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I want my computer to be turned off every day at 21:30. How do I do this?

I found this command:

sudo shutdown -h 21:30 

Is this correct?

With this I have to have the terminal open all the time. I read that I also can run it in the background so I don't have to have the terminal open all the time. How do I do this?

If I don´t have to run it in the background, what else do I have to do?

3
  • You can setup a cron job.
    – Pilot6
    Nov 3 '16 at 10:31
  • How do I do that? I just a beginner with ubuntu. Nov 3 '16 at 10:36
  • You can search "how to setup a cron job".
    – Pilot6
    Nov 3 '16 at 10:37
2

you can use this;

open cron file;

sudo -H gedit /etc/crontab

add below end of line

30 21 * * * root shutdown -h now
2
  • I think it works. But when I try to change the time to test it now I get: ** (gedit:5144): WARNING **: Set document metadata failed: Instellen van attribuut metadata::gedit-spell-enabled is niet mogelijk Nov 3 '16 at 10:52
  • Sorry, but still does not work. Really I have no clue what I am doing so please help me. When I put in the code and wanted to close the terminal, the code was gone. Nov 3 '16 at 11:11

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