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


Channel log from 18 February 2011   (all times are UTC)

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03:31
<vishal>
I have configured the ltsp
03:31
but client is not booting , asking for tftp faild
03:32
help me out
03:34
<alkisg>
!tftp
03:34
<ltspbot>
alkisg: Error: "tftp" is not a valid command.
03:35
<alkisg>
!learn tftp as here's a page to help you troubleshoot TFTP problems in Ubuntu: https://help.ubuntu.com/community/UbuntuLTSP/Troubleshooting/TFTP
03:35
<ltspbot>
alkisg: The operation succeeded.
03:40
<zamba>
is it possible to set default printer per thin client machine?
03:41
<muppis>
Sure, it's set in lts.conf
03:46
<elias_a>
Is it possible to use group based default printers together with that?
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03:49
<vishal>
tftp 10.160.31.10 -v -m binary -c get /ltsp/i386/pxelinux.0 ,,,,,,,,,,,,,,,,,when I am typing this ......it is giving //////// error code found : fine not found
03:49
help me out
03:49
<zamba>
muppis: oh, ok, interesting :)
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04:16
<alkisg>
vishal: it says to install the tftp client before issuing that command
04:17
sudo apt-get install tftp-hpa
04:17
vishal: what distribution are you using, and which version?
04:18
<vishal>
ubuntu 10.04 , and i have already installed tftp-hpa
04:18
same error is comming
04:19
<alkisg>
vishal: so you checked everything that is on that wiki page, and you couldn't find your problem?
04:19
I.e. you checked /etc/default/tftpd-hpa, and you checked that the file is there etc?
04:20
vishal: also, did you use your server IP there?
04:20
Or did you just blindly put 10.160.31.10, which is just an example?
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04:23
<vishal>
alkisg : that file is there (/etc/default/tftpd-hpa)
04:23
no i pur server ip
04:23
<alkisg>
vishal: yes, I know, but in the wiki page it says to check if it is *correct*
04:23
Not just if it's there
04:24
And, also, to check if the file /var/lib/tftpboot/ltsp/i386/pxelinux.0 is *there*
04:24
vishal: I'm in the middle of something so I don't have much time for chat, would you like to share your screen remotely so that we can solve this in 1-2 minutes?
04:24
<vishal>
k tell me how to check that file tftpd-hpa
04:25
k
04:25
<alkisg>
It says how to check in the wiki
04:25
OK
04:25
Do you have a GUI?
04:25
Or just ssh access on the server?
04:25
<vishal>
yes
04:25
<alkisg>
Run: sudo apt-get install x11vnc
04:25
And then: x11vnc -connect alkisg.dyndns.org
04:25
This will share your screen with me
04:27
If you are on a thin client, you need -noshm. So instead run: x11vnc -noshm -connect alkisg.dyndns.org
04:30
<zamba>
muppis: i don't find the option
04:30
for setting the default printer per thin client
04:32
<vishal>
you got my desktop
04:32
<alkisg>
vishal: no
04:32
x11vnc -noshm -connect alkisg.dyndns.org
04:32
And see if it displays any errors
04:34
<vishal>
The VNC desktop is: ltsp:0 PORT=5900
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04:37
<alkisg>
vishal: no, I didn't receive a connection
04:37
<vishal>
after that noting is comming /var/lib/tftpboot/ltsp/
04:37
<alkisg>
Let's try without a GUI
04:37
<vishal>
tell me what i do
04:37
k
04:37
<alkisg>
sudo apt-get install screen socat
04:38
<vishal>
k
04:38
then
04:38
<alkisg>
socat SYSTEM:"sleep 1 && exec screen -x",pty,stderr tcp:alkisg.dyndns.org:5500 & exec xterm -e screen -l
04:38
<vishal>
alkisg: then
04:39
my screen will gone
04:39
u got it
04:39
<alkisg>
Nope
04:39
<vishal>
k
04:40
tell me the solution
04:40
<alkisg>
Let's try with a little different command: socat SYSTEM:"sleep 1 && exec screen -x",pty,stderr tcp:alkisg.dyndns.org:5500 & exec screen -l
04:40
This is without xterm, maybe you have X problems
04:41
<vishal>
u got it
04:41
<alkisg>
Nope, sorry
04:41
I don't know what's wrong
04:41
<vishal>
it is like clean the screen
04:41
i don't know
04:41
<alkisg>
But I don't have any time left, I need to leave
04:41
I'll be back later on if you don't find the solution
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04:42
<vishal>
tell me i could not found /var/lib/tftpboot/ltsp/
04:42
<alkisg>
But read the wiki page carefully, and follow all the steps there
04:42
bb
04:42
<vishal>
k
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04:55
<muppis>
zamba, LDM_PRINTER_DEFAULT is correct parameter.
