硬盘空间check脚本

#!/bin/sh
SPACE=`df -h | sed -n '2p' | awk '{print $5}' | sed 's/%$//'`
IP=`ifconfig xenbr0 | grep inet | awk '{print $2}' | awk -F ':' '{print $2}'`
DAY=`date +"%Y-%m-%d %H:%M"`
sender=""
senderpwd=""
smtp=""
title="disk space alarm"
receiver=""
cc=""
if [ $SPACE -gt 60 ]
then
/opt/sendEmail-v1.56/sendEmail -f $sender -t $receiver -cc $cc -s $smtp -u $title -xu $sender -xp $senderpwd -m $DAY $IP disk space used by more than 90% >> /home/yuzf/aaa 2>&1
fi