[CentOS] Confusion about scheduling tasks with crontab
Robert Heller
heller at deepsoft.com
Sun Oct 18 23:19:07 UTC 2009
At Sun, 18 Oct 2009 18:15:06 -0400 CentOS mailing list <centos at centos.org> wrote:
>
> On 10/18/2009 11:13 AM Alan McKay wrote:
> >> how would I go about that? The thing is: I'd like to know an orthodox
> >> way to go about this.
> >
> > crontab -e
> >
> > and then just put in your entry
> >
> > * 7 * * * /your/command
>
> I think you meant:
>
> 0 7 * * * /your/command
>
> The asterisk will make the command run every minute during the seven
> o'clock hour. The OP wanted his script to run at 7:00
>
> Yes?
No. The first field is the minutes (0), the second field is hours (7),
then comes 'day of month' (*), month (*), 'day of week' (*). The script
will run at 7:00AM, every day of every month on every day of the week
(well the last is redundent...).
man 5 crontab
>
>
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