Cara Pengaturan IP Address di Ubuntu Server 12.04

sudo vi /etc/network/interfaces

    iface eth0 inet static
    address 192.168.31.100
    netmask 255.255.255.0
    network 192.168.31.1
    broadcast 192.168.31.255
    gateway 192.168.31.1

simpan lalu restart networking

sudo /etc/init.d/networking restart