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I have a production server that runs several bash scripts on the local desktop. Two scripts run all the time and don't need to be stopped. I have a third Python script that I need to start at 9AM. It automatically quits at 1:30AM.

If I add the following to my cron file, it successfully launches leafpad.

* * * * * env DISPLAY=:0 leafpad

As an example, this doesn't work:

* * * * * env DISPLAY=:0 /bin/bash

I tried

* * * * * env DISPLAY=:0 /usr/bin/python /scripts/mypython.py

and the script does start (it sends a startup email), but it's not running on the desktop. What am I missing?

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leafpad has a GUI, /bin/bash and /usr/bin/python not. You need a terminal emulator, eg lxterm.

* * * * * env DISPLAY=:0 lxterm -e "/bin/bash -c '/usr/bin/python /scripts/mypython.py'"

or a bash:

* * * * * env DISPLAY=:0 lxterm -e "/bin/bash"
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  • This didn't work for me. – user38537 Jul 9 '15 at 7:06
  • Which terminal do you use? lxterm? – A.B. Jul 9 '15 at 7:07
  • I use bash. Is that not the terminal? Whatever Ctrl+Alt+T launches is what I use. – user38537 Jul 9 '15 at 7:09
  • bash is a shell, lxterminal is a terminal emulator. You can start a shell inside a terminal. – A.B. Jul 9 '15 at 7:10
  • Okay. I'll keep toying with it. – user38537 Jul 9 '15 at 7:13

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