IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 2 November 2011 (all times are UTC)
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| 12:15 | <lifeboy> What is the correct name for the nbd device for a diskless thin client on LTSP? When I boot with this in my /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default file:
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| 12:15 | default ltsp
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| 12:15 | label ltsp
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| 12:15 | kernel vmlinuz
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| 12:15 | append ro initrd=initrd.img nbd_proxy=false nbdroot=172.16.0.1:2000 nbdsrv=172.16.0.1 nbdport=2000 root=/dev/nbd0
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| 12:15 | I get errors "cannot create etc/hosts: Read-only file system"
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| 12:15 | If I don't specify all this nbd parameters, I get "Insufficient information to set up nbd, quitting"
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| 12:23 | <matrix3000> hi world
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| 12:32 | <Hyperbyte> lifeboy, why are you changing /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default ?
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| 12:35 | <matrix3000> exactly
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| 12:42 | <pscheie> Good morning all
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| 12:42 | <alkisg> Good morning :)
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| 12:42 | <Hyperbyte> :(
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| 12:42 | Afternoon! ;-)
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| 12:43 | <pscheie> alkisg, I'm still working on finding a better place to call the epoptes-client for LTSP on Centos.
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| 12:43 | <Hyperbyte> Had a wisdom tooth pulled this morning... total surprise too... dentist said it needed to happen, "when can you make a follow-up appointment?" he asked me... I said "not this year, way too busy..." so he said "I could just do it now... get it over with..."
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| 12:43 | * alkisg is putting openssl support, and automatic server discovery on postinst... | |
| 12:43 | <pscheie> But now that I'm back in 'real life', that is, away from BTS, it will take a bit as I only get to work on it some evenings & weekends.
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| 12:44 | <alkisg> pscheie: no problem, you'll also get to see the new features first :)
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| 12:44 | <pscheie> cool!
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| 12:44 | <Hyperbyte> alkisg, I need a hug. :(
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| 12:44 | * alkisg hugs Hyperbyte - but let me type an answer!! Not as fast as you! | |
| 12:44 | <alkisg> (typist)
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| 12:45 | <matrix3000> https://help.ubuntu.com/community/SquidGuard
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| 12:45 | oops
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| 12:46 | alkisg: here is what i was supposed to give you yesterday
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| 12:46 | alkisg: http://ubuntuone.com/3yNKS46UJYgdeCrib6fLGW
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| 12:46 | <alkisg> matrix3000: no, I was asking for what it does *after* you press enter on the boot: prompt
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| 12:48 | matrix3000: the reason I'm asking is because I've seen a similar problem where pxelinux gets weird input events from they keyboard or mouse, and shows a prompt because it thinks Esc was pressed, when it wasn't
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| 12:48 | In this case, if you press enter on "boot:", it does boot
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| 12:49 | If in your case it doesn't boot (and it doesn't appear like it's "interrupted by some phantom Escape" again), then it's another problem
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| 12:51 | <matrix3000> oh
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| 12:51 | yea it shows nothing
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| 12:51 | just another boot:_ ine
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| 12:51 | line*
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| 12:52 | <alkisg> and /var/lib/tftpboot/ltsp/fat-i386/pxelinux.cfg/default is there?
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| 12:52 | <matrix3000> yes
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| 12:52 | and it's perfect and fine
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| 12:52 | and most thin clients work and boot
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| 12:53 | its just certain computers
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| 12:53 | <alkisg> Do you have dhcp reservations for them?
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| 12:53 | Or you're just using a common global configuration?
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| 12:54 | Btw, I still suspect the phantom escape problem, as in the screenshot it says "pxelinux.cfg/default OK"
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| 12:54 | So that file seems to get downloaded
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| 12:55 | Can you try changing ps/2 keyboards/mice to usb on a problematic client, or vice-versa?
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| 12:55 | Finally, put that file to pastebin
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| 13:01 | <matrix3000> no they don't have dhcp reservs
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| 13:01 | ok ill try that
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| 13:01 | brb
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| 13:06 | <matrix3000> it worked!!!!
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| 13:06 | it was a keyboard
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| 13:06 | sooooo dumb
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| 13:06 | it was a usb keyboard
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| 13:12 | <lifeboy> Hyperbyte: I changed it because I got the error "Insufficient information to set up nbd, quitting"
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| 13:13 | <alkisg> matrix3000: please file a bug about it in the syslinux site
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| 13:14 | <alkisg> I had reports about that from teachers, but it never happened to me, so I couldn't report it
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| 13:14 | <matrix3000> ah ok
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| 13:14 | it was just a keyboard though
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| 13:14 | could of been a bad keyboard
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| 13:14 | <alkisg> Yes, it's still a pxelinux bug
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| 13:14 | No
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| 13:14 | <matrix3000> k
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| 13:14 | whats the site
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| 13:15 | <pscheie> syslinux website is still down.
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| 13:15 | <alkisg> matrix3000: yeah, so use that: https://bugs.launchpad.net/ubuntu/+source/syslinux
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| 13:15 | <lifeboy> Hyperbyte: So Iooked at the nbd source and saw there are those parameters that can be specified, which I did and now I get past the nbd setup, but it's readonly somewhere somehow
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| 13:16 | <pscheie> It's hosted at the same place as kernel.org and they got cracked a couple months ago.
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| 13:16 | They're slowly rebuilding it, but being very meticulous.
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| 13:18 | <Gadi> lifeboy: if you are on Ubuntu, we don't use nbd upstream in the initramfs to mount nbd. You should only have: append ro initrd=initrd.img nbd_proxy=false nbdroot=172.16.0.1:2000
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| 13:20 | <lifeboy> Pardon my ignorance, but what does it mean when you say "we don't use nbd upstream"?
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| 13:21 | This is a customised Ubuntu 10.04 kernel with support for r6040 ethernet and not cmov support compiled in.
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| 13:21 | <Gadi> so, nbd is its own project. The nbd project supplies an initramfs script to mount a rootfs over nbd. In Ubuntu, that is not used, but rather an ltsp_nbd initramfs script
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| 13:22 | this is because: a. ltsp_nbd predated the upstream script and b. it does certain things the upstream one doesn't do
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| 13:22 | <lifeboy> Ah, I understand
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| 13:25 | <matrix3000> do i get a cookie or a prize for reporting this bug lol
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| 13:27 | <alkisg> matrix3000: yes, you help the community that helped you. Otherwise communities wouldn't work. That's a big cookie :)
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| 13:28 | <lifeboy> Gadi: If I compiled my kernel with the upstream nbd, then the Ubuntu way doesn't apply or what?
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| 13:28 | <Gadi> lifeboy: your kernel would be compiled with the nbd kernel module
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| 13:28 | <matrix3000> haha :)
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| 13:28 | <Hyperbyte> matrix3000, it wasn't a joke!
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| 13:28 | <Gadi> but that is different than the nbd client
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| 13:29 | <andygraybeal> matrix3000, awesome, what'd you find?
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| 13:29 | <Gadi> nbd-client is a package that is installed and then put into the initramfs when you update-initramfs
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| 13:29 | <matrix3000> https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/885217
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| 13:29 | <Gadi> in other words, the UBuntu way still applies
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| 13:30 | <matrix3000> lol
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| 13:30 | also, i did the patch for ndb compression
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| 13:30 | <andygraybeal> haha matrix, i see your passwords in your stickies!
