fabiofdsantos

#!/bin/bash
# Reload iptables if... (e.g. ip was changed)
# Dependencies: dig (apt-get install dnsutils in debian/ubuntu)
# Note: Run "touch ~/current_ip" and add a new cron job with cmd "crontab -e" to run this script periodically. 

HOSTNAME=<hostname-to-check.dyndns.org>
LOGFILE=~/current_ip

Current_IP=$(dig +short $HOSTNAME)