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05:16
<zamba>
muppis: and that refers to the cups printers?
05:17
muppis: can you create a group of hosts in lts.conf?
05:22
<muppis>
zamba, yes, that refers to cups. I think that setting must be created per client, but you create setting stanzas to act like a group. Look here for example: http://manpages.ubuntu.com/manpages/lucid/man5/lts.conf.5.html#contenttoc14
05:24
<zamba>
muppis: oki
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06:02
<zamba>
i have a strange problem with my thin clients.. the resolution is too low at the first boot up
06:02
but after a login and then logout, the resolution is correct
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06:09
<zamba>
i believe the problem can be amended just by restarting the xdm.. is it possible to issue one simple restart of it after boot-up?
06:13
nevermind.. it's called ldm :)
06:18
that's the only thing i need to figure out before i can set these up in production
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06:24
<alkisg>
zamba: try putting "nomodeset" in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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07:06
<zamba>
alkisg: ok
07:07
alkisg: as a single line?
07:07
alkisg: or as a kernel mode
07:07
after the append?
07:11
<alkisg>
zamba: replace "quiet splash" with "nomodeset"
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07:11
<zamba>
alkisg: ok, will give that a try
07:16
<Masdjo>
I install LTSP in Debian 6, client can get IP but can't boot to server
07:17
<alkisg>
Masdjo: last messages on screen?
07:18
<Masdjo>
no network device
07:21
<alkisg>
Masdjo: read this: https://help.ubuntu.com/community/UbuntuLTSP/AddingModules
07:22
<Masdjo>
i have ubuntu LTSP and work well
07:23
<alkisg>
Masdjo: no, I mean to read what it says and do it on the debian server
07:23
<Masdjo>
OK, i wil try, thank you
07:23
<alkisg>
Ubuntu and Debian are very similar, I bet the problem you have is a missing network module and you can fix it with that page
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07:29
<zamba>
alkisg: well.. that didn't work at all.. now all i get is a blank screen
07:29
<alkisg>
zamba: what network card does the client have?
07:29
***graphics card
07:30
Restore the nomodeset change, and run `lspci -nn -k | grep -A 2 VGA` in a localxterm to find out the model
07:30
!localxterm
07:30
<ltspbot>
alkisg: "localxterm" :: while sitting on a thin client, open a gnome terminal. In that, run: ltsp-localapps xterm. An xterm will open. That xterm runs locally, so any commands you enter there are executed directly on the client.
07:30
<zamba>
alkisg: nvidia nv5m64 riva tnt2
07:31
<alkisg>
So it uses the nouveau driver?
07:31
Or it's too old and it uses nv?
07:32
<zamba>
alkisg: have no idea.. how do i check?
07:32
<alkisg>
zamba: see the command I wrote 5 lines above
07:35
<zamba>
i'll check.. just have to wait for the upgrade of the server to complete
07:35
<alkisg>
I don't know if it's related, but you don't need to upgrade every time you change lts.conf or pxelinux.cfg/default
07:36
<zamba>
nope, not related.. doing a karmic -> lucid upgrade
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07:37
<alkisg>
OK. You need to rebuild the chroot after upgrades, i.e. delete /opt/ltsp and run ltsp-build-client.