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| 13:30 | <matrix3000> i reenabled it since it was the nbd proxy that originally caused the issue
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| 13:30 | <Gadi> lifeboy: when you created the new kernel package, I assume you installed it in the chroot and ran an update-initramfs, then an update-kernels, and finally an ltsp-update-kernels outside the chroot, right?
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| 13:30 | <matrix3000> saw someone updated the fat client page with some more great information
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| 13:32 | <andygraybeal> yay for finding bugs!
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| 13:32 | <lifeboy> Gadi: right. However, I don't "update-kernels" in my chroot.
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| 13:33 | <Gadi> ok - that may run automatically - not sure
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| 13:33 | wouldn't hurt to run it
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| 13:33 | /usr/share/ltsp/update-kernels
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| 13:33 | I believe
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| 13:34 | (while chroot'd)
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| 13:34 | <lifeboy> I also do a ltsp-update-image --arch=i386 outside the chroot
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| 13:34 | <Gadi> anyhow, the update-initramfs would make sure that the ltsp_nbd is in the initramfs
| |
| 13:36 | <lifeboy> The source I use is supplied by norhtec, but I spent all morning (last 6 hours) with their tech in Malaysia checking everything and he says it's just Ubuntu 10.04 that they tweaked a but to get support for their hardware
| |
| 13:37 | It seems then that the problem is the nbd-client? It's version 2.9.14
| |
| 13:38 | sorry: ...they tweaked a bit to get support for their hardware
| |
| 13:38 | <Gadi> lifeboy: you should break=mount in the initramfs to get to a prompt. Did you compile in support for aufs?
| |
| 13:38 | <lifeboy> I'm not sure, I can check, but I was dropped to a prompt in Busybox
| |
| 13:38 | <Gadi> right - an initramfs prompt
| |
| 13:39 | <lifeboy> yip
| |
| 13:39 | <Gadi> from there, you can have a look at what got mounted
| |
| 13:39 | cat /proc/mounts
| |
| 13:39 | see if there is a /rofs dir
| |
| 13:39 | or a /root dir
| |
| 13:39 | try to find what went wrong
| |
| 13:40 | <lifeboy> rootfs, sysfs, proc, tempfs and pts
| |
| 13:40 | <Gadi> but, I would start by making sure the boot params are correct
| |
| 13:40 | you should only have: ro initrd=initrd.img nbd_proxy=false nbdroot=172.16.0.1:2000
| |
| 13:40 | and not the other stuff
| |
| 13:40 | <lifeboy> that is /dev/pts, the last one
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| 13:41 | <jammcq> good morning friends
| |
| 13:41 | <Hyperbyte> Jim, buddy! :)
| |
| 13:41 | <lifeboy> Yes, that is what I reverted to now to get to the initramfs prompt
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| 13:41 | <Gadi> ok, is there a /scripts/ltsp_nbd
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| 13:42 | <lifeboy> yes
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| 13:43 | <sbalneav> Morning all.
| |
| 13:43 | <jammcq> Scotty !!!!!!!!!!!!!!!!!!!!!!!!!!
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| 13:43 | <matrix3000> oh those aren't passwords
| |
| 13:43 | those are phone numbers
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| 13:43 | ahahahaha
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| 13:44 | <Gadi> lifeboy: what error do you get before dropping to a prompt?
| |
| 13:45 | <matrix3000> andygraybeal: those are phone numbers, not passwords
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| 13:45 | <lifeboy> Gadi: let me see
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| 13:45 | <matrix3000> and that isn't my desk, that is the pc having the problem
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| 13:46 | <andygraybeal> matrix3000, i was just kidd'in :)
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| 13:46 | <alkisg> Good morning jammcq, sbalneav :)
| |
| 13:46 | (and Gadi, Hyperbyte, andygraybeal, everyone :D)
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| 13:46 | <andygraybeal> morrning! :)
| |
| 13:47 | * Gadi waves | |
| 13:48 | <lifeboy> Gadi: I get "Insufficient information to set up nbd, quitting", then "Done." and after a few seconds and more lines "ALERT! does not exist. Dropping to a shell!"
| |
| 13:48 | * matrix3000 puts the coffee pot on the burner | |
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| 13:49 | <Gadi> lifeboy: that sounds like a message from upstream nbd. Try adding boot=ltsp_nbd to the append line
| |
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| 13:49 | <Hyperbyte> Gavin!
| |
| 13:49 | * Gadi thinks you are not actually running the ltsp_nbd script | |
| 13:52 | <matrix3000> wow, doing a non prod upgrade from 11.04 to 11.10
| |
| 13:52 | for ltsp
| |
| 13:52 | wish me luck
| |
| 13:53 | <lifeboy> Gadi: as soon as I add that I get "No init found. Try passing init= bootarg"
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| 13:55 | <alkisg> lifeboy: I'm missing the point in all this... you have a module source? Can't you just compile the module for your current lucid kernel? Or you have to compile a whole kernel?
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| 13:56 | <lifeboy> alkisg: I need to remove cmov support as well from the kernel.
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| 13:57 | <alkisg> lifeboy: doesn't 10.04 support older cpus without cmov?
| |
| 13:57 | It sounds too much hassle, to have to compile your own kernel just to have an ltsp chroot...
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| 13:57 | Btw, I think debian has kernels without cmov, and they also include a r6040 driver, right?
| |
| 13:57 | <lifeboy> Yes, it does, I thought, but when I boot I get a message to say I should load a different kernel that does not require a cpu with cmov support
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| 13:59 | alkisg: I started with this all to try and use the standard ubuntu scripts and not have the seriously customised setup. So I could compile a r6040 driver for Ubuntu 10.04 and try again. Initially I didn't have the r6040 sources.
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| 14:00 | Gadi has joined IRC (Gadi!~romm@ool-4571ca04.dyn.optonline.net) | |
| 14:00 | <lifeboy> I'm new to making my own kernels and have been at this for more than a whole week now and still don't have a client running!!
| |
| 14:01 | <sbalneav> hacking the group stuff into libnss-sshsock now. Password stuff seems to work.
| |
| 14:01 | <lifeboy> I have learned a lot though, but now I'm seriously out of time
| |
| 14:02 | <Gadi> sorry - didn't mean to cut out there
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| 14:03 | <lifeboy> Gadi: Ok, you're only 10000 miles away... so I'm not phased ;-)
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| 14:03 | <Gadi> :)
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| 14:03 | <cliebow> lifeboy: so from where??
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| 14:03 | <Gadi> anyhow, is r6040 a network driver?
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| 14:03 | <lifeboy> South Africa (Stellenbosch)
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| 14:04 | Yes
| |
| 14:04 | <Gadi> and that's the only thing you need above stock ubuntu to get this working?
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| 14:04 | <lifeboy> Dunno why Ubuntu doesn't have it in, it's not uncommon it seems
| |
| 14:04 | Probably, but I'm not sure about sound and graphics
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| 14:05 | <Gadi> well, if so, you don't have to compile the whole kernel
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| 14:05 | <alkisg> Gadi: we talked about this when you left for a bit,
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| 14:05 | <Gadi> usually
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| 14:05 | <alkisg> (03:57:44 μμ) alkisg: Btw, I think debian has kernels without cmov, and they also include a r6040 driver, right?
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| 14:05 | (03:57:56 μμ) lifeboy: Yes, it does, I thought, but when I boot I get a message to say I should load a different kernel that does not require a cpu with cmov support
| |
| 14:05 | (forgot this: (03:57:05 μμ) alkisg: lifeboy: doesn't 10.04 support older cpus without cmov?)
