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To setup a simple reminder to appear on your screen at a set time you can use xmessage with the 'at' command:
echo 'xmessage "Hello"'|at 19:00

Alternatively to be alerted a set time later, use sleep:
sleep 8h; cat /dev/urandom > /dev/dsp

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I haven't tried it specifically, but afair you can't convince cron/at to pop up messages to X, they don't get authorized.
Posted 2009-01-22 14:48:49
I think the first code snippet will not work in the way it should. You must use backticks to execute the programm xmessage with its parameter.
echo `xmessage "Hello"` | at 19:00
Posted 2009-01-22 19:53:20
First one wouldn't work in anyway.
Posted 2009-01-23 20:25:36
I've been trying to find a way to start X apps via at and cron, is there nothing at all we can do to start an interactive app via scheduling?
Posted 2009-01-28 11:16:14

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