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Hello I have a cron job that I have setup, everything was working just fine until a couple of minutes ago when my cron job scheduled to only run every five hours started to run several processes every single minute.

My cron job is specified as:

* */5 * * * php -f [path] >/dev/null 2>&1

I am running Ubuntu 13.10 64-bit.

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Note that a star (*) matches every value for the particular field. The date and time fields are at the beginning of an entry and consist of: MIN HOUR DAY_OF_MONTH MONTH DAY_OF_WEEK

So, when you write "* */5 * * *" it means every minute, every 5 hours, every day... The problem lies in the "every minute" selection. I guess you want to change it to a single value between 0..59. For more information do, "man 5 crontab".

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