crontab

Crontab(JOB)

• See crontab

  • crontab -l

• show all crontab by all users

  • for user in $(cut -f1 -d: /etc/passwd); do echo $user; crontab -u $user -l; done

• add on shell or command line

  • (crontab -l ; echo "59 2 * * * cd /giip/scripts; bash --login -c 'sh giiprecycle.sh'")| crontab -

• See crontab log

  • tail -f /var/log/cron
  • You can see real-time changes using f option.

reference

• cron manual