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| 14:06 | So he says the stock kernel won't load in his client...
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| 14:06 | <Gadi> ah ok
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| 14:06 | <lifeboy> I've got all the sources now, so I could just try again (with the knowledge I didn't have last week)
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| 14:07 | <Gadi> well, before you go on a compile spree,
| |
| 14:07 | <Hyperbyte> lifeboy, spreek jy Afrikaans? :-D
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| 14:07 | <Gadi> you said that now you get a no init found error
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| 14:07 | now that you are running ltsp_nbd
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| 14:07 | <lifeboy> So
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| 14:07 | 1. Use stock Ubuntu 10.04 32 bit client,
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| 14:07 | 2. Compile r6040.ko
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| 14:07 | 3. Add it to the chroot
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| 14:07 | etc.. ?
| |
| 14:08 | <Gadi> update-initramfs -c -k <kernel_version>
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| 14:08 | <lifeboy> Hyperbyte: Ja, ek praat Afrikaans, Duits en Engels. :-)
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| 14:08 | <Gadi> ^--- that's important
| |
| 14:08 | that gets the module into the initramfs
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| 14:08 | <lifeboy> Gadi: After adding ltsp_nbd ?
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| 14:08 | <Hyperbyte> lifeboy, haha! How cool. :-)
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| 14:09 | <Gadi> no no
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| 14:09 | <Hyperbyte> I'm Dutch... Dutch language is a lot like Afrikaans.
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| 14:09 | <Gadi> timeout on the spreken
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| 14:09 | :)
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| 14:09 | <lifeboy> :-)
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| 14:09 | <Gadi> lifeboy: start with regular ltsp chroot
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| 14:09 | <lifeboy> ok, and then?
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| 14:10 | <Gadi> ie, a regular classic result of a fresh ltsp-build-client --arch i386
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| 14:11 | <lifeboy> ltsp-build-client --dist=lucid --arch=i386
| |
| 14:11 | I'll brb
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| 14:12 | <Hyperbyte> Gadi, sorry. :P
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| 14:12 | I've always been fascinated by African language. It's 80
| |
| 14:13 | % like Dutch, but without all grammar and difficult words. :)
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| 14:31 | <Gadi> (10:10:43 AM) Gadi: then, compile the network driver module for the *chroot's* kernel
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| 14:31 | (10:10:59 AM) Gadi: copy it into the chroot's /lib/modules/.....
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| 14:31 | (10:11:12 AM) Gadi: run your depmod -a in the chroot
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| 14:31 | (10:11:58 AM) Gadi: then, for good measure, add the module name to the chroot's /usr/share/initramfs-tools/modules or its /etc/initramfs-tools/modules
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| 14:31 | (10:12:09 AM) Gadi: that will make sure it gets loaded all the time
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| 14:31 | (10:12:30 AM) Gadi: then, in the chroot, run: update-initramfs -c -k <kernel-version>
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| 14:31 | (10:12:46 AM) Gadi: that will ensure that the module gets copied to the initrmafs
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| 14:31 | (10:13:03 AM) Gadi: then, exit the chroot and run: ltsp-update-image --arch i386
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| 14:31 | (10:13:14 AM) Gadi: and ltsp-update-kernels for good measure
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| 14:31 | (10:13:21 AM) Gadi: then, reboot
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| 14:31 | (10:13:33 AM) Gadi: (the client)
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| 14:31 | (10:13:54 AM) Gadi: that should give you a stock ubuntu + network driver
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| 14:31 | (10:14:29 AM) Gadi: if you need to install your own kernel, thats another story
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| 14:31 | (in case that was missed)
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| 14:37 | <alkisg> !adding-modules
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| 14:37 | <ltsp> alkisg: adding-modules: If your clients won't boot with messages like 'eth0: link not ready', maybe you're missing an initramfs-module: https://help.ubuntu.com/community/UbuntuLTSP/AddingModules
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| 14:37 | <alkisg> There's a script there that only loads the module to the clients that need it
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| 14:37 | Instead of forcefully loading it to all clients
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| 14:57 | <lifeboy> Ok, I'm back. Just needed to attend to something outside cyberspace! ;-)
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| 14:59 | Gadi and Alkisg: Thanks, I got that all, will now try doing it.
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| 15:00 | Hyperbyte: Just learn to say "Lekker". It has more meaning than an essay on the matter in English ;-)
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| 15:05 | <matrix3000> if i install ltsp from the alternate cd
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| 15:05 | can i remove the dhcp3 server from it
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| 15:05 | afterwards and everything be good
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| 15:05 | and have it rule like ltsp-server isntead of ltsp-server-standalone
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| 15:10 | <matrix3000> hey alkisg, question
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| 15:10 | if i install ltsp from the alternate cd, can i remove the dhcp3 server from it, and have it rule like ltsp-server isntead of ltsp-server-standalone
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| 15:10 | <alkisg> Yup
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| 15:10 | <matrix3000> which way is faster to install ltsp
| |
| 15:11 | <alkisg> The alternate cd is quite a fast way
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| 15:11 | <matrix3000> thought so, since it doesn't have to download
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| 15:11 | as much
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| 16:55 | <lifeboy> alkisg, Gadi: I'm still stuck at the first step: compile the lkm.
| |
| 16:56 | I followed the advice of http://dinomite.net/2007/setting-up-ubuntu-for-building-kernel-modules/#.TrFxzECtWfh
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| 16:56 | to set up my Ubuntu chroot
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| 16:56 | for compiling modules
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| 17:01 | <Gadi> lifeboy: are the chroot and the server running the same kernel?
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| 17:01 | <lifeboy> no. Server Ubuntu 10.10 64bit, chroot Ubuntu 10.04 32 bit
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| 17:02 | <Gadi> ok, that makes it a lil more complicated but not too much
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| 17:02 | do you have a link to the kernel module source?
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| 17:05 | <lifeboy> I think I have yes. I have (in the chroot) /usr/src/linux -> linux-source-2.6.32
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| 17:06 | <Gadi> no, I mean do you have a link to the driver module you are compiling
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| 17:06 | I want to have a look
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| 17:06 | ie some tarball I can download
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| 17:07 | <lifeboy> Then I also have these files:
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| 17:07 | -rw-r--r-- 1 1000 1000 307 2011-11-02 18:05 Makefile-2.6
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| 17:07 | -rw-r--r-- 1 1000 1000 29932 2007-04-19 09:43 r6040.c
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| 17:07 | -rw-r--r-- 1 1000 1000 485 2007-10-03 04:07 README
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| 17:07 | Which is the r6040 module
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| 17:09 | <Gadi> ah perfect
| |
| 17:09 | so, in most of these cases, the Makefile looks at the running kernel with uname -r
| |
| 17:10 | You can have a look at the makefile to see if that is the case
| |
| 17:10 | sometimes, you can specify the kernel version when you call make
| |
| 17:10 | but, if not, you can always edit the Makefile and hard-code it
| |
| 17:11 | either way, uname -r won't work in your case
| |
| 17:11 | since the running kernel is your server's kernel
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| 17:11 | make sense?
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| 17:11 | also, you usually only need the kernel headers installed in the chroot
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| 17:11 | not the whole source
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| 17:13 | <Gadi> so, you can easily: sudo chroot /opt/ltsp/i386 apt-get install linux-headers-generic
| |
| 17:13 | <lifeboy> back...
