Matt Whitfield wrote:
> Hi all, just playing about last night and I set 'at' up as a kind of
> alarm clock, but I couldn't get it to send me an 'Xmessage', it
> complained about not being able to open DISPLAY but if I get it 'echo
> DISPLAY' it does echo the correct one in the email it sends me, but
> still won't message me. It does complete the tasks it's set but I would
> really like a message to tell me when it's finished.
> Any ideas ?
Probably an X authorization problem. The display is owned by the user logged
into X and that user must grant authorization to orhers. A quick test would be
to open up the display to all users with:
xhost +
This should generate a message that security has been disabled. Any user
should now be able to open a window on the display.
Hope this helps,
Bret
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