It's a good idea NOT to put stuff in /etc/crontab and NOT to change the existing members of /etc/cron.d. It is a good idea NOT to change root's crontab. Any of these may get overwritten by maintenance.
We generally put cron stuff in a locally named and created member in /etc/cron.d.
Cheers,
Cliff
On Thu, Dec 8, 2011 at 11:01 PM, Rushton Martin JMRUSHTON@qinetiq.com wrote:
From man 8 cron
Cron searches /var/spool/cron for crontab files which are named after accounts ... Cron also searches for /etc/crontab and the files in the directory, which are in a different format (see crontab(5) ).
So cron itself knows about /etc/cron.d and checks it. No need to have an entry in /etc/crontab
Martin Rushton HPC System Manager, Weapons Technologies Tel: 01959 514777, Mobile: 07939 219057 email: jmrushton@QinetiQ.com www.QinetiQ.com QinetiQ - Delivering customer-focused solutions
Please consider the environment before printing this email. -----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Fajar Priyanto Sent: 08 December 2011 08:31 To: CentOS mailing list Subject: Re: [CentOS] /etc/cron.d
On Thu, Dec 8, 2011 at 4:27 PM, Cliff Pratt enkiduonthenet@gmail.com wrote:
You can put a crontab file in there. Just don't alter any of the others. Crond automatically runs everything in /etc/cron.d, in /etc/crontab, and in user crontabs.
That's what I thought, but /etc/crontab only mention this: # run-parts 01 * * * * root run-parts /etc/cron.hourly 02 4 * * * root run-parts /etc/cron.daily 22 4 * * 0 root run-parts /etc/cron.weekly 42 4 1 * * root run-parts /etc/cron.monthly
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