2. 为网卡配置静态IP地址

编辑文件/etc/network/interfaces：

sudo vi /etc/network/interfaces

并用下面的行来替换有关eth0的行：

# The primary network interface

auto eth0

iface eth0 inet static

address 192.168.2.1

gateway 192.168.2.254

netmask 255.255.255.0

#network 192.168.2.0

#broadcast 192.168.2.255