查看网络接口，默认都没有启动
# ls /etc/sysconfig/network-scripts/ifcfg-*
/etc/sysconfig/network-scripts/ifcfg-eno16780032 /etc/sysconfig/network-scripts/ifcfg-lo
修改网络接口配置文件
# vi /etc/sysconfig/network-scripts/ifcfg-eno16780032
TYPE=Ethernet
# 修改下面一行
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eno16780032
UUID=5f4d2c36-d0ca-480c-951a-f402b0ce636b
DEVICE=eno16780032
# 修改下面一行
ONBOOT=yes
# 添加
IPADDR0=192.168.106.55
PREFIX0=24
GATEWAY0=192.168.106.1
DNS1=192.168.106.1
使更改生效
# service network restart
查看IP信息，ifconfig在CentOS 7中没有安装，可以使用ip命令
# ip addr