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


Channel log from 14 January 2021   (all times are UTC)

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