crontab every 30 minutes na 32 minutes code example
Example: crontab every 30 minutes in specific minute
// every 30 minutes
*/30 * * * *
// it depends on the crontab version you are using
// example: every 30 minutes at number '5'
// mode 1
5,35 * * * *
// mode 2
5/30 * * * *