Description of problem: After running ssh root@localhost, running the command gdmsetup fails with: (gdmsetup:4638): Gtk-WARNING **: cannot open display: running "xhost + localhost" and "export DISPLAY=LOCALHOST:0.0" fails to solve the problem. It works on FC 1 and 2 Version-Release number of selected component (if applicable): 2.6.0.3-5 How reproducible: always Steps to Reproduce: 1. ssh root@localhost 2. gdmsetup Actual results: prints out: (gdmsetup:4638): Gtk-WARNING **: cannot open display: Expected results: gdmsetup UI should pop up
Did you pass -Y to ssh?
Nope. Adding the -Y option solves the problem.