ping-uptime.sh

#!/bin/bash

# pings 8.8.8.8 and local router, saves into log if offline with timestamp

HOSTS="8.8.8.8 192.168.1.1"

COUNT=4

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)" > pingdownlog.txt
  fi
done