cron job executing every minute but should be setup to execute every 4 hours.

Posted by Frank V on Server Fault See other posts from Server Fault or by Frank V
Published on 2010-04-21T21:03:32Z Indexed on 2010/04/21 21:13 UTC
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Note: I've viewed cron: can’t lock /var/run/crond.pid, otherpid may be 3759 but I believe my question is different (but with the same resulting problem.)

I'm very new to cron. I setup a script to run a python script every minute to test that everything was working. I did use crontab to accomplish this. It worked great, so I wanted to switch it to run every 4 hour.

I changed my * * * * * {...} to * */4 * * * {...} but the job is continues to run every minute. It's been like this for the last hour or so.

When I attempt to run cron restart (thinking that would solve the problem), I receive the following error message:

cron: can't lock /var/run/crond.pid, otherpid may be 2311: Resource temporarily unavailable

Is my cron syntax wrong? And why might I not be able to restart cron?

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