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


Channel log from 19 August 2012   (all times are UTC)

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12:03
<piet>
@alkisg Would You mind having another look concerning my mail?
12:03
<alkisg>
piet: in a few hours I'll be back, was going for lunch now
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17:17
<Hyperbyte>
I have some NFS-available /data/ paritions I want to mount on a thin client. How can I accomplish this?
17:18
** fat client, not thin
17:18
I should also say "all fat clients"
17:18
And this is using ltsp-pnp on Edubuntu 12.04
17:20
<stgraber>
Hyperbyte: I suppose you can simply add an fstab entry to your chroot, that should do the trick
17:22
<Hyperbyte>
stgraber, doesn't LTSP take over /etc/fstab?
17:23
Hrm, looking at source it does, but there's FSTAB_0-9 options
17:23
For extra lines
17:24
<stgraber>
it only seems to wipe /etc/fstab if CONFIGURE_FSTAB is set to true
17:24
but yeah, apparently you can set CONFIGURE_FSTAB to true, then set FSTAB_0 = to what you want
17:24
<Hyperbyte>
Well if there's FSTAB_0-9 for adding extra lines I really don't need to stop it from wiping fstab, I can then just add my mounts. :)
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17:25
<stgraber>
yep, just make sure you set CONFIGURE_FSTAB to true too or FSTAB_X will be ignored
17:25
<Hyperbyte>
Yep.
17:25
Will do, thanks. :)
17:27
<alkisg>
CONFIGURE_FSTAB is true by default...
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17:29
<stgraber>
hmm, indeed, misread the test in 50-fstab
17:29
it only checks ! boolean_is_true if CONFIGURE_FSTAB contains something
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18:19
<piet>
@alkisg Hi, need the address again. Its a different ws and server, if You'd be ready sneek . . .
18:19
<alkisg>
piet: hi there... is the connection as slow as the other one? It'd be better to do it text-based then, instead...
18:19
Anyways, x11vnc -connect alkisg.dyndns.org
18:20
<piet>
@alkisg yes
18:20
<alkisg>
OK, let's start with VNC and I'll spawn a console afterwards
18:20
<piet>
@alkisg what shall I do?
18:21
<alkisg>
sudo apt-get --yes install x11vnc; x11vnc -connect alkisg.dyndns.org
18:23
Or, if you prefer text-based: sudo apt-get --yes install socat screen
18:23
socat SYSTEM:"sleep 1; exec screen -xRR ra",pty,stderr tcp:alkisg.dyndns.org:25547 & screen -l -S ra
18:24
piet: it's slow, so run the text-based commands instead
18:37
<piet>
@alkisg If that was a question, yes its for fat-clients . . .
18:38
<alkisg>
piet: ok, you had a lot of previous kernels so I removed them to make the image smaller
18:38
<piet>
@alkisg There was something wrong with the kernel?
18:38
<alkisg>
It's just a matter of space, nothing serious
18:39
<piet>
@alkisg Is it supposed to work right after this?
18:39
<alkisg>
No, we didn't solve the boot problem yet
18:46
<piet>
@alkisg So You had to purge and install the ltsp-server again. Is it another version now?
18:47
<alkisg>
piet: no, that part just takes care of the configuration files
18:47
You can newer nbd-server configuration files, and you needed the older ones
18:47
s/can/had
18:47
Normally we'd revert the configuration files in a less intrusive way, but that way it requires less ...sysadmin time :D
18:48
piet: try to boot a client
18:49
<piet>
@alkisg Can I still copy the Image from the source-server /the one yesterday) after this action?
18:50
<alkisg>
piet: I thought you already done that... sure, but the kernel purging that we did will get "lost" again, but it doesn't matter
18:50
piet: you have isc-dhcp installed in this server, right?
18:50
And also some network bridge...
18:50
What does the client show when you try to boot it?
18:50
<piet>
@alkisg yes
18:51
@alkisg trying now . . .
18:54
@alkisg I have to cut the connection for this, cause communication is over ltsp on the other server and both servers are in the net presently. I have o take hera out to test hestia . . . is that ok for You?
18:54
<alkisg>
piet: sure, np
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19:01
<piet>
@ alkisg yes, it looks as if it works. Let me explain:
19:02
@alkisg These are supposed to be two servers connected via openvpn bridge with dhcp and ltsp on both sides.
