System Grab Bag

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crontab

Schedule cron jobs to run on a time interval for the current user. More information: https://crontab.guru/.
  • Edit the crontab file for the current user:
    crontab -e
  • Edit the crontab file for a specific user:
    sudo crontab -e -u {{user}}
  • Replace the current crontab with the contents of the given file:
    crontab {{path/to/file}}
  • View a list of existing cron jobs for current user:
    crontab -l
  • Remove all cron jobs for the current user:
    crontab -r
  • Sample job which runs at 10:00 every day (* means any value):
    0 10 * * * {{command_to_execute}}
  • Sample crontab entry, which runs a command every 10 minutes:
    */10 * * * * {{command_to_execute}}
  • Sample crontab entry, which runs a certain script at 02:30 every Friday:
    30 2 * * Fri {{/absolute/path/to/script.sh}}

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