linux condividere connessione internet

#!/bin/bash
# <marinz at email dot it>
# Share the Internet connection

# Interface connected to Internet:
interface=wlan0

# don't edit:
iptables -t nat -A POSTROUTING -o $interface -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward

echo ""
echo "On client: "
echo ""
echo " 1--> sudo route add default gw <IP of this host>"
echo " 2--> edit /etc/resolv.conf"