IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 27 October 2019 (all times are UTC)
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| 12:49 | <pavars> Hi, we tried today to install ltsp19 alongside the previous installation in chrootless way, and now it throws error when booting up thinclient: Could not configure PAM foor SSH authentication!
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| 12:50 | LTSP command failed: /usr/share/ltsp/client/login/pamltsp install
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| 12:50 | aborting ltsp
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| 12:50 | we had nfs mount issues but got it resolved
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| 13:35 | <pavars> I guess it is because of ldap authentication?
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| 13:38 | <alkisg_android> pavars, are you using ldap?
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| 13:38 | <pavars> yes
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| 13:39 | I just removed this file /etc/ltsp/client/init/55-pam.sh
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| 13:39 | and managed to move
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| 13:39 | <alkisg_android> see the ltsp issues on github for a how to
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| 13:39 | <pavars> sorry, mixing up thing
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| 13:39 | <alkisg_android> ah ok
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| 13:39 | <pavars> managed to boot forward
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| 13:39 | is pamltsp needed ? or what manual changes do I need to make since I've disabled it
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| 13:41 | <alkisg_android> https://github.com/ltsp/ltsp/issues/16
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| 14:16 | <pavars> is it possible to make the thinclients mount /home on the ltsp server ?
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| 14:28 | <kvaps> Hi there!
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| 14:30 | <uumas> Hi!
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| 14:31 | <kvaps> I'm using LTSP for pxe-booting a lot servers, and managing them via kubernetes.
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| 14:33 | I've sent many patches to LTSP5, but most of them were abandoned. So I'm so glad that we have rreliable fork now! :-)
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| 14:35 | <uumas> It's actually a complete rewrite from the same developer, alkisg so not actually a fork :)
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| 14:36 | <alkisg> kvaps: example patch?
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| 14:36 | (hello to all)
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| 14:36 | <kvaps> Yep, that's true. But I was really surprised that someone decided to dial with that.
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| 14:37 | <alkisg> pavars: ltsp19 doesn't support thin clients; you'd need to use x2go or xfreerdp on top of ltsp19 for that
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| 14:37 | kvaps: I've been writing ltsp code for 10+ years now; but now with uefi a rewrite was needed...
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| 14:37 | Same with epoptes, when a rewrite to python3 (from 2) was needed, I spent a summer there too
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| 14:38 | <kvaps> >example patch Grub2 support with efi, fixing NBD_TO_RAM option
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| 14:39 | I need to learn new source code, but I will be glad to contribute
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| 14:39 | <alkisg> Ah, 2018, yeah it was too late then, as a rewrite was a better option than patching the old one
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| 14:40 | Sorry for that :)
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| 14:42 | And sure, patches are most welcomed for whatever's missing in ltsp19
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| 14:42 | <kvaps> I'm going to add an option for use LTSP without graphic mode, it might be very useful for stateless servers. You know, I really like this use it for this case.
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| 14:43 | <alkisg> I don't think I have any dependency on graphics, it should already run on headless servers
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| 14:43 | <pavars> @alkisg we are going to change the clients to beefier ones so will leave them as fat, although I cant figure out how to install /etc/exports/ltsp-nfs.conf to get the home mount
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| 14:43 | <kvaps> Cool, I'll check that, I just found new project :)
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| 14:44 | <alkisg> I even managed to boot a plain `debootstrap` chroot, i.e. the minimal chroot
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| 14:44 | pavars: man ltsp-nfs, see the FSTAB line there
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| 14:45 | <kvaps> Do I right understand that nfs is main method for distributing squashed image now?
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| 14:45 | <alkisg> Yes, it's a lot more stable
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| 14:45 | <kvaps> Agree with that
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| 14:45 | <alkisg> You can even reboot the server and the clients will continue fine after reboot
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| 14:45 | Which was impossible with nbd
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| 14:45 | <pavars> do I have to symlink a new user every time when someone new comes?
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| 14:46 | <alkisg> pavars: symlink what where?