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| 17:13 | <Gadi> hi
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| 17:13 | <lifeboy> sorry, switched internet connection...
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| 17:14 | I'm just reading your post in the logs
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| 17:18 | <Gadi> ok
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| 17:23 | <lifeboy> Ok, I understand what you said. Yes, I understand about the headers, but I had the source from a previous attempt so I just copied it in there.
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| 17:24 | Where should the make file "Makefile-2.6" go? into the /usr/src/linux or in the source dir?
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| 17:25 | <matrix3000> my 11.04 to 11.10 upgrade failed
| |
| 17:26 | :( after it installed the system, my network interface went by by
| |
| 17:26 | even though it worked on 11.04
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| 17:33 | <lifeboy> Gadi: Here's what happens:
| |
| 17:33 | root@Ashton:/usr/src/linux# make -f Makefile-2.6
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| 17:33 | make -C /lib/modules/2.6.32-34/build M=/usr/src/linux-source-2.6.32
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| 17:34 | make[1]: Entering directory `/usr/src/linux-source-2.6.32'
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| 17:34 | WARNING: Symbol version dump /usr/src/linux-source-2.6.32/Module.symvers
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| 17:34 | is missing; modules will have no dependencies and modversions.
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| 17:34 | Building modules, stage 2.
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| 17:34 | MODPOST 0 modules
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| 17:34 | make[1]: Leaving directory `/usr/src/linux-source-2.6.32'
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| 17:35 | Does that mean I should link /lib/modules/2.6.32-34/build to the headers rather than the sources? Currently it links to /usr/src/linux, which links to /usr/src/linux-source-2.6.32
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| 17:40 | /usr/src/linux-source-2.6.32/Module.symvers is empty
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| 17:41 | <Gadi> lifeboy: yes, link to headers (or reinstall headers which should change the link)
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| 17:41 | otherwise you would have to actually compile the source once to create the symbols
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| 17:42 | the Makefile should stay where it is, btw
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| 17:44 | <Gadi> bbiab
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| 17:48 | <alkisg> vagrantc: hm.... how will we handle epoptes/debian? I want to change some stuff there to put openssl support, but I also want to include your changes - shouldn't we have a common branch somewhere?
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| 17:48 | Maybe you could push in lp:epoptes?
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| 17:49 | <vagrantc> alkisg: if you think all the changes are fine, sure, we can push to the master branch
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| 17:50 | alkisg: or you could pull and push
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| 17:50 | alkisg: but ubuntu and debian may diverge on the debian dir ... which gets to be tricky to merge.
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| 17:50 | <alkisg> vagrantc: my intention is that they shouldn't diverge, why would they?
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| 17:50 | upstart remains sysvinit compatible....
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| 17:50 | <vagrantc> alkisg: things happen
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| 17:51 | <alkisg> The only reservation I have is "dh --with python2", which will prevent me from running epoptes in my lucid box
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| 17:51 | I probably need to upgrade anyway though :D
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| 17:53 | vagrantc: so... I pull from your branch, push to lp:epoptes, add openssl related stuff, and then you do the opposite?
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| 17:59 | <lifeboy> alkisg: And once I've linked "//lib/modules/2.6.32-34/build" to the headers, do I then put the source "r6040.c" into the headers or do I leave it in the source?
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| 17:59 | <alkisg> lifeboy: no idea about kernel/module compilation, sorry
| |
| 17:59 | <lifeboy> alkisg: sorry, was meant for Gadi
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| 18:00 | I'll just hack along and see what happens
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| 18:00 | I can't break things that can't be fixed again... can I? :D
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| 18:17 | <alkisg> vagrantc: about dh_python2, could we do what openstack does? Comment #3 in https://bugs.launchpad.net/ubuntu/+source/python-defaults/+bug/788524
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| 18:19 | <Gadi> lifeboy: what I would do is unpack that module directory in the chroot's /tmp or some such
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| 18:19 | keep it all together
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| 18:19 | chroot into the chroot
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| 18:19 | cd /tmp/foo
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| 18:20 | run make
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| 18:20 | <lifeboy> Gadi: Hmmm, I thought that's what I did in the beginning, but maybe my environment wasn't set up properly
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| 18:21 | <Gadi> well, usually make will check uname -r from /proc, if you don't specify
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| 18:21 | that's when things can get tripped up
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| 18:21 | and normally, it uses the headers from /lib/modules/<kernel_version>/build
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| 18:22 | so, that link should point to your headers
| |
| 18:24 | <alkisg> vagrantc: so if you agree to this (http://paste.ubuntu.com/726570/) then it compiles on my Lucid box too
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| 18:27 | darkpixel_ has joined IRC (darkpixel_!~aaron@65.100.44.217) | |
| 18:27 | <lifeboy> Gadi: I'm just starting with a fresh /opt/ltsp/i386. I run apt-cacher so is installs very quickly
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| 18:41 | <alkisg> vagrantc: I merged everything in http://bazaar.launchpad.net/~epoptes/epoptes/trunk/changes and I'm continuing with adding the openssl stuff.
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| 18:58 | <matrix3000> anyone here runing ltsp on a vmware server
| |
| 18:58 | basically a esxi server with a ubuntu-server and ltsp installed in it
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| 19:00 | <vagrantc> doh.
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| 19:01 | alkisg has joined IRC (alkisg!alkisg@ubuntu/member/alkisg) | |
| 19:02 | <vagrantc> alkisg: i think that patch looks mostly good, although it just assumes that it runs dh_pysupport, where you were using dh_pycentral before
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| 19:03 | <alkisg> vagrantc: ah - so should I conditionally change it to dh_pycentral instead?
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| 19:03 | * alkisg doesn't really have a clue about all those dh_py* stuff... | |
| 19:03 | <vagrantc> alkisg: maybe ... unless dh_pysupport works for you ...
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| 19:03 | <alkisg> It built the package, let me try to install it...
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| 19:04 | <vagrantc> alkisg: additionally, we should add conditional build-deps: python (>= new version ) | python-support | pyython-central, python (>= old version)
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| 19:04 | alkisg: i don't have much of a clue either :)
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| 19:04 | <alkisg> Ah, cool, I didn't know python could be specified 2 times
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| 19:05 | <vagrantc> alkisg: i'm not positive, but it should probably be build-depends, instead of build-depends-indep
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| 19:05 | i'll look into that
| |
| 19:05 | * alkisg was just following whatever guide he found on the net, so has no constructive feedback to offer:) | |
| 19:06 | <vagrantc> alkisg: i haven't yet gotten it to actually fully work yet ... but i'll work on that friday
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| 19:06 | alkisg: hopefully it'll have openssl support by then :)
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| 19:06 | <alkisg> Yup
| |
| 19:07 | I was just wondering how to automate the installation
| |
| 19:07 | ...and settled on just an ltsp-build-client plugin
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| 19:07 | vagrantc: did you look for the "fetch the certificate on postinst" idea?
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| 19:07 | (after a debconf confirmation dialog, of course...)
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| 19:07 | <vagrantc> alkisg: no, i'm playing catch-up at work for having a few days off, so pretty busy
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| 19:07 | <alkisg> np, ty
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| 19:14 | <matrix3000> so no one running ltsp-server as an app on vmware
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| 19:14 | esxi?
| |
| 19:15 | * vagrantc sticks to free software | |
| 19:15 | <pscheie> xen?
