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Do you know if it's possible to run a second session in a window? (lemmy.world)
submitted 3 days ago by talkingpumpkin@lemmy.world to c/linux@lemmy.ml
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I'm not much hoepful, but... just in case :)

I would like to be able to start a second session in a window of my current one (I mean a second session where I log in as a different user, similar to what happens with the various ctrl+alt+Fx, but starting a graphical session rather than a console one).

Do you know of some software that lets me do it?

Can I somehow run a KVM using my host disk as a the disk for the guest VM (and without breaking stuff)?

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[-] Max_P@lemmy.max-p.me 92 points 3 days ago

Totally possible. It'll work best with Wayland thanks to nested compositor support, whereas on Xorg you'd need to use Xephyr which doesn't do hardware acceleration.

# Give the other user access to your Wayland socket
setfacl -m u:otheruser:rx $XDG_RUNTIME_DIR
setfacl -m u:otheruser:rwx $XDG_RUNTIME_DIR/wayland-0

# Open a session as the other user (note the trailing @, it's there to login in to the local machine)
sudo machinectl login otheruser@

# Start your DE!
WAYLAND_DISPLAY=/run/user/$(id -u yourmainuser)/wayland-0 startplasma-wayland

And tada! Nested Wayland session

[-] talkingpumpkin@lemmy.world 6 points 2 days ago

Wow, that's so neat!

On my machine it opens a fullscreen plasma spash and then it shows the new session intermixed/overlayed with my current one instead of in a new window... basically, it's a mess :D

If I may abuse your patience:

  • what distro/plasma version are you running? (here it's opensuse slowroll w/ plasma 6.1.4)
  • what happens if you just run startplasma-wayland from a terminal as your user? (I see the plasma splash screen and then I'm back to my old session)
[-] nerdovic@discuss.tchncs.de 1 points 2 days ago

Screenshot of said mess? Purley for entertainment 😄

[-] talkingpumpkin@lemmy.world 1 points 21 hours ago

I fear it was nothing that entertaining: it was just my "normal" dark panel at the top of the screen and a second "default" white one at the bottom (this last one partially covered the windows I had open). I didn't try triggering notifications or otherwise causing some kind of mayhem.

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this post was submitted on 15 Sep 2024
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