manual_dhcp.sh

manual_dhcp.sh

#!/bin/bash

# Make sure only root can run our script
if [[ $EUID -ne 0 ]]; then
  echo "This script must be run as root" 1>&2
  exit 1
fi

while true; do
  count=$(ping -c 2 -s 1 -t 2 google.com | grep -E " 5?0\.0% packet loss")
  if [ -z "$count" ]; then
    echo "$(date): Packet drop, renewing DHCP"
    ipconfig set en0 DHCP
    sleep 10
  fi
done