looks it up
16:32
<vagrantc>
see /usr/share/doc/syslinux/syslinux.txt.gz
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17:22
<sunscreen>
failed
17:23
IPAPPEND=3 BOOTIF=00:1e:0b:80:a3:09 should be correct yes?
17:23
and another issue i have is it wont let me login just says incorrect password..
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17:25
<sunscreen>
also this in syslog: Jun 6 01:18:48 audioprocessor dhcpd: No hostname for 192.168.1.100
17:25
Jun 6 01:18:48 audioprocessor dhcpd: DHCPDISCOVER from 00:1e:0b:80:a3:09 via eth0
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17:37
<sunscreen>
hmm
17:37
missing parameter
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17:59
<sunscreen>
kk :)
17:59
fixed the dhcp issue
17:59
now it just needs to let me login?
18:02
I did ltsp-update-sshkeys and update-image *which btw broked my pxelinux.cfg/default file
18:02
but i still cant login
18:02
the screen goes black like its going in but then returns back the login screen
18:05
actually its logged in but i get nothing!
18:05
i know its logged in because: Last login: Mon Jun 6 01:57:24 2011 from 192.168.1.209
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18:17
<naughtyscreen>
hehe
18:17
it works :D but not as we know it jimm
18:18
logged in as local root :[
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18:42
<sunscreen>
hmms
18:42jobuntu (~jon@202-89-181-178.static.dsl.amnet.net.au) joined #ltsp.
18:42
<sunscreen>
i think its cause i am already on X as the user I am trying to log in with
18:42
going to confirmm
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18:45
<test>
Yay!!!!
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18:55
<jobuntu>
hi everyone. Using rdesktop works fine with RDP_* options, but can't reach windows login screen when using the one-liner command, eg SCREEN_XX = "rdesktop [OPTIONS] IP". The screen stays blank, with what looks like a windows mouse. Any ideas?
19:47
<sunscreen>
ah damn it
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19:57
<sunscreen>
need help getting nvidia card to work right
19:57
wait
19:58
i just realized
19:58
its the card of the client that needs to work right
19:59
the buttons are got black backgrounds instead of transparent
20:03
+ transparency not working with intel driver and LTSP
20:03
noooooooooooooooooooooo
20:03
whhhhy
20:03
why
20:03
oh why
20:03
:(
20:03
#$!"$!%$@#%
20:10
well i got far with it...only issue is that issue right there... but i am mad as a snake now.. i havd vbox setup for rdp not sure how to get to it from ltsp client but hey hey .. so now i going to have to replace 5 graphics cards cause of that bull crap
20:10
suddenly saving of terminal server got shafted
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20:50
<alkisg>
jobuntu: distro/version?
20:50
<jobuntu>
ubuntu 11.04
20:51
<alkisg>
Hmmm there was a problem with rdesktop.sh missing, but it should be there in 11.04, so no it's not that.
20:51
<jobuntu>
yeah, it's there. even tried editing it directly, but still no luck
20:52
<alkisg>
But if RDP_OPTIONS is working, why do you need to specify it in a one-liner?
20:54
<jobuntu>
alkisg: I need multiple rdesktop connections
20:54
Is there another way to do it?
20:55
<alkisg>
I don't think so... let me quickly check the sources for possible bugs...
20:56
Yeah no parameters are passed to rdesktop.sh
20:57
In /opt/ltsp/i386/usr/share/ltsp/screen.d/rdesktop
20:57
xinit $xinitrc sh /usr/share/ltsp/rdesktop.sh -- ${DISPLAY} vt${TTY} ${X_ARGS} -br >/dev/null 2>&1
20:57
Try changing that to:
20:57
xinit $xinitrc sh /usr/share/ltsp/rdesktop.sh "$@" -- ${DISPLAY} vt${TTY} ${X_ARGS} -br >/dev/null 2>&1
20:57
And run sudo ltsp-update-image
20:58
If that works, file a bug report in launchpad
21:00
<jobuntu>
grrr, been looking through that code for too long, can't believe I didn't see that. rebuilding img now... that's probably it, thx so much
21:00
perfect
21:02
<alkisg>
It seems to have broken in revision 1760, when rdesktop.sh was introduced: http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/revision/1760
21:03
So probably 10.10 is also affected
21:05
<jobuntu>
alkish: it's already on launchpad https://bugs.launchpad.net/ltsp/+bug/682706
21:05
they're using the "single word" positional parameters ($*) vs $@
21:07
<alkisg>
jobuntu: if you want also mark it "also affects distribution: ubuntu" and mention the revision where it broke
21:07
<jobuntu>
will do
21:07
<alkisg>
("$@" is better than "$*", it allows spaces in the command line parameters but shouldn't matter so much here)
21:10
sunscreen: why not just install the nvidia drivers in the chroot?
21:12
<jobuntu>
alkisg: done. thx heaps
21:12
<alkisg>
You're welcome
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00:00--- Mon Jun 6 2011