[microtonal]

> or simply you're not root.

Maybe I misremember, but didn't X11 require the SUID bit set before systemd-logind if you wanted to use a GPU?

(Of course, if you want to run remote X11 clients, then you don't need elevated privileges.)

[Galanwe]

Sure, I was talking about remote dev boxes, I would then connect to them using a local X server.