On my thinkpad T23 I use hotkey Fn+F3 to switch off screen on a Fedora Core 4 with ibm-acpi module. The script is : export DISPLAY="localhost:0.0" xhost + xset dpms force off Into /var/log/acpid I get the followind logs : _X11TransSocketOpenCOTSClient: Unable to open socket for tcp _X11TransOpen: transport open failed for tcp/localhost:0 xhost: unable to open display "localhost:0.0" _X11TransSocketOpenCOTSClient: Unable to open socket for tcp _X11TransOpen: transport open failed for tcp/localhost:0 xset: unable to open display "localhost:0.0" I have enable the tcp socket of the X server with gdmsetup and the X server is listening on port 6000. If I use the same script as root, it works fine. Dos anyone have already resolved that kind of problem ? Thanks in advance for your help Frédéric
