How do I run graphical application as root on ubuntu 18.04 gnome 3?
You’d think they would have documented this … try sudo -H ‘appname’
I’ll give you that this time - but
I’ve moved this to the https://community.ubuntu.com/c/support-help-requests category because this site isn’t designed to take tech support questions. Sorry. I’d recommend using one of the official support channels listed on the Finding Help page