[systemd-devel] What exactly is multi-seat? -- questions about logind

[Reindl Harald]

Am 26.01.21 um 10:43 schrieb Kian Kasad:
> Hi all,
> 
> After reading the documentation on logind and multi-seat (specifically
> sd-login(3) and "Multi-Seat on Linux"), I still have some questions.
> 
> First of all, what exactly is multi-seat? 

Google "systemd multiseat" links to 
https://www.freedesktop.org/wiki/Software/systemd/multiseat/

it's really about seats, the stuff where you place your arse in front of 
your IO devices :-)

> Does it just mean allowing
> multiple sessions to be running at once, like for multiple users to be
> logged into the same desktop, even though only one will be in use at a
> time?
> 
> Second, why is logind needed for this? Is it not possible to do without
> logind? I've run Xorg perfectly fine on systems without logind/systemd,
> so is logind only needed for multiple sessions at once? Is it just to
> handle the graphical device(s)?
> 
> Third, is multi-seat possible at all without logind?
> 
> Most of these questions arose because my main OS, Artix Linux, requires
> logind (in the form of elogind) for Xorg, but I know that Xorg runs just
> fine on Alpine Linux, which does not use logind at all

you can start X11 with "startx" line in the 1990s but who is doing it 
that way these days?