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#!/bin/bash

#Purpose: Real time CPU utilization Monitoring

#Version:1.0

#Created Date: Tue Jun 5 21:33:38 IST 2018

#Modified Date:

#WebSite: https://arkit.co.in

#Author: Ankam Ravi Kumar

# START #

PATHS="/"

HOSTNAME=$(hostname)

CRITICAL=98

WARNING=90

CRITICALMail="YOUREMAILaddresS@Domain.com"

MAILWAR="YOUREMAIL@Domain.in"

mkdir -p /var/log/cputilhist

LOGFILE=/var/log/cputilhist/cpusage-`date +%h%d%y`.log

touch $LOGFILE

for path in $PATHS

do

CPULOAD=`top -b -n 2 -d1 | grep "Cpu(s)" | tail -n1 | awk '{print $2}' |awk -F. '{print $1}'`

if [ -n $WARNING -a -n $CRITICAL ]; then

if [ "$CPULOAD" -ge "$WARNING" -a "$CPULOAD" -lt "$CRITICAL" ]; then

echo "`date "+%F %H:%M:%S"` WARNING - $CPULOAD on Host $HOSTNAME" >> $LOGFILE

echo "Warning Cpuload $CPULOAD Host is $HOSTNAME" | mail -s "CPULOAD is Warning" $MAILWAR

exit 1

elif [ "$CPULOAD" -ge "$CRITICAL" ]; then

echo "`date "+%F %H:%M:%S"` CRITICAL - $CPULOAD on Host $HOSTNAME" >> $LOGFILE

echo "CRITICAL Cpuload $CPULOAD Host is $HOSTNAME" | mail -s "CPULOAD is CRITICAL" $CRITICALMail

exit 2

else

echo "`date "+%F %H:%M:%S"` OK - $CPULOAD on $HOSTNAME" >> $LOGFILE

exit 0

fi

fi

done

# END #