linux系统设置静态IP，DHCP网络服务，DNS

kk@yuanqiangfei:~$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0                                                #eth0网卡开机启动
iface eth0 inet dhcp                                 　　 #使用DHCP服务器申请动态IP
#iface eth0 inet static                             　　  #设置eth0网卡静态IP
#address 192.168.1.188                        　　　　　　 #静态IP   
#netmask 255.255.255.0                       　　　　　　  #掩码
#gateway 192.168.1.1                           　　　　　  #网关   
kk@yuanqiangfei:~$ cat