crontab | Cronjob

list

Bash

crontab -l

edit

Bash

crontab -e

remove | be careful

Bash

crontab -r

Bash

 +---------------- minute (0 - 59)
 |  +------------- hour (0 - 23)
 |  |  +---------- day of month (1 - 31)
 |  |  |  +------- month (1 - 12)
 |  |  |  |  +---- day of week (0 - 6) (Sunday=0 or 7)
 |  |  |  |  |
 *  *  *  *  *  command to be executed

to start on rebbot

Bash

@reboot <command>

Bash

@reboot /path/script.sh