# vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=不变
TYPE=Ethernet
UUID=不变
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none
IPADDR=自定义ip地址
NETMASK=255.255.255.0
GATEWAY=本地网络的网关
DNS1=114.114.114.114
DNS2=8.8.8.8
IPV6INIT=no
USERCTL=no