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Old 06-30-2017, 03:45 AM   #1
Hail Happiness
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Registered: May 2017
Distribution: Linux Mint 18.1
Posts: 16

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Trouble with crontab calling notify-send


I want to run a command in crontab that sends a popup notification at 1:00, 1:05, 1:10, and 1:15 AM every day.

What I did:

- Ran crontab -e in terminal
- Pasted
Quote:
*/5 1 * * * /usr/bin/notify-send 'Title of the message' 'Text of the message' >/dev/null 2>&1
- Exited the crontab editor

What went wrong:

- It didn't work

Additional info:

- If I run crontab -l, it shows my command as pasted above, but doesn't run it
- The editor opens the crontab file as a temporary one (not sure about this, but definitely in the /tmp folder, not /home or /usr)
- Running Mint 18.1

What I need to know:

- What file do I need to write the changes to? I tried /etc/crontab (had to run the editor as sudo to do so), but that didn't work. I am told that that is the system crontab file (I don't know the difference).
- Is the script correct?
- What is the difference between user and system crontab?
- What do I need to do in general?

Thanks for the help
 
Old 06-30-2017, 05:11 AM   #2
pan64
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Registered: Mar 2012
Location: Hungary
Distribution: debian/ubuntu/suse ...
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you should redirect stdout and stderr into file(s) to see what's happening
 
  


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