cron to run every day once code example
Example 1: run cron every saturday
0 0 * * SAT
Example 2: how to run a script in crontab every day
+---------------- 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