auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 192.168.2.1
netmask 255.255.255.0

auto wlan0
iface wlan0 inet static
wireless-essid ifroogdotcom
wireless-mode ad-hoc
address 192.168.1.1
netmask 255.255.255.0