echo 192.168.10.69>>ip.list

-------------------------------------------

#!/bin/bash

#注意if和[]之间的空格

rm -f ~/fanr/shell/DiskUsageAlert/out.print

out=$(cat ~/fanr/shell/DiskUsageAlert/ip.list)

echo $out

for _IP in $out

do

        ssh root@$_IP df | grep -vE "none|devfs"|awk '{if(NR>=2 && int($5)>100) print "'$_IP'" ":disk at " $6 " usage is "$5 " large than 90%" }' >> ~/fanr/shell/DiskUsageAlert/out.print

done

print=$(cat ~/fanr/shell/DiskUsageAlert/out.print)

echo $print

if [ "$print" != "" ]

#if[ -s "~/fanr/shell/DiskUsageAlert/out.print" ]

then

        echo

        #echo $print| mail -s"Disk Usage Alerter" fai@tgn.com

fi

--------------------------------------------------------------------------------------

crontab DiskUsageAlert.crontab

cat DiskUsageAlert.crontab

#每5分钟运行一次

*/ * * * * sh /root/fanr/shell/DiskUsageAlert/DiskUsageAlter.sh