GNU/Linux Desktop Survival Guide
by Graham Williams
It seems that the DISPLAY environment variable might
need to be set, as in:
Jarda Benkovsky reported (29 May 2006) a problem when running the installation from a remote FreeBSD machine by loogging in with ssh -X (to enable X11 forwarding). When running runInstaller the splash screen appeared okay but only empty windows opened after this. The solution is that you need to connect with ssh -Y (to enable trusted X11 forwarding).