centos7.5固定IP地址

vim /etc/sysconfig/network-scripts/ifcfg-em1

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="em1"
UUID="1cfc301d-4b9e-4043-a1c4-0e8475836c69"
DEVICE="em1"
ONBOOT="yes"
IPADDR=192.168.5.38
NETMASK=255.255.255.0
GATEWAY=192.168.5.1
DNS1=192.168.5.1

service network restart