*** This bug is a duplicate of bug 1755536 ***
https://bugs.launchpad.net/bugs/1755536
I recently switched from MATE to Gnome I experience the same problem.
I have found that I can start gnome-control-center if I set the environment
variable CLUTTER_BACKEND to wayland. You can start in in your shell like so:
CLUTTER_BACKEND=wayland gnome-control-center
If I check my current environment for clutter environment variables I
see:
$set | grep -i clutter
CLUTTER_BACKEND=x11
CLUTTER_IM_MODULE=xim
None of those are set in any of my dot files in my home, the culprit
appears to be:
X11/Xsession.d/99mate-environment: export CLUTTER_BACKEND=x11
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https://bugs.launchpad.net/bugs/1758247
Title:
gnome-control-center is not open ubuntu 18.04
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