ssh_test_connection_final_2

#!/bin/sh

SERVERLIST=$1

if [[ -z $SERVERLIST ]]; then

  cat <<-End-of-message

  server list file not found ...

  usage: ./ivan.sh serverlist.txt

End-of-message

elif [[ ! -e $SERVERLIST ]]; then

  echo "File $1 does not exist. Please provide a valid server list filename"

else

  while read LINE; do

  #   for i in $(cat $SERVERLIST)

  #   do

        ping -c 1 $i  >/dev/null 2>&1

     if [ $? -ne 0 ]

      then

          echo "No response from $LINE"

      else

          ssh -q -o BatchMode=yes -o ConnectTimeout=5 $i >/dev/null 2>&1 exit

      if [ $? -ne 0 ]

      then

          echo "connection not successful in $LINE"

      else

          echo "connection successful in $LINE"

      fi

      fi

  #    done

  done < $SERVERLIST
fi