vi /etc/network/interfaces
auto eth0
iface eth0 inet dhcp
auto eth0
iface eth0 inet static
address 192.168.12.222
netmask 255.255.255.0
gateway 192.168.12.1
dns-server 218.201.96.130
vi /etc/resolv.conf set dns
nameserver 192.168.12.1
nameserver 192.168.12.1
sudo ifdown eth0
sudo ifup eth0