07:44
<zamba>
yup
07:45
what about flash? has there been any developments there recently?
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07:45
<zamba>
the only solution is to run firefox locally?
07:46
and another question.. i want to enable auto login as the guest user
07:46
the guest user that basically just logs on with username/password set to the hostname
07:46
<alkisg>
!lts.conf
07:46
<ltspbot>
alkisg: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
07:47
<alkisg>
See the man page, it mentions LDM_AUTOLOGIN
07:47
<muppis>
zamba, you can run it at server if you use LDM_DIRECTX
07:47
<zamba>
muppis: run what at a server?
07:48
<muppis>
zamba, FF/Flash
07:48
<zamba>
muppis: i've set it, but it's impossible to play back flash videos
07:48
muppis: like youtube and so on
07:48
<muppis>
I did so and 480p played almost smoothly.
07:48
<alkisg>
With LDM_DIRECTX=True you can playback youtube video, but not fullscreen
07:48
<zamba>
yeah, the problem is fullscreen
07:49
and it's also laggy when not in fullscreen
07:49
<alkisg>
Full screen video can be played by any app that supports XVideo acceleration (i.e. totem, vlc etc)
07:49
<muppis>
But gotta go.
07:49
<alkisg>
The nv drivers in Karmic are really bad, they don't support XV. In Lucid, nouveau is better.
07:50
<zamba>
we'll see what happens after the upgrade to lucid is completed
07:50
maybe that'll fix a lot of things
07:50
<alkisg>
Not full screen flash though :)
07:50
You need either localapps or fat clients for that
07:51
<zamba>
k
07:51
will try a restart here now..
07:51
<alkisg>
!flash
07:51
<ltspbot>
alkisg: "flash" :: Yes, flash sucks. Make sure you have LDM_DIRECTX=True in your lts.conf file, or if it's just youtube you're after, try some flash replacing plugin like https://addons.mozilla.org/el/firefox/addon/161869/ (per user installation, gecko-mediaplayer is also needed).
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08:31
<Masdjo>
still no succes on Debian 6 LTSP :(
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08:40
<alkisg>
Masdjo: does the kernel load?
08:41
<Masdjo>
i have add network module (8139too) but still cant boot
08:42
<alkisg>
(04:42:08 PM) alkisg: Masdjo: does the kernel load?
08:42
I mean, do you see "loading..." when the kernel starts?
08:42
<Masdjo>
tftp://0.0.0.0//ltsp/i386/pxelinux.0 ......
08:42
<alkisg>
0.0.0.0? That doesn't look right
08:42
What is your server IP?
08:43
<Masdjo>
192.168.0.17
08:43
<alkisg>
Can you post your /etc/ltsp/dhcpd.conf to pastebin?
08:43
!pastebin
08:43
<ltspbot>
alkisg: "pastebin" :: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
08:46
<Masdjo>
http://ltsp.pastebin.com/vRr66Lj9
08:47
i stil use default dhcpd with little modification of IP
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08:49
<alkisg>
Masdjo: ltsp overrides the default dhcpd file with /etc/ltsp/dhcpd.conf
08:49
Which file did you post? From what path?
08:50
<Masdjo>
/etc/ltsp/dhcpd.conf
08:51
<alkisg>
OK. Do you have another dhcp server running?
08:51
E.g. in your router?
08:51
(in the same subnet)
08:51
<Masdjo>
i use adsl modem wih dhcp (192.168.1.1)
08:51
<alkisg>
You can't have 2 dhcp servers in one subnet
08:52
<Masdjo>
i also have proxy server at 192.168.0.19
08:52
<alkisg>
Choose which one you want to keep
08:52
Are they on the same subnet? Or you have 2 network cards in your LTSP server and they are on separate subnets?