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| 19:15 | <matrix3000> esxi is free lol
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| 19:15 | Steve_the_Pirate has joined IRC (Steve_the_Pirate!~Gary@84.45.15.228) | |
| 19:15 | <pscheie> esxi is free as in beer, not as in speech
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| 19:16 | <vagrantc> software libre
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| 19:17 | <alkisg> vagrantc: OK I pushed a dh_pycentral-based variant that works for me and I hope won't break things for dh_python2
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| 19:18 | I didn't put the python high version | python low version stuff, too fancy for me :P
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| 19:18 | <darkpixel_> I have two linux boxes running LTSP at two different sites. Both were 10.04 (I upgraded one to 10.10 to see if it would fix this issue. It did not.). Within the last 3 days, I received calls that thin clients stopped working at both sites. Syslog is unhelpful--the nbd-server just logs a disconnect event. The client logs a 'Receive Control Failed (result -32)' event. The client screens flicker every ~10 seconds like they are trying to swit
| |
| 19:19 | <alkisg> darkpixel_: your message was too long and was cut at "The client screens flicker every ~10 seconds like they are trying to swit"
| |
| 19:19 | <darkpixel_> Darn--I thought pidgin would take care of that for me. ;)
| |
| 19:20 | ...The client logs a 'Receive Control Failed (result -32)' event. The client screens flicker every ~10 seconds like they are trying to switch to graphical mode, then log the -32 event again. The clients don't appear to be logging to .xsession_errors. I've tried deleting /opt/ltsp/* and re-creating the images with no success. Any pointers? (http://dpaste.com/646208/)
| |
| 19:20 | <alkisg> darkpixel_: so you weren't ever able to properly login, not even once?
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| 19:22 | <darkpixel_> Nope. Both of these LTSP servers have been in operation for over a year. I initially suspected a buggy Ubuntu package simply because they worked for so long and both boxes recently (~1 month ago) had updates installed...but loading the previous version of the nbd-server and nbd-client packages didn't fix the issue.
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| 19:23 | <alkisg> "Both of these LTSP servers have been in operation for over a year. " ==> without ever logging in?!
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| 19:23 | Ah, updates...
| |
| 19:23 | OK
| |
| 19:23 | !compiz | echo darkpixel_
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| 19:23 | <ltsp> darkpixel_ compiz: the default window manager in gnome is gnome-wm, which automatically chooses compiz if it thinks that the card supports it. Compiz is causing login problems to some clients (LP #673072). To disable it, see !disable_compiz. To restore it, see !restore_compiz
| |
| 19:23 | <alkisg> It might have been a xorg update that broke it
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| 19:23 | Try disabling compiz
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| 19:24 | <darkpixel_> Oops--I totally didn't think of Compiz. I'll give it a shot. Thanks.
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| 19:26 | <lifeboy> Gadi: I've done a clean ltsp-build kernel, the installed the headers and gcc and it's dependencies. Now in a dir /usr/src/r6040, I have the source.
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| 19:27 | when I do "make" I get:
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| 19:27 | # make
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| 19:27 | make -C /lib/modules/2.6.32-34-generic/build M=/usr/src/r6040
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| 19:27 | make[1]: Entering directory `/usr/src/linux-headers-2.6.32-34-generic'
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| 19:27 | CC [M] /usr/src/r6040/r6040.o
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| 19:27 | /usr/src/r6040/r6040.c: In function ‘mdio_read’:
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| 19:27 | /usr/src/r6040/r6040.c:228: error: ‘struct net_device’ has no member named ‘priv’
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| 19:27 | /usr/src/r6040/r6040.c: In function ‘mdio_write’:
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| 19:27 | /usr/src/r6040/r6040.c:236: error: ‘struct net_device’ has no member named ‘priv’
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| 19:27 | /usr/src/r6040/r6040.c:237: error: ‘struct net_device’ has no member named ‘priv’
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| 19:27 | (and a whole lot more than this)
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| 19:27 | What now?
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| 19:28 | <Gadi> lifeboy: is /proc mounted?
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| 19:28 | <lifeboy> Ah! No, let me do that
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| 19:29 | Gadi: It's now mounted, but it makes no difference
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| 19:29 | Should it have been mounted before I installed gcc, etc?
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| 19:30 | <pr0d> hi all, can anyone point me in the direction of a howto on setting the defaults in the login menu?
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| 19:30 | <lifeboy> Further down I have a whole lot of lines:
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| 19:30 | /usr/src/r6040/r6040.c:287: error: ‘struct net_device’ has no member named ‘priv’
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| 19:30 | /usr/src/r6040/r6040.c:318: error: ‘struct net_device’ has no member named ‘open’
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| 19:30 | /usr/src/r6040/r6040.c:319: error: ‘struct net_device’ has no member named ‘hard_start_xmit’
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| 19:30 | /usr/src/r6040/r6040.c:320: error: ‘struct net_device’ has no member named ‘stop’
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| 19:30 | /usr/src/r6040/r6040.c:321: error: ‘struct net_device’ has no member named ‘get_stats’
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| 19:30 | /usr/src/r6040/r6040.c:322: error: ‘struct net_device’ has no member named ‘set_multicast_list’
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| 19:30 | /usr/src/r6040/r6040.c:323: error: ‘struct net_device’ has no member named ‘do_ioctl’
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| 19:30 | /usr/src/r6040/r6040.c:325: error: ‘struct net_device’ has no member named ‘tx_timeout’
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| 19:31 | <pr0d> Everytime i start a ltsp client i have to change all 3 options, ssh, language, and desktop manager, Im using ubuntu 11.10
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| 19:31 | <Gadi> lifeboy: from a quick google search it seems like that source is calling a function that was done away with in kernels after 2.6.27
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| 19:32 | do you know this module to be compatible with 2.6.32?
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| 19:32 | <matrix3000> looks like i im about to try ltsp in esxi wish me luck
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| 19:32 | <lifeboy> Let me see if the source in the vortex kernel is different...
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| 19:32 | This is the source I downloaded from dmp.com.tw
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| 19:33 | But the XLinux source also has it
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| 19:35 | <Gadi> which model?
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| 19:35 | I will look at the source
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| 19:36 | <lifeboy> Gadi: Where you asking me which model?
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| 19:36 | <Gadi> yeah
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| 19:36 | ie do you have a link to the code on that site?
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| 19:37 | <lifeboy> :-) http://www.norhtec.com/products/surfboard/index.html using the 2ng generation Vortex86MX chip.
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| 19:38 | 2nd that is
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| 19:38 | <Gadi> I meant a link to the source code for the driver module
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| 19:39 | <lifeboy> I just it from their forums... http://www.deviceonchip.com/index.php?option=com_kunena&func=view&catid=7&id=647&Itemid=85#649
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| 19:39 | It's in those sources, the driver from the DMP website is the old one that I just tried.
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| 19:41 | <darkpixel_> alkish: I ran the command to update gconf on the server and rebooted the clients--no change.
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| 19:43 | alkisg: I ran the command to update gconf on the server and rebooted the clients--no change.
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| 19:43 | <lifeboy> Here's my source http://dl.dropbox.com/u/12668653/r6040.c
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| 19:43 | <alkisg> darkpixel_: what command to update gconf?
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| 19:43 | <darkpixel_> gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 19:44 | <alkisg> darkpixel_: ok, another thing to quickly try before digging into xorg.log is nomodeset:
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| 19:44 | !nomodeset
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| 19:44 | <ltsp> alkisg: nomodeset: Unfortunately, Kernel Mode Setting (KMS) doesn't work well with some cards. To disable it, open /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default and replace "quiet splash" with "nomodeset".