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| 14:46 | <pavars> this part
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| 14:46 | mkdir /home/nfs
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| 14:46 | for u in guest01 guest02; do
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| 14:46 | mv "/home/$u" /home/nfs/
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| 14:46 | ln -s "nfs/$u" "/home/$u"
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| 14:46 | done
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| 14:46 | <alkisg> ah sorry
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| 14:46 | that's for "safe nfs"
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| 14:46 | you only need an fstab line
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| 14:46 | <pavars> I have added the line
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| 14:46 | <alkisg> man ltsp.conf instead
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| 14:46 | and see fstab there
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| 14:46 | OK you only need that line, nothing more
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| 14:47 | <kvaps> alkisg: we just using LTSP_NBD_TO_RAM option, it is working as a charm
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| 14:47 | <pavars> do I need to run ltsp --home-dir=/home nfs --export-home=1 ?
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| 14:47 | <kvaps> we can also add http booting method
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| 14:48 | <pavars> for somewhat reason the clients are still not picking up the correct home
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| 14:48 | [clients]
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| 14:48 | # Specify an /etc/fstab line for NFS home; note this is insecure
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| 14:48 | FSTAB_NFS="192.168.88.20:/home /home nfs defaults,nolock 0 0"
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| 14:48 | <kvaps> Hey is someone going to DevConf.cz? I'm going to talk about LTSP and network booted servers there
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| 14:49 | <alkisg> brb in 20 mins
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| 14:50 | <kvaps> and hello from russian LTSP-community to you, we already have 100 members https://t.me/ltsp_ru
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| 15:04 | <alkisg> Back
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| 15:04 | pavars: are you running `ltsp info` after changing ltsp.conf?
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| 15:04 | Also, what's your current /etc/exports.d/ltsp-nfs.exports like?
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| 15:05 | kvaps: see https://github.com/ltsp/community/issues; if you think creating a ru-community would be a good idea, I could surely do that
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| 15:05 | With issues (forum-like) and wiki etc
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| 15:07 | pavars: also, this would help from the client: showmount -e server
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| 15:14 | <pavars> I'm moving the home folder now which takes forever, maybe that is an issue since we copied over from the old server
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| 15:14 | # Export LTSP chroots and images
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| 15:14 | /srv/ltsp *(ro,async,crossmnt,no_subtree_check,no_root_squash,insecure)
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| 15:14 | # Export TFTP_DIR over NFS as well, for synching local kernels and ltsp.img
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| 15:14 | /srv/tftp/ltsp *(ro,async,crossmnt,no_subtree_check,no_root_squash,insecure)
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| 15:15 | ltsp info output:
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| 15:15 | root@ltsp-chi2-omniscriptum:~# ltsp info
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| 15:15 | LTSP version: 19.09-1~201909270716~ubuntu18.04.1
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| 15:15 | SERVER XSESSIONS: mate.desktop xfce.desktop xubuntu.desktop
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| 15:15 | SERVER OS: PRETTY_NAME="Ubuntu 18.04.3 LTS"
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| 15:15 | CHROOTS:
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| 15:15 | VMs:
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| 15:15 | IMAGES:
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| 15:16 | x86_64
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| 15:16 | and I ran ltsp initrd
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| 15:22 | <alkisg> You don't export /home
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| 15:23 | So yeah `sudo ltsp nfs --nfs-home=1`
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| 15:24 | Also..
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| 15:24 | !paste
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| 15:24 | <ltsp> paste: To avoid channel flooding, please upload text longer than 3 lines to http://paste.debian.net. Don't forget to paste the resulting URL here.
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| 20:25 | <fullashtray-uk> hello]#
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| 20:26 | Is anyone available to give some advice?
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| 20:37 | <alkisg> Sure :D
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| 22:46 | <pavars> alright, thanks for the help, had to remove the /etc/exports.d/ltsp-nfs.exports and run the sudo ltsp nfs --nfs-home=1 which worked like a charm, currently the clients have 2 core cpu and 2gb ram, but it probably would be better with 4gb ram. Can anyone here suggest lowcost thin clients that would work for this, preferably refurbished as this drops the price significantly
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| 22:46 | we need at least 50 more clients
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