Nagios记录系统监控日志

#!/bin/bash
while :
do
vmr=`vmstat | tail -1 | awk ‘{print $1}‘`
if [ ${vmr} -gt 4 ]
then
date   >> /root/monitor.txt
vmstat >> /root/monitor.txt
netstat -anp >> /root/monitor.txt
ps -aux>> /root/monitor.txt
last   >> /root/monitor.txt
tail -10 /var/log/messages >> /root/monitor.txt
fi
sleep 60
done

此脚本可放至后台运行 sh /root/monitor.sh & ，如遇CPU繁忙的情况，它会自动记载系统日志等以供分析。

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