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Crontab reference
Basic reference for linux cron timing
* * * * * command to be executed - - - - - | | | | | | | | | +----- day of week (0 - 6) (Sunday=0) | | | +------- month (1 - 12) | | +--------- day of month (1 - 31) | +----------- hour (0 - 23) +------------- min (0 - 59)
e.g. Every day at 6:30pm
30 18 * * * command to run
Every 10 minutes
*/10 * * *