SCRIPT TO MONITOR A SERVER IN EVERY 30 MINUTES

This script is used to check the health of Your servers.
# !/bin/bash

# add ip / hostname separated by while space 

HOSTS="aaa.com bbb.com 202.10.193.46 router"

# no ping request

COUNT=1

# email report when 

SUBJECT="Ping failed Server Seems to be DOWN"

EMAILID="Your emailid"

for myHost in $HOSTS

do

count=$(ping -c $COUNT $myHost | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')

if [ $count -eq 0 ]; then

# 100% failed 

echo "Host : $myHost is down (ping failed) at $(date)" | mail -s "$SUBJECT" $EMAILID