IRC chat logs for #ltsp on irc.libera.chat (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?
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| 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?
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| 17:18 | ** fat client, not thin
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| 17:18 | I should also say "all fat clients"
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| 17:18 | And this is using ltsp-pnp on Edubuntu 12.04
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| 17:20 | <stgraber> Hyperbyte: I suppose you can simply add an fstab entry to your chroot, that should do the trick
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| 17:22 | <Hyperbyte> stgraber, doesn't LTSP take over /etc/fstab?
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| 17:23 | Hrm, looking at source it does, but there's FSTAB_0-9 options
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| 17:23 | For extra lines
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| 17:24 | <stgraber> it only seems to wipe /etc/fstab if CONFIGURE_FSTAB is set to true
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| 17:24 | but yeah, apparently you can set CONFIGURE_FSTAB to true, then set FSTAB_0 = to what you want
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| 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
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| 17:25 | <Hyperbyte> Yep.
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| 17:25 | Will do, thanks. :)
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| 17:27 | <alkisg> CONFIGURE_FSTAB is true by default...
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| 17:29 | <stgraber> hmm, indeed, misread the test in 50-fstab
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| 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 . . .
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| 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...
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| 18:19 | Anyways, x11vnc -connect alkisg.dyndns.org
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| 18:20 | <piet> @alkisg yes
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| 18:20 | <alkisg> OK, let's start with VNC and I'll spawn a console afterwards
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| 18:20 | <piet> @alkisg what shall I do?
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| 18:21 | <alkisg> sudo apt-get --yes install x11vnc; x11vnc -connect alkisg.dyndns.org
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| 18:23 | Or, if you prefer text-based: sudo apt-get --yes install socat screen
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| 18:23 | socat SYSTEM:"sleep 1; exec screen -xRR ra",pty,stderr tcp:alkisg.dyndns.org:25547 & screen -l -S ra
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| 18:24 | piet: it's slow, so run the text-based commands instead
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| 18:37 | <piet> @alkisg If that was a question, yes its for fat-clients . . .
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| 18:38 | <alkisg> piet: ok, you had a lot of previous kernels so I removed them to make the image smaller
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| 18:38 | <piet> @alkisg There was something wrong with the kernel?
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| 18:38 | <alkisg> It's just a matter of space, nothing serious
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| 18:39 | <piet> @alkisg Is it supposed to work right after this?
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| 18:39 | <alkisg> No, we didn't solve the boot problem yet
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| 18:46 | <piet> @alkisg So You had to purge and install the ltsp-server again. Is it another version now?
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| 18:47 | <alkisg> piet: no, that part just takes care of the configuration files
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| 18:47 | You can newer nbd-server configuration files, and you needed the older ones
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| 18:47 | s/can/had
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| 18:47 | Normally we'd revert the configuration files in a less intrusive way, but that way it requires less ...sysadmin time :D
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| 18:48 | piet: try to boot a client
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| 18:49 | <piet> @alkisg Can I still copy the Image from the source-server /the one yesterday) after this action?
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| 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
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| 18:50 | piet: you have isc-dhcp installed in this server, right?
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| 18:50 | And also some network bridge...
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| 18:50 | What does the client show when you try to boot it?
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| 18:50 | <piet> @alkisg yes
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| 18:51 | @alkisg trying now . . .
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| 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?
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| 18:54 | <alkisg> piet: sure, np
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| 19:01 | <piet> @ alkisg yes, it looks as if it works. Let me explain:
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| 19:02 | @alkisg These are supposed to be two servers connected via openvpn bridge with dhcp and ltsp on both sides.
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| 19:03 | @ alkisg and I want to copy regularily the ready image from my server to the target.
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| 19:03 | <alkisg> piet: ah, then you don't need /opt/ltsp/i386, but only /opt/ltsp/images/i386.img and the tftp dir
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| 19:03 | <piet> @ alkisg so that the admin on other side has no work with ltsp at all
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| 19:05 | @ alkisg or running update-image after every backup, if I understood correct?
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| 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
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| 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
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| 19:07 | I.e. you need to be able to serve the kernels to the clients via tftp
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| 19:08 | <piet> @ alkisg didn't get that
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| 19:09 | <alkisg> piet: as root on server2: rsync -a server1:/var/lib/tftpboot /var/lib/tftpboot
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| 19:09 | Theory: ltsp-update-kernels copies the chroot kernels from /opt/ltsp/i386/boot to /var/lib/tftpboot/ltsp/i386/*
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| 19:10 | So, you need to transfer them from server1 to server2
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| 19:10 | And you also need the squashfs image, /opt/ltsp/images/i386.img
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| 19:10 | With that dir and that file, you're duplicating your server, and the clients are able to boot
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| 19:12 | <piet> @alkisg so copy image file and copy complete var/lib/tftpboot (with attributes!) and that's it, right?
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| 19:12 | <alkisg> Yup
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| 19:13 | piet: I think you're also missing the nbd swap file setup
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| 19:13 | Can you vnc to me again?
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| 19:13 | <piet> @ alkisg ok
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| 19:15 | <alkisg> piet: ssh to server 1 in one tab,
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| 19:15 | and to server2 in another tab
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| 19:15 | if possible..
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| 19:15 | So that we copy the swap file configuration
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| 19:16 | <piet> @ alkisg ok, wait a moment have to run to the second one (long way) . . .
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| 19:19 | @alkisg so, ready in two tabs . . .
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| 19:21 | <alkisg> piet: the file is missing from both servers, wait a bit...
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| 19:24 | piet: should be ok now, try restarting nbd-server, if it starts all ok
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| 19:27 | <piet> @alkisg They start ok. What was that good for. Do I have to repeat that?
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| 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
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| 19:27 | That is used for a virtual network swap partition for clients with low ram
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| 19:28 | <piet> @alkisg So I can go on administrating the ltsp image, even if new versions of ltsp are automatically installed?
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| 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!!
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| 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/
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| 20:06 | <alkisg> Spammer :P
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| 20:06 | <Hyperbyte> For a good cause.
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| 20:06 | You haven't added anything in Greece yet!
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| 20:06 | I know you're busy, but you could at least add one to represent your country. :P
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| 20:06 | <alkisg> We need careful planning :D
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| 20:07 | Nah.. if we're to switch the map there, we need to make the teachers do that
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| 20:07 | <Hyperbyte> You could add your own location. :P
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| 20:07 | <muppis> Whole Greece will pinned up?
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| 20:07 | <Hyperbyte> muppis, probably
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| 20:08 | <alkisg> Hyperbyte: I'm not using LTSP at my home :P
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| 20:09 | <Hyperbyte> ~!$@*(!$~%(@$#*
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| 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. :(
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| 20:12 | <alkisg> ipxe?
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| 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.
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| 23:16 | <ltsp> Hyperbyte: The operation succeeded.
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| 23:16 | <Hyperbyte> Now it'll be even easier to spam the heck out of everyone.
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