Tip: Detect Network Connectivity in Bash

Rai    Linux     auto, bash, connection, Linux, network, ping, script

There are times that we are required to check hundreds of servers for network connectivity, and what command comes first in mind when testing network – ping. To help out other system and network administrators out there, here is a quick bash script to ping servers.

#!/bin/bash

SERVERS=server.txt

for i in $(cat $SERVERS)
do
ping -c2 $i > /dev/null

if [ $? -ne 0 ]
then
echo "$i is DOWN"
else
echo "$i is UP"
fi
sleep 3

done

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