#/etc/network/interfaces
auto lo

iface lo inet loopback

iface eth0 inet static
address 192.168.0.64
netmask 255.255.255.0
gateway 192.168.0.1

allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp