Use the shell to write a script that has more than 80% mail alerts on the disk

Method 1:

Monitoring disk or CPU exceeding a certain value mail alert script:

[email protected] scripts]# cat check.sh

#!/bin/bash

Lang=en_us. UTF-8

cpuused= ' Top-n 1|awk-f ' [,%]+ ' nr==3 {print100-$11} '

diskused=$ (df-h|awk-f ' [%]+ '/\/$/{print $} ')

Logfile=/tmp/jk.log

function Sendmail () {

Mail-s "Monitoring alarm" 1665***[email protected] < $logFile

}

function Check () {

If [' Echo ' $cpuUsed >80 "|BC '-eq 1-o $diskUsed-ge

echo "CPU Usage: ${cpuused}%, disk Usage: ${diskused}%" > $logFile

Sendmail

Fi

}

function Main () {

Check

}

Main

Method 2:

Monitor the disk space size and notify the script by mail:

#!/bin/bash

D= ' Df-h|grep "/dev/sda6" |awk ' {print int ($)} '

Logfile=/tmp/jk.log

function Sendmail () {

Mail-s "Monitoring alarm" 1665***[email protected] < $logFile

}

function Check () {

If

[$d-gt];then

echo "Current hard drive is ${d}%" > $logFile

Sendmail

Else

echo "Hard drive Enough"

Fi

}

function Main () {

Check

}

Main

This article is from the "one small step per day" blog, so be sure to keep this source http://fenyuer.blog.51cto.com/11265169/1917026

Use the shell to write a script that has more than 80% mail alerts on the disk