Description of problem: Trying to run "sudo nm-connection-editor" inside a gnome-terminal: sudo nm-connection-editor No protocol specified Unable to init server: Could not connect: Connection refused The same without sudo runs (the password will be asked afterwards Version-Release number of selected component (if applicable): nm-connection-editor-1.4.0-1.fc25.x86_64 How reproducible: always Steps to Reproduce: 1.sudo nm-connection-editor inside a gnome-terminal 2. 3. Actual results: See above Expected results: accepted Additional info:
Change in /etc/gdm/custom.conf: WaylandEnable=false solves the problem
Seems to be solved in F26