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I'm using ubuntu 12.04 and I want to execute a script every 5 hours . I setup cron with crontab -e and putted

* */5 * * * sh /home/cron_script.sh

The script is executed every minute.

Thanks.

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2 Answers 2

up vote 2 down vote accepted

The first * needs to be a 0 or whatever minute of the hour you want the script to run...eg 30 would mean script will run at 0030,0530, 1030, etc.

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What you need is this:

0 */5 * * * sh /home/cron_script.sh
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