On Thu, 03 Mar 2005 15:57:30 +0100, Marcin Szarek <marcin.szarek@xxxxxxxx> wrote: > Hello, > > Some programs don't start when invoking from GNOME terminal. The output > says that the program "cannot open display". My $DISPLAY equals ':0.0'. > What should I do to be able to run for example Oracle Universal > Installer from terminal? > > TIA > Exit out from root back to whatever user you started as. Run this from the command line: xhost+ Now su - back to root. Run: export DISPLAY=:0.0 Now run the installer and you should be fine.