[CentOS] Problem with cron

Stephen Harris lists at spuddy.org
Sun Feb 23 14:22:42 UTC 2014


On Sun, Feb 23, 2014 at 08:20:06AM -0600, Joseph Hesse wrote:
> I have a root cron job that powers down my server every day at 1am and 
> 6pm.  The output of '# crontab -l' is shown below.
> 
> * 1,18 * * * poweroff

Nope.  That says "every minute of hours 1 and 18".  So 0100, 0101, 0102, 0103
etc etc

You want it to read "0 1,18 * * * poweroff"

> Apparently a cron job that executed correctly at 6pm was executing 
> minutes past 6pm when the server was restarted. This is totally 
> unexpected behavior.

Totally expected.

> Is there a fix for this behavior?

Yes, user error; fix the cron job.

-- 

rgds
Stephen



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