BASH CRON

TIMES
Predefined scheduling definitions...

Entry                     Description                                    Equivalent To @yearly (or @annually)     Run once a year, midnight, Jan. 1st            0 0 1 1 * @monthly                  Run once a month, midnight, first of month     0 0 1 * * @weekly                   Run once a week, midnight on Sunday            0 0 * * 0 @daily                    Run once a day, midnight                       0 0 * * * @hourly                   Run once an hour, beginning of hour            0 * * * * @reboot                   Run at startup

FIELDS
{minute} {hour} {day-of-month} {month} {day-of-week} {path-to-shell-script}

EXECUTE TASK JOB ON REBOOT
@reboot /usr/local/bin/flexget daemon start -d