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| 19:45 | <Gadi> lifeboy: looks like they have some more stuff here: ftp://ftp.dmp.com.tw/Linux_DEMO/
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| 19:46 | <lifeboy> I wants an ftp password? What linked to this?
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| 19:48 | If I use their "download" username, I get "550 /Linux_DEMO: No such file or directory."
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| 19:49 | <Gadi> the pdf of how to install in Ubuntu off the website
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| 19:49 | try anonymous
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| 19:49 | for me, it just opened in the browser
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| 19:49 | <lifeboy> Doesn't for me :-(
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| 19:49 | <Gadi> and I downloaded a source tarball from 10/17/2011
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| 19:50 | <lifeboy> Could you drop the pdf somewhere
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| 19:50 | <pr0d> Any ideas about setting the defaults on the client login screen? I need to set ssh and language defaults, cant seem to word it right and get results on google
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| 19:50 | <Gadi> the pdf was from here: ftp://download@ftp.dmp.com.tw/vortex86dx/linux/Debian+Ubuntu_Linux_Installation_Guide.pdf
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| 19:51 | pr0d: LDM_LANGUAGE and LDM_SESSION didnt work?
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| 19:52 | <pr0d> Im not sure, im new to this, where do i use these variables?
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| 19:52 | which file do i modify for these settings?
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| 19:53 | <Gadi> in /var/lib/tftpboot/ltsp/i386/lts.conf
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| 19:53 | <pr0d> thank you very much :)
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| 19:53 | <lifeboy> Gadi: That pdf is not any help, it's just a normal local install. No LTSP. I have an image that boots the client from a local cfdrive...
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| 19:53 | <Gadi> !ltsconf
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| 19:53 | <ltsp> Gadi: I do not know about 'ltsconf', but I do know about these similar topics: 'lts.conf'
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| 19:53 | <Gadi> !manpage
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| 19:53 | <ltsp> Gadi: Error: "manpage" is not a valid command.
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| 19:53 | <Gadi> !man
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| 19:53 | <ltsp> Gadi: Error: "man" is not a valid command.
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| 19:53 | <Gadi> doh
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| 19:53 | I know its somewhere
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| 19:53 | !lts.conf
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| 19:53 | <ltsp> Gadi: lts.conf: http://manpages.ubuntu.com/lts.conf
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| 19:53 | <Gadi> aha!
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| 19:54 | !lts.conf|echo pr0d
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| 19:54 | <ltsp> pr0d lts.conf: http://manpages.ubuntu.com/lts.conf
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| 19:54 | <pr0d> TYVM Gadi
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| 20:02 | <darkpixel_> alkisg: No joy. But I am no longer seeing the disconnect message in the server logs. I'll head out on-site tomorrow and do more troubleshooting. I can trust the guy that's currently out there to tell me if it's at the desktop or not, but getting detailed information doesn't work.
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| 20:03 | <alkisg> darkpixel_: ok, next thing is to get the client graphics card, xorg.log, and the server /var/logauth.log
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| 20:05 | <darkpixel_> alkisg: The server auth.log doesn't show anything relating to the clients, and (yesterday when I checked) the clients weren't logging anything to xorg.log (in the ltsp image) or xsession-errors in their home dirs on the server--but I will verify when I get out there tomorrow. Thanks for your help.
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| 20:09 | <pr0d> Gadi: how do i set the default backend?
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| 20:10 | mnevans has joined IRC (mnevans!~mnevans@zero.geol.umd.edu) | |
| 20:11 | <mnevans> Hello LTSP world. Recently you helped me solved a xconfiguration problem for a zotac zbox-based thin client.
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| 20:11 | mgariepy suggested I add description of this to the ltsp wiki.
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| 20:11 | Where's a good place to do so?
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| 20:12 | <alkisg> Somewhere under https://help.ubuntu.com/community/UbuntuLTSP/
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| 20:14 | <mnevans> Alkisg, thanks, but can anyone be more specific, where? perhaps under 'specific configurations'?
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| 20:14 | I(I don't want to bollocks up the works.)
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| 20:15 | <Gadi> pr0d: LDM_SESSION, I believe
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| 20:15 | <alkisg> It might be broken in natty...
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| 20:16 | <pr0d> Does this look right?
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| 20:16 | LDM_LANGUAGE=en_GB
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| 20:16 | LDM_SESSION=ssh
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| 20:17 | LDM_DIRECTX=true
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| 20:17 | <mgariepy> LDM_SESSION is definitely broken in natty...
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| 20:17 | <pr0d> is it possibly still broken in oneiric?
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| 20:17 | <mgariepy> no idea
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| 20:18 | more like:LDM_SESSION='gnome-session --session=classic-gnome'
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| 20:18 | <pr0d> well if those settings are right then i think i can confirm that it is still broken in oneiric
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| 20:18 | <vagrantc> pr0d: you'd never use LDM_SESSION=ssh
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| 20:18 | pr0d: LDM_SESSION should be a valid xsession.
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| 20:18 | <pr0d> ok, i did ask how to specify the backend :D
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| 20:18 | <mgariepy> the LDM_SESSION i pasted was for natty.
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| 20:19 | <pr0d> for some reason my client dont use ssh as default backend and have to alter it in the menu every time i start it
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| 20:20 | <mgariepy> use LDM_FORCE_BACKEND to force ssh backend
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| 20:20 | <vagrantc> it's not something you alter fromm the menu
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| 20:20 | unless this is some ltsp-cluster interface... ?
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| 20:20 | <mgariepy> preferences > backend
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| 20:20 | in ldm
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| 20:20 | <pr0d> Not sure, its the default packages for ubuntu and yes i do have to specify backend everytime i login
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| 20:21 | <mgariepy> vagrantc, for ltsp-cluster the only differences is the way lts.conf i downloaded and the guest/autologin accounts.
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| 20:21 | pr0d, you need to select backend in Preferences> backend ?
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| 20:21 | <pr0d> yes
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| 20:22 | <mgariepy> using LDM_FORCE_BACKEND=ssh
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| 20:22 | will for ssh to be the backend
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| 20:22 | <pr0d> tyvm
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| 20:22 | most appreciated :)
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| 20:22 | <mgariepy> wille force**
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| 20:23 | will*
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| 20:23 | <alkisg> May the force be with you
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| 20:23 | <mgariepy> my keyboard must be broken...
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| 20:23 | haha
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| 20:23 | <pr0d> haha
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| 20:25 | apart from my screen bein up-side-down worked a treat ty guys
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| 20:25 | <alkisg> Uninstall the nvidia drivers from the server
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| 20:26 | <pr0d> Not an option sorry, ill just use gnome normal, works normally. I just copy and pasted the suggestion for quick testin :)
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| 20:26 | <alkisg> Or disable compiz on the client, see !disable_compiz
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| 20:30 | <pr0d> !disable_compiz
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| 20:30 | <ltsp> pr0d: disable_compiz: To disable compiz for all users, run: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 20:32 | <highvoltage> wow, alkisg is even helping people during UDS sessions :)
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| 20:32 | <alkisg> I'm also putting openssl support in epoptes :D
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| 20:32 | <highvoltage> if I could multitask that well I'd be very rich by now
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| 20:33 | <pr0d> i think i can confirm LDM_SESSION= is still broken in oneiric
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| 20:43 | <mnevans> Hmm, I seem not to be able to create a wiki page on UbuntuLTSP. Or anywhere else for that matter. I'm logged into launchpad
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| 20:43 | <matrix3000> can i remove network manager from an ltsp server
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| 20:44 | <mnevans> but there are no editing options. Maybe I overestimated the value of my contribution anyway :|
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| 20:44 | <alkisg> mnevans: it's a bit problematic, but if you retry it should display the editing options eventually
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| 20:44 | Which page are you trying to edit?
