修改/etc/network/interfaces文件：
auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 192.168.0.4 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1
修改/etc/resolv.conf文件：
nameserver XXX.XXX.XXX.XXX
nameserver XXX.XXX.XXX.XXX
立即生效运行：
/etc/init.d/networking restart
