How to Manage Cron Jobs on Linux

Cron jobs let you schedule tasks to run automatically at specific intervals.

Edit Crontab

crontab -e

Cron Syntax

# MIN  HOUR  DAY  MONTH  WEEKDAY  COMMAND
  0    2     *    *      *        /path/to/script.sh

This example runs at 2:00 AM every day.

Common Schedules

# Every 5 minutes
*/5 * * * * /path/to/command

# Every hour
0 * * * * /path/to/command

# Daily at midnight
0 0 * * * /path/to/command

# Weekly on Sunday
0 0 * * 0 /path/to/command

# Monthly on the 1st
0 0 1 * * /path/to/command

View Cron Jobs

crontab -l

Cron Output

Redirect output to a log file to debug issues:

*/5 * * * * /path/to/command >> /var/log/mycron.log 2>&1