Linux系统磁盘监控邮件告警

#!/bin/bash
for d in `df -P | grep /dev | awk '{print $5}' | sed 's/%//g'`
do
if [ $d -gt 80 ];
then
IP=`/sbin/ifconfig|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"|head -n 1`
cat > /tmp/diskmonitor.log <<EOF
服务器IP:$IP
磁盘空间:
`df -h`
EOF
cat /tmp/diskmonitor.log|/usr/bin/mutt -s "$HOSTNAME 磁盘空间不足 `date +"%F %H:%M:%S"`" 123@123.com
fi
done