在文件系统创建/var/spool/cron/crontab目录

添加/etc/logrotate.d/log文件

/var/log/messages {
   rotate 7
   daily
   create
   dateext
   missingok
   copytruncate

添加任务脚本，/etc/cron.daily/logrotate

#!/bin/bash
​
/usr/sbin/logrotate /etc/logrotate.d/log
RET=$?
if [ $RET != 0 ]
then
    /usr/bin/logger -t logrotate "ALERT exited abnormally with [$RET]"
fi
exit 0

添加任务，crontab -e

0 0 * * *  /etc/cron.daily/logrotate