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| 20:45 | matrix3000: sure, you can, many people do
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| 20:47 | <matrix3000> it's overtaking my config on the /etc/interfaces/networking and it's pissing me off haha
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| 20:47 | <mnevans> alkisg, I was trying to create a new page under UbuntuLTSP/AMDE-350, perhaps right under the page there called "AtomIon". Can't see how to do it. Anytime I find a place to enter name of a new page to edit, I get 'you are not allowed to edit that page'. I'm admittedly a wiki newbie but
| |
| 20:48 | once set one up myself temporarily.
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| 20:48 | <alkisg> matrix3000: Alternatively, you can stop using /etc/network/interfaces
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| 20:49 | <matrix3000> well, i can't modify ip addresses from command line with network manager can i
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| 20:49 | or how do it?
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| 20:49 | <alkisg> mnevans: I created the page for you, can you edit it now? https://help.ubuntu.com/community/UbuntuLTSP/AMDE-350
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| 20:49 | matrix3000: you can drop connection files in /etc/NetworkManager/system-connections
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| 20:50 | I don't know about command line utilities for network-manager
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| 20:50 | But you can also run X from a thin client, no?
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| 20:51 | <matrix3000> what should the connection file look like, and which way do you recommend
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| 20:51 | <alkisg> Try in a machine where you have X, and get the file from there
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| 20:51 | Both ways are fine, whatever you prefer
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| 20:52 | Just don't do half of one and half of the other
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| 20:52 | <mnevans> Alkisg, I can see the page, but my only editing option is "Logout". Maybe in the words of the great Buffett, it is trying to tell me it's 5 o'clock somewhere? :)
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| 20:52 | <matrix3000> ok im going to remove network-manager
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| 20:52 | i don't need it and its more work
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| 20:52 | lol
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| 20:53 | <alkisg> mnevans: no idea, try asking in some ubuntu channel. It's probably just a login/cookie problem
| |
| 20:55 | <mnevans> Alkisg, thanks, sorry to bug you with this, just trying to pay it forward. FYI I did find https://help.ubuntu.com/community/WikiGuide/PageCreation and tried to enter a new page name, but this returns 'You are not allowed to edit this page.'
| |
| 20:55 | <alkisg> Try with another browser, just to be sure that you overcome all cookie problems?
| |
| 20:56 | <highvoltage> mgariepy: do you happen to have a link handy for that opengl bug on thing clients?
| |
| 20:57 | *thin clients, even
| |
| 20:57 | <mnevans> Before I go can I ask another question? Can't see a local usb memory stick on the thin client. I have gone through https://wiki.ubuntu.com/EnableLTSP5LocalDevices and https://wiki.ubuntu.com/DebugLocalDev, everything checks out ok, except I can't manually mount the stick.
| |
| 20:58 | <mgariepy> https://bugs.freedesktop.org/show_bug.cgi?id=40926
| |
| 20:58 | and
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| 20:58 | https://bugs.freedesktop.org/show_bug.cgi?id=37629
| |
| 20:58 | highvoltage,
| |
| 20:58 | <highvoltage> ah thanks mgariepy
| |
| 20:58 | ah that was for transparency, I was tlkaing of https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/785368
| |
| 20:58 | (but have found it)
| |
| 20:59 | <mnevans> Error message is here: http://pastebin.com/wdxsS7pd
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| 20:59 | <mgariepy> highvoltage this is fixed ;)
| |
| 20:59 | find someone to fix the other one ;)
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| 21:00 | anyway i'm out now. cya ya tomorrow
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| 21:03 | alkisg has left IRC (alkisg!alkisg@ubuntu/member/alkisg, Ping timeout: 258 seconds) | |
| 21:03 | <mnevans> Alkisg, I removed the cookies related to launchpad and now I can edit. Thanks. Ready or not, here I go...
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| 21:16 | <highvoltage> mgariepy: yeah someone in debian-edu has the same problem and I wanted to check whether it was related to that bug
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| 21:24 | <lifeboy> Gadi: Did you see anything in the source file at http://dl.dropbox.com/u/12668653/r6040.c that would solve my problem. In the vortex kernel, which uses 2.5.34 this compiles fine. In that kernel the nbd is the problem.
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| 21:25 | sorry, type, that's 2.6.34
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| 21:27 | <Gadi> that file differs from the one I downloaded from their ftp site
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| 21:27 | which was newer
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| 21:27 | my guess is you need that one
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| 21:28 | i need to head out for abit
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| 21:29 | <matrix3000> ha this is new
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| 21:29 | The nbd-server daemon doesn't allow for live configuration update.
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| 21:29 | To pick up the changes, the daemon needs to be restarted.
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| 21:29 | If it's a new LTSP chroot. Run /etc/init.d/nbd-server restart
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| 21:29 | THIS WILL DISCONNECT ALL YOUR CLIENTS (they'll need to be rebooted)
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| 21:29 | oops, don't know why it didn't put that on one line
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| 21:39 | <matrix3000> what does "Invalid Card Number" mean when logging into a thin client
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| 21:44 | <Hyperbyte> !alkisg
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| 21:44 | <ltsp> Hyperbyte: alkisg: The LTSP oracle. Our beacon of hope in the world of LTSP. With the guidance of this divine emperor, we shall prevail.
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| 21:44 | * Hyperbyte bows. | |
| 21:47 | * alkisg seriously needs to write an appropriate "answer" for Hyperbyte one of those days... :D | |
| 21:47 | <alkisg> Is your evening better than your morning?
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| 21:51 | <matrix3000> what does "Invalid Card Number" mean when logging into a thin client
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| 21:51 | <Hyperbyte> alkisg, not really. :)
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| 21:54 | <Gadi> matrix3000: it is probably referring to the sound card, as in you have none
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| 21:58 | <matrix3000> really?
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| 21:58 | on that computer i have one tho
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| 21:58 | eh, trying a fix for 11.10
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| 21:58 | saw it in the fat client page
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| 22:14 | <matrix3000> it was that missing config
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| 22:15 | <Mip5> Anyone have experience with Xexit? I'm trying it, but can't seem to get it to execute a script I've tossed into /etc/Xexit.d/ Any thoughts?
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| 22:18 | <Hyperbyte> Mip5, thin or fat clients?
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| 22:19 | Let me rephrase. What exactly are you trying to do?
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| 22:21 | <Mip5> ltsp 10.04.3 - trying to remove .gconf files from student account after they logout so next ltsp user can have a default setup
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| 22:21 | <Hyperbyte> Are you trying to create guest accounts?
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| 22:21 | I.e, accounts that can't save anything in their /home/ dir?
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| 22:22 | Either way, you can accomplish both.
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| 22:22 | But using Xexit.d isn't the way (I've never heard of it before today as well, but let's assume it works...)
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| 22:22 | <Mip5> No - not really. I've got 24 student accounts that are shared by different users. They can maintain docs in their home directory, but I don't want changes to the panel or desktop wallpapers to persist passed the logout
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| 22:22 | <Hyperbyte> Remember X runs on the client.
