centos7配置固定ip

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-ens33

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="ens33"
UUID="521d3c49-0c97-4d50-90d1-d6bbeec0dc10"
DEVICE="ens33"
ONBOOT="yes"
