21zoo Labs - Assorted Stuff

Crontab - run a command every 5 minutes

Posted — Sep 25, 2018

To run a command via cron every 5 minutes:

*/5 * * * *
The fields are minute, hour, day (of the month), month, day of the week (dotw).

Other options:

*	any value
,	value list separator
-	range of values
/	step values


For example
Run at 15 and 45 past the hour, every hour:
15,45 * * * *


Run at noon, once a day:
0 12 * * *


Run at 2pm, every Monday (dotw == 1):
0 2 * * 1