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| 22:23 | So running a script on X exit will not work, because the moment X exits on the client, the user is probably already logged out.
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| 22:23 | <alkisg> !xexit | echo Hyperbyte:
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| 22:23 | <ltsp> Hyperbyte: xexit: Instead of gnome-watchdog one can use xexit, which is a similar (but better!) tool written by an LTSP developer: http://www.opinsys.fi/en/killing-user-processes-with-xexit-on-ltsp-servers
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| 22:23 | <Hyperbyte> alkisg, nice!
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| 22:23 | I would still just create an LDM script to be ran on logout
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| 22:24 | <alkisg> But in Mip5's case, running it on login would make more sense than on logout
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| 22:24 | <Hyperbyte> Login, even better.
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| 22:24 | <alkisg> E.g. if something completely crashes, why not have the account clean on next login
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| 22:24 | <Hyperbyte> I would put something in /opt/ltsp/i386/usr/share/ldm/rc.d/
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| 22:24 | <Mip5> Excellent!
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| 22:24 | <Hyperbyte> alkisg, so how does Xexit work?
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| 22:24 | <alkisg> Gadi proposed xsession.d and I proposed pam_exec so that it also works for fat clients too
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| 22:24 | <Hyperbyte> Since X runs on the client?
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| 22:25 | <matrix3000> in that usr/share/ldm/rc.d/ those get ran on boot right?
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| 22:25 | <Hyperbyte> matrix3000, no.
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| 22:25 | <matrix3000> or when the user logs in
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| 22:25 | <alkisg> Hyperbyte: X runs on the client, but the session on the server
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| 22:25 | <Mip5> alkisg: if I were to use pam_exec, how would i go about it?
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| 22:25 | <alkisg> So e.g. if you pull the plug of a thin client, the processes are still running on the server
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| 22:25 | Mip5: man pam_exec
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| 22:25 | <Hyperbyte> matrix3000, /opt/ltsp/i386/usr/share/ltsp/xinitrc.d/ get ran on boot. /opt/ltsp/i386/usr/share/ldm/rc.d/ get ran on login/logout.
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| 22:26 | <Mip5> will do
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| 22:26 | <Hyperbyte> matrix3000, but if you want to run something during boot, there's far better ways, like RC_FILE
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| 22:26 | <alkisg> You just put 1 line, your script, in e.g. /etc/pam.d/common-session
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| 22:26 | <Hyperbyte> alkisg, ah, so "Xexit" doesn't really run on X exit, but more on session end?
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| 22:26 | <alkisg> Hyperbyte: so what xexit does, is that it pings the X server, and when it doesn't get an answer, it runs the parameters-scripts
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| 22:27 | I don't know the ping period, but I'm sure it's something periodical
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| 22:27 | (x-ping, not network ping)
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| 22:27 | <Mip5> It's 20-30 seconds
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| 22:29 | <Hyperbyte> alkisg, ah, okay
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| 22:29 | Well then Xexit would work as well, yeah. :)
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| 22:29 | Still, alkisg's advice of doing it on login is better I think. :)
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| 22:30 | <matrix3000> hmm 11.10 is pretty nice once you get it working with ltsp
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| 22:30 | <alkisg> I'm not sure if xexit would work with fat clients
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| 22:30 | <Hyperbyte> matrix3000, why?
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| 22:30 | <Mip5> alkisg: Aren't fat clients just thin clients that do somethings on their own (firefox, openoffice, etc)?
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| 22:30 | <matrix3000> too bad pxe cant tell if a computer is 64bit or 32bit
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| 22:30 | <alkisg> Mip5: well, the session is on the client then
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| 22:31 | So I don't know if xexit has access to the client X, or even if it runs at all
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| 22:31 | matrix3000: it can, see the pxelinux site
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| 22:32 | <mnevans> alkisg, I made the wiki entry: https://help.ubuntu.com/community/UbuntuLTSP/AMDE-350 . Would you have a look and correct? I am not sure I have the use of ltsp-chroot correct. (search for (or?) text). How is it different from running commands in ltsp-localapps xterm? Plus the formatting is a little cockeyed. Thanks again for your help.
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| 22:32 | <matrix3000> oh really ok im checking it out cause being able to have comps boot the x64 or the 32 bit image would be amazing
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| 22:32 | <Mip5> alkisg: okay - if I'm running local apps, I get some info in the menu bar displaying the hostid (eg, ltsp24), but only for some apps (the ones I've designated as localapps). Is that correct?
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| 22:32 | <alkisg> Mip5: localapps aren't fat clients
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| 22:32 | Yes what you're seeing is expected
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| 22:32 | <matrix3000> !pxelinux
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| 22:32 | <ltsp> matrix3000: Error: "pxelinux" is not a valid command.
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| 22:32 | <matrix3000> !pxelinux-site
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| 22:32 | <ltsp> matrix3000: Error: "pxelinux-site" is not a valid command.
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| 22:33 | <matrix3000> :(
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| 22:33 | <Mip5> okay - then i'm not running fat clients
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| 22:33 | <alkisg> mnevans: nice, but sorry I don't have time right now to go through it
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| 22:35 | <mnevans> Alkisg, thanks, of course, hopefully someone will correct my limited understanding of ltsp-chroot, if wrong.
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| 22:37 | <Mip5> alkisg: given that I'm running localapps, and not fat clients, is Xexit an appropriate path to pursue for this?
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| 22:37 | <matrix3000> what is the pxelinux site
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| 22:38 | <alkisg> Mip5: I don't have a different answer, it's the same
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| 22:40 | <Mip5> alkisg: thanks. I have installed it on the server, and not in the chroot. Does that seem right, given the use of thin clients? I couldn't see any reference to installing it in the chroot on the man page, or on opinsys page.
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| 22:40 | <alkisg> Mip5: if you're asking about xexit, I haven't used it, sorry
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| 22:43 | <Mip5> alkisg: Yeah, I was. Isn't pam related to authentication? Is pam_exec part of that?
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| 22:43 | <matrix3000> alkisg: what is that website because I am having issues finding it even searching google
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| 22:43 | <Hyperbyte> Mip5, pam_exec = execute something on authentication (login)
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| 22:43 | <alkisg> Mip5: yes, it's related to authentication, and pam_exec is designed to run programs when the session starts
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| 22:44 | <Mip5> Ah - the light goes on.... thanks. Makes sense
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| 22:44 | <alkisg> matrix3000: the syslinux site and the kernel.org site have been hacked a month or so ago, they haven't come up since
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| 22:45 | <matrix3000> ok, then were should i look to create a pxe file that can determin if a fat client is 64bit or 32 bit
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| 22:45 | and push the right image down
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| 22:45 | <alkisg> Ask in the syslinux channel
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| 22:45 | I don't know where else, or if, they keep their documentation
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| 22:46 | <Mip5> matrix3000: you can specify the image that comes down based on mac address. Anyway you could leverage that info?
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| 22:48 | <matrix3000> um haha, not yet
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| 22:48 | but that's the only way?
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| 22:49 | <Mip5> There might be others, but the pxe server knows about mac addresses, I don't think it does any probing *first* before sending down a file. Then again, I don't know too much!
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| 22:54 | <matrix3000> what is comperable to locking down unity since there is no gnome
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| 23:01 | <Mip5> well thanks gang - gotta hit it again tomorrow. G'night.
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