# yum -y remove cronie-anacron
# vi /etc/crontab
# run-parts
01 * * * * root run-parts /etc/cron.hourly
42 7 * * * root run-parts /etc/cron.daily
44 7 * * 0 root run-parts /etc/cron.weekly
45 7 1 * * root run-parts /etc/cron.monthly
25 22 * * * root /root/clamav.sh
$ cat /etc/cron.d/dailyjobs
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/
# run-parts
25 7 * * * root [ ! -f /etc/cron.hourly/0anacron ] && run-parts /etc/cron.daily
05 6 * * 0 root [ ! -f /etc/cron.hourly/0anacron ] && run-parts /etc/cron.weekly
20 6 1 * * root [ ! -f /etc/cron.hourly/0anacron ] && run-parts /etc/cron.monthl
参考:http://t0463.blogspot.jp/2013/03/centos60crontab.html

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