Hi, You need the rights to launch X applications on your local machine. Type "xhost + remote_machine_name" in a terminal on your local PC. Hope this solves your problem, Silvère > Hi, > I'm running an example remotely over ssh. I did ssh -X, and verified > that DISPLAY is set. However, when I run, I get: > 'unable to open display :0.0"' > > Ideas?