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Wayland headless multi seat? (sh.itjust.works)
submitted 4 days ago by muusemuuse@sh.itjust.works to c/linux@lemmy.ml
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I'd like to try to get fedora to host a second headless Wayland session in the background for a remote user. I have a GPU but I want to share its render and compute, not the physical HDMI output, so I need a virtual Wayland session for the second seat.

Supposedly logind could handle the seat and udev permission issues clean enough, but headless use is still beyond me there.

I'd like a KDE Plasma environment running headless and then sunshine can just stream this session out using the war capture method. I just don't know how to start up a separate Wayland session under another linux user in the background with a plasma session drawing to an imaginary monitor.

There seem to be 2 ways of doing this.

  • wlheadless-run - a young project made to solve this particular problem
  • kwin --virtual can theoretically do this, but I'm not finding clear examples of it
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[-] moonpiedumplings@programming.dev 1 points 4 days ago

Second comment:

https://docs.lizardbyte.dev/projects/sunshine/v0.21.0/about/guides/linux/headless_ssh.html

There is also this guide, but it is specific for Xorg and Nvidia gpus. But I suspect that if you replace the startx here with startplasma-wayland or dbus-run-session startplasma-wayland, then it will work. It would still be nvidia gpu specific though.

[-] muusemuuse@sh.itjust.works 2 points 4 days ago

that won't work. that only applies to X11. Wayland doesnt work that way.

this post was submitted on 28 Jul 2026
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