19:03
@ alkisg and I want to copy regularily the ready image from my server to the target.
19:03
<alkisg>
piet: ah, then you don't need /opt/ltsp/i386, but only /opt/ltsp/images/i386.img and the tftp dir
19:03
<piet>
@ alkisg so that the admin on other side has no work with ltsp at all
19:05
@ alkisg or running update-image after every backup, if I understood correct?
19:06
<alkisg>
piet: yes, but that would take more time, and you need to be more careful about how you copy /opt/ltsp/i386 so that you don't lose ownership/attributes of the chroot files
19:07
<piet>
@ alkisg ok, if I only copy the image file where is this tftp-dir to include in the copying?
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19:07
<alkisg>
piet: /var/lib/tftpboot
19:07
I.e. you need to be able to serve the kernels to the clients via tftp
19:08
<piet>
@ alkisg didn't get that
19:09
<alkisg>
piet: as root on server2: rsync -a server1:/var/lib/tftpboot /var/lib/tftpboot
19:09
Theory: ltsp-update-kernels copies the chroot kernels from /opt/ltsp/i386/boot to /var/lib/tftpboot/ltsp/i386/*
19:10
So, you need to transfer them from server1 to server2
19:10
And you also need the squashfs image, /opt/ltsp/images/i386.img
19:10
With that dir and that file, you're duplicating your server, and the clients are able to boot
19:12
<piet>
@alkisg so copy image file and copy complete var/lib/tftpboot (with attributes!) and that's it, right?
19:12
<alkisg>
Yup
19:13
piet: I think you're also missing the nbd swap file setup
19:13
Can you vnc to me again?
19:13
<piet>
@ alkisg ok
19:15
<alkisg>
piet: ssh to server 1 in one tab,
19:15
and to server2 in another tab
19:15
if possible..
19:15
So that we copy the swap file configuration
19:16
<piet>
@ alkisg ok, wait a moment have to run to the second one (long way) . . .
19:19
@alkisg so, ready in two tabs . . .
19:21
<alkisg>
piet: the file is missing from both servers, wait a bit...
19:24
piet: should be ok now, try restarting nbd-server, if it starts all ok
19:27
<piet>
@alkisg They start ok. What was that good for. Do I have to repeat that?
19:27
<alkisg>
No, I did it on both servers, and it's only because of the ltsp-server upgrade/downgrade that we had to do it
19:27
That is used for a virtual network swap partition for clients with low ram
19:28
<piet>
@alkisg So I can go on administrating the ltsp image, even if new versions of ltsp are automatically installed?
19:29
<alkisg>
Yup
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19:30
<piet>
@ alkisg fantastic man, You really helped me a lot!! Thank You comming like promised!!
19:31
<alkisg>
piet: you're welcome :)
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20:05
<Hyperbyte>
If you're using LTSP and you think it rocks, why not add a pin to the LTSP world map? http://www.ltsp.org/stories/
20:06
<alkisg>
Spammer :P
20:06
<Hyperbyte>
For a good cause.
20:06
You haven't added anything in Greece yet!
20:06
I know you're busy, but you could at least add one to represent your country. :P
20:06
<alkisg>
We need careful planning :D
20:07
Nah.. if we're to switch the map there, we need to make the teachers do that
20:07
<Hyperbyte>
You could add your own location. :P
20:07
<muppis>
Whole Greece will pinned up?
20:07
<Hyperbyte>
muppis, probably
20:08
<alkisg>
Hyperbyte: I'm not using LTSP at my home :P
20:09
<Hyperbyte>
~!$@*(!$~%(@$#*
20:09
:P
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20:12
<muppis>
My LTSP HTPC got little drawback.. BIOS refuses to update nvram and won't set nic booting to 1st and fails. :(
20:12
<alkisg>
ipxe?
20:13
<muppis>
I'll do that if wont get nic working.
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23:16
<Hyperbyte>
!learn worldmap as If you're using LTSP, please let the world know and share your story at http://www.ltsp.org/stories/ Your can add a nice pin to our world map at your location, plus your setup will count towards the global LTSP usage statistics.
23:16
<ltsp>
Hyperbyte: The operation succeeded.
23:16
<Hyperbyte>
Now it'll be even easier to spam the heck out of everyone.
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