IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 14 January 2021 (all times are UTC)
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| 11:46 | <Hyperbyte> Hi alkisg. :-) You around?
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| 12:34 | <alkisg> Hi Hyperbyte, just in, but only for a few minutes...
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| 12:42 | <Hyperbyte> I had some dbus/pulseaudio issues after upgrading from 18.04 to 20.04
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| 12:42 | But I think I resolved it
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| 12:42 | <alkisg> OK
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| 12:42 | New ltsp now, or still ltsp5?
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| 12:42 | <Hyperbyte> Maybe not.
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| 12:42 | I have no idea actually
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| 12:42 | I just ran do-release-upgrade and was surprised things still worked
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| 12:42 | <alkisg> dpkg -l | grep ltsp | nc termbin.com 9999
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| 12:43 | Eh then you still have the old, unmaintained one
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| 12:43 | You'd need to follow the installation process for the new one
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| 12:43 | !install
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| 12:43 | <ltspbot`> install: To install LTSP: https://ltsp.org/docs/installation/
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| 12:43 | <Hyperbyte> Possibly yeah, says 18.04 version
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| 12:44 | Wow, everything has changed.
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| 12:44 | <alkisg> Yes, a complete rewrite, but the philosophy is the same
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| 12:44 | For me that I know how to, it takes me 1 minute + one ltsp image / to migrate from the old to the new ltsp
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| 12:46 | <Hyperbyte> Is this using NFS also for chrootless design?
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| 12:47 | Oh that's image over NFS, right?
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| 12:47 | <alkisg> Right
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| 12:47 | Much more stable, you can reboot the server and have the clients still online
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| 12:47 | <Hyperbyte> Also, I should probably remove the 18.04 ltsp packages?
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| 12:47 | <alkisg> Yes
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| 12:47 | They can coexist if you want, but there's no point in it
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| 12:47 | <Hyperbyte> This sounds like something I want to undertake after office hours. :-)
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| 12:47 | <alkisg> Yeah :)
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| 12:47 | <Hyperbyte> So this will probably solve my dbus/pulseaudio issue?
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| 12:48 | Or is that unlikely?
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| 12:48 | <alkisg> Probably, as we don't have a single line in the code about pulseaudio
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| 12:48 | So if it works in "normal ubuntu", it will work in ltsp too
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| 12:48 | <Hyperbyte> Okay. It seems somehow systemd/dbus related, but I can't pinpoint it.
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| 12:48 | Is the layout for /var/lib/tftpboot/ -> lts.conf still the same?
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| 12:49 | <alkisg> Everything was moved to /srv/
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| 12:49 | For FHS compliancy
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| 12:49 | No opt, no var anymore
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| 12:50 | <Hyperbyte> Hmmm
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| 12:50 | But still same lts.conf layout/etc/?
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| 12:51 | <alkisg> Not exactly. Now it's called ltsp.conf, and it also has server side settings.
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| 12:51 | But it's similar with the older lts.conf
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| 12:51 | And it goes in /etc/ltsp
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| 12:51 | <Hyperbyte> Okay.
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| 12:51 | <alkisg> You'll need to read the installation page
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| 12:51 | <Hyperbyte> I can probably skip epoptes if I want?
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| 12:51 | <alkisg> And the man pages, now they're the best source of information
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| 12:51 | Sure
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| 12:52 | <Hyperbyte> And anything for dhcp config? I'm using another dhcp server, ltsp server itself isn't dhcp
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| 12:52 | Maybe path change?
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| 12:52 | <alkisg> Supporting UEFI and BIOS requires a setup like this: https://ltsp.org/advanced/isc-dhcp-server/
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| 12:52 | (or the internal proxydhcp of ltsp)
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| 12:52 | I recommend using proxydhcp, and completely removing netboot support from your main dhcp
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| 12:53 | main dhcp => ip leases, proxydhcp => netboot information
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| 12:53 | This also allows for load balancing and a lot more, and it's the default ltsp setup, no option necessary to use it
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| 12:53 | <Hyperbyte> Isn't it slower?
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| 12:53 | <alkisg> DHCP? It takes 0.1 second, you need less than that?
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| 12:53 | <Hyperbyte> Yes please
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| 12:54 | No that's okay, I'll consider the proxydhcp.
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| 12:54 | <alkisg> Well, you can follow the URL I pasted in your main server then
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| 12:54 | As you need at least 3 different filenames for BIOS/UEFI/LTSP
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| 12:54 | (DHCP boot filename isn't just one now)
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| 12:57 | * alkisg waves, later... | |
| 13:02 | <Hyperbyte> Bye! Thanks for the tips.
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| 14:16 | <mwalters> I'm still running the old ltsp5, but I'm not in a position where I can upgrade yet. Is it possible to specify a cups server for the clients other than the ltsp server? If so, how? I checked `man lts.conf` and couldn't find it.
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| 14:17 | Also, hi everyone, hope you're doing well :)
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| 14:21 | <alkisg> Hi mwalters, CUPS_SERVER=the-other-server should work in LTSP5 too
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| 14:22 | It's better to use an IP rather than a hostname there though
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| 14:22 | <mwalters> fantastic, thanks alkisg! Running into an issue where cups-filters is sending n^2 requested copies to a particular printer model, lol
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| 14:22 | Spinning up another server with a newer version on it is much more doable at the moment
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| 14:23 | <alkisg> After the client boots, run `cat /etc/cups/client.conf`
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| 14:23 | The new server should be there...
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| 14:23 | <mwalters> Very cool, thanks!
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| 14:24 | <alkisg> np
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| 15:11 | <Hyperbyte> alkisg, I'm a bit confused currently.
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| 15:11 | Does LTSP still use ldm?
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| 15:12 | <alkisg> Hyperbyte: no, we switched to pam/any dm
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| 15:12 | <Hyperbyte> Okay, so I installed lightdm
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| 15:12 | And it says user doesn't exist
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| 15:12 | I guess that's because users are in LDAP :-|
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| 15:13 | Correct?
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| 15:13 | <alkisg> LDAP is properly supported
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| 15:13 | The chroot needs to join ldap in its pam
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| 15:14 | <Hyperbyte> Well this is chrootless
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| 15:14 | And the host is joined in LDAP
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| 15:14 | <alkisg> Does `getent passwd` on the clients, show the users?
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| 15:14 | <Hyperbyte> How do I set a root password on the chroot so I can actually login?
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| 15:14 | <alkisg> Run `man ltsp.conf` and see the last example
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| 15:18 | <Hyperbyte> I guess I need to rebuild the image after modifying ltsp.conf
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| 15:22 | I might just ditch LDAP. It's not that useful anymore in our current environment.
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| 15:24 | <alkisg> Afer modifying ltsp.conf you need to run ltsp initrd
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| 15:24 | Not ltsp image
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| 15:25 | <Hyperbyte> Did that too, but the 'qwer1234' thing isn't working.
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| 15:25 | I'll replace it with my own /etc/shadow entry just to make sure
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| 15:28 | Oh that worked
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| 15:42 | <Hyperbyte> Hah, the client couldn't resolve the name of the LDAP server
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| 15:55 | I think it's all working now. :-) Nice.
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| 16:11 | <alkisg> :thumbs:
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