08:53
<Masdjo>
modem use different subnet (192.168.1.0), ltsp = 192.168.0.0
08:53
<alkisg>
No, I mean physical subnet
08:53
<Masdjo>
its works well on ubuntu ltsp
08:53
<alkisg>
Do you have 1 switch, where all the cables get connected?
08:54
It's a broken setup. First step is to fix it :)
08:54
<Masdjo>
modem--->proxy server---switch---LTSP server & client
08:54
<alkisg>
So the proxy server has 2 network cards?
08:54
<Masdjo>
yes
08:55
<alkisg>
OK, if it doesn't do NATting then they are separate subnets
08:55
From your server, try this as root: /usr/lib/klibc/bin/ipconfig -n eth0
08:55
And check that it *doesn't* return an IP assigned by your router
08:57
If you got an IP there, paste the result to pastebin
08:58
<Masdjo>
only one line : IP-Config: eth0 hardware address 00:1d:0f:20:1b:c4 mtu 1500 DHCP RARP
08:58
<alkisg>
OK, nice
08:58
Now, please write as many lines from the client as you can
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08:58
<alkisg>
Like the one you wrote above with tftp://0.0.0.0//ltsp/i386/pxelinux.0 ......
08:59
I.e. what IP it gets, what subnet, whatever it reports there
08:59
<Masdjo>
ok, wait a minute :)
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09:10
<Masdjo>
http://ltsp.pastebin.com/MUfzd2au
09:11
i'm so sorry for wait along time :)
09:12
<alkisg>
Masdjo: is your tftp server running?
09:12
netstat -nap | grep :69
09:12
<Masdjo>
yes
09:13
udp 0 0 0.0.0.0:69 0.0.0.0:*
09:13
1633/in.tftpd
09:14
<alkisg>
Try to uncomment line #13 in your /etc/ltsp/dhcpd.conf, and to put your ltsp server IP there:
09:14
next-server 192.168.0.17;
09:14
Then restart your dhcp server: invoke-rc.d dhcp3-server restart
09:14
And reboot client
09:14
<Masdjo>
ok
09:16
debian squeeze use isc-dhcpd
09:16
<alkisg>
Yes, that's dhcp3-server
09:17
<Masdjo>
Wooow...you are amazing...its works now :D
09:17
<alkisg>
Nice, it looks like a broken boot rom
09:17
It should use the boot server if next-server isn't defined
09:17
<Masdjo>
i use CDROM to boot
09:17
<alkisg>
But anyway
09:17
Ah, what cdrom? etherboot?
09:17
!gpxe
09:17
<ltspbot>
alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
09:17
<Masdjo>
gpxe
09:17
<alkisg>
Which version?
09:18
<Masdjo>
mix, from 0.96 to 1.00
09:18
its works well before, on ubuntu ltsp
09:18
<alkisg>
Hm... weird
09:18
<Masdjo>
I can't say anything, but thank you very much :D
09:19
<alkisg>
If you want, you can remove that #next-server line again, and run `config` in the command line of gpxe
09:19
This way you'll see what dhcp3-server sends
09:19
But since it works, I don't think it's worth it to troubleshoot it more :D
09:19
OK
09:20
<Masdjo>
alkisg : now i want try it, and may God bless you, thanks :D
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10:20
<tompis>
hi, im having trouble with ltsp-build-client, it returns the error: /usr/share/ltsp/plugins/ltsp-build-client/common/010-chroot-tagging: line 3: /opt/ltsp/i386/etc/ltsp_chroot: No such file or directory
10:20
im running Linux Mint debian edition
10:21
prior to ltsp-build-client I did install ltsp-standalone via synaptic pm
10:22
sources.list is as it came after install:
10:23
deb http://packages.linuxmint.com/ debian main upstream import
10:23
deb http://ftp.debian.org/debian testing main contrib non-free
10:23
deb http://security.debian.org/ testing/updates main contrib non-free
10:23
deb http://www.debian-multimedia.org testing main non-free
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