Ubuntu 11.10 Dell M4600 ATI Radeon HD6700M Dual Monitors

Вы можете использовать следующие

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp2s0
    iface enp2s0 inet static
    address 192.168.0.10
    netmask 255.255.255.0  #depends on your network class of address
    gateway 192.168.0.1    #address of the server that allow you to connect internet or other networks.
    dns-nameservers 8.8.8.8     #domain names resolver 8.8.8.8 it's google's public dns

, затем

$ sudo touch /etc/network/interfaces.d/enp2s0

, затем

$ sudo ifdown enp2s0 && sudo ifup enp2s0