Comment 4 for bug 1731324

Douglas Souza (douglascpsouza) wrote :

Wayland is designed to not allow elevated (sudo -H, gksu ...) permissions with GUI application programs.

There is a workaround to allow graphical application programs owned by other users than the logged in user in Wayland:

xhost +si:localuser:root

Take a look at: https://wiki.ubuntu.com/Wayland/gks