Re: cron job problem
| From: | David OBrien | Date: | Tue, 23 Oct 2012 22:18:48 +0000 |
| Subject: | Re: cron job problem | ||
| References: | 1 2 3 4 5 6 7 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-319578@lists.php.net to get a copy of this message | ||
On Tue, Oct 23, 2012 at 5:31 PM, Daniel Brown <danbrown@php.net> wrote:
> On Tue, Oct 23, 2012 at 5:34 PM, Ashley Sheridan
> <ash@ashleysheridan.co.uk> wrote:
> >
> >
> > Crontab is the daemon which runs cron jobs, and some distros have set up
> > special files called cron.daily (or daily.cron I don't recall),
> > cron.hourly, etc to make it easier to schedule jobs.
>
> Quick clarification and correction here:
>
> The cron *daemon* is crond, while the *script* that is
> batch-processed by cron is called the crontab. When it is executed,
> it is referred to as a cron job.
>
> That said, Ash is right about the rest. Different OS flavors
> (BSD, Linux, UNIX, SunOS/Solaris, HP-UX, et cetera) often use
> different path and file standards. Linux, in general, uses a command
>
crontab which opens the local user's
> environment-configured editor
> to modify the user's crontab in the spool.
>
> --
> </Daniel P. Brown>
> Network Infrastructure Manager
> http://www.php.net/
>
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>
script runs
ntp updates server time
script runs again?