Locking the screen

[Peder]

> When I select "Lock Screen" for Copernicus, it works.
> On Tycho, "Lock Screen" does absolutley nothing.

 Are you sure xscreensaver is running? Try
 'xscreensaver-command -activate '
 in an xterm on Tycho and see.

 If you are running X as root on Tycho xscreensaver won't work
 for security reasons (if I'm not mistaken). Log in as a normal
 user and try the above.

 Regards,

 Peder Hedlund