On Sun, 2006-01-08 at 14:06 +0100, Peter Lesterhuis wrote: > Thanks John and Paul. > When I do : > > at <time> > export DISPLAY=:0 > <command to launch any GUI-based app> > > I can start any GUI-based application indeed. > I understand now that "at" is not capable of launching apps in a > X-environment without the second line. > Still I can't find out why it won't start mplayer. > Peter. > > hey peter - heh. isn't it interesting how we learn new stuff. i'd never thought about export display before. very interesting. you might want to turn on the shell's -x and perhaps -v parameters and see if anything interesting turns up. john