>>727
sudo gedit /etc/network/interfaces

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0 <<<<<<<<<<<<<<<<<<<<<<<<<<<<
iface eth0 inet static
address 192.168.1.90
gateway 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0