一、步骤

1. ip addr
2. cd /etc/sysconfig/network-scripts/ifcfg-xxx
3. vi ifcfg-xxx
4. i -> 编辑 -> esc -> :wq

BOOTPROTO=static

ONBOOT=yes
IPADDR=xxx.xxx.xxx.xxx
NETMASK=xxx.xxx.xxx.xxx
GATEWAY=xxx.xxx.xxx.xxx
DNS1=xxx.xxx.xxx.xxx
DNS2=xxx.xxx.xxx.xxx
ZONE=public

5. service network restart