cron executes entries twice

[John]

At 04:03 AM 7/3/2003, Andrew Boothman wrote:
>On Thursday 03 July 2003 1:23 am, John wrote:
> > Hi All,
> >
> > For quite some time now my system has been executing all entries in the
> > crontab twice, instead of the expected once.  This happens most obviously
> > for the periodic scripts, but also on some scripts that I added for
> > nightly, weekly, or runs at reboot.  This started not long after a
> > buildworld upgrade from one 4.x to another 4.x.  Which upgrade, I don't
> > recall unfortunately.  The executions of the scripts appear to occur within
> > minutes of each other, if not seconds.
>
>Hmmm - that is strange.
>
>My only thought off-hand would be that someone has managed to install
>/etc/crontab as a personal crontab?
>
>Try 'crontab -l' as root and any other possible users to see if they have a
>crontab that is similar to the /etc/crontab
>
>Just a thought......
>
>Andrew

Your suggestion was dead on - I'm not sure why I kept overlooking 
this.  For some reason the entire contents of /etc/crontab were duplicated 
in root's crontab.  I got rid of it last night, and lo - only one run of 
the scripts.

Thanks very much for the help!
-John