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Is a job scheduler Software on Linux systems using a special format


  • Edit cron of a user sudo crontab -e -u USER (-u to edit specific user)
  • Check if the cron expression is correct: crontab guru
  • Use in cooperation with Visudo to execute a task as root


  • ⚠️ Be careful that some cron expression are in 6 digits, the left one being the seconds
  • @reboot COMMAND to execute a job at boot