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


Channel log from 14 May 2020   (all times are UTC)

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07:44
<xiphias256>
Hi! I have an old ltsp instance that is about to be upgraded. Is XRANDR_COMMAND_[0..9] supported in /etc/ltsp.conf as it was in lts.conf. It is not mentioned in the man page. If not how can I use xrandr commands on different clients?
07:44
<alkisg>
xiphias256: display managers do not all support hooks to run xrandr commands. You're supposed to use a xorg.conf, when that is necessary
07:45
!ltsp.conf
07:45
<ltspbot>
ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
07:45
<alkisg>
There are instructions there to dynamically create xorg.conf as neeed
07:45
Initializing xorg and running xrandr commands afterwards was a hack anyway; it's best to initialize xorg at the target settings at once, not afterwards
07:46
Otherwise the dpi get wrong, the max panning size etc
07:46
Finally, xrandr won't work at all with wayland
07:50
<xiphias256>
Ok, I used it to define primary screen and to say which screen was left/right. Autodetect didnt work as intented.
07:51
<alkisg>
xiphias256: sure, a xorg.conf can easily do that
07:51
The benefit of xorg.conf vs custom xorg commands, is that it's already documented elsewhere, and that it works without ltsp as well
07:51
So you can use the same knowledge in managing ltsp vs non-ltsp labs
07:52
<xiphias256>
I rather stick with defaults (wayland)
07:52
<alkisg>
Sure, that one is documented too, and will work fine with the new ltsp, while it wouldn't work with the old one
07:53
LDM didn't support wayland at all
07:56
<xiphias256>
Yeah, it's great that this new ltsp version is released and that LDM is gone! :) Hmm.. where is wayland config documented?
07:56
<alkisg>
In upstream wayland :)
07:57
That's the good thing, that it's no longer ltsp specific at all
07:58
xiphias256: which distro/version are you using?
07:58
<xiphias256>
Ahh...makes sense! Thanks :)
07:58
Debian 10
07:59
I have been burned to many times with Ubuntu. Dist-upgrade is a mess.
08:00
<alkisg>
Eh, each one has its benefits. As long as it's deb, I'm fine; I hate snaps :)
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08:02
<xiphias256>
Agree deb is the way to go :)
08:05
<alkisg>
Btw wayland display settings seem sooooo immature compared to xorg...
08:06
They seem to be mostly handled by the compositor, so one would need different instructions based on if he uses kde, gnome, sway, whatever...
08:06* alkisg is glad that ltsp doesn't need to worry about all that :D
08:07
<quinox>
Tearing is nearly gone in Wayland / sway for me which is cool, but my chrome sometimes becomes painfully slow to scroll
08:07
<alkisg>
I think xpresent had made tearing go away in xorg too. Sure a protocol rewrite was needed, but not enough resources were put into it...
08:17
<xiphias256>
Hmm..I will give it a try and see how it goes. I upgraded another ltsp instance recently from debian8 -> Debian10. It worked great. But this was a simpler 1-screen solution
08:17
<alkisg>
Google says that sway has a "swap monitors" setting, which would do what you want even in wayland
08:25
<xiphias256>
Crap... "SWAY is not included in any of the official Debian installers and is not available in the main stable (Buster) repositories."
08:26
<alkisg>
I think "gnome display settings" can also do it, from the GUI
08:27
https://packages.debian.org/search?keywords=sway
08:27
Eh you can probably install it from bullseye
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