1、centos 代理服务器上crontab的设置
crontab -e
00 01 * * * /usr/sbin/ntpdate 192.168.1.1 >> /root/ntpdate.log 2>&1
00 23 * * * /root/sarg.daily > /dev/null 2>&1
00 12 * * 3 /sbin/shutdown -r now > /dev/null 2>&1
*/10 * * * * /root/squid_status.sh > /dev/null 2>&1
10 21 * * 2 /bin/cat /dev/null > /var/spool/mail/root > /dev/null 2>&1
15 21 * * 2 /bin/cat /dev/null > /var/log/messages > /dev/null 2>&1
20 21 * * 2 /bin/cat /dev/null > /var/log/maillog > /dev/null 2>&1
00 19 * * 5 /bin/rm -f /var/log/maillog* && touch /var/log/maillog > /dev/null 2>&1
10 19 * * 5 /bin/rm -f /var/log/messages* && touch /var/log/messages > /dev/null 2>&1
2、nagios上crontab的设置
00 22 * * * /bin/cat /dev/null > /var/spool/mail/root > /dev/null 2>&1
00 23 * * * /bin/cat /dev/null > /var/spool/mail/nagios > /dev/null 2>&1
00 21 * * 2 /bin/cat /dev/null > /var/log/messages > /dev/null 2>&1
10 21 * * * /bin/cat /dev/null > /var/log/maillog > /dev/null 2>&1
00 19 * * 5 /bin/rm -f /var/log/maillog* && touch /var/log/maillog > /dev/null 2>&1
10 19 * * 5 /bin/rm -f /var/log/messages* && touch /var/log/messages > /dev/null 2>&1
0 1 * * * /usr/sbin/ntpdate 192.168.1.1 >> /root/ntpdate.log 2>&1
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