/etc/network/interfaces
# Local
auto lo
iface lo inet loopback
# Ethernet
auto eth0
iface eth0 inet static
address 192.168.1.104
netmask 255.255.255.0
gateway 192.168.1.1
dns-nameservers 8.8.8.8 8.8.4.4
# Wifi
#auto wlan0
iface wlan0 inet dhcp
address 192.168.1.100
netmask 255.255.255.0
gateway 192.168.1.1
wireless-essid MyPi
wireless-key abcde12345
wireless-mode Managed
wireless-power off
wpa-ssid Ring_of_Steel
wpa-psk 666Pack!
#dns-nameservers 8.8.8.8 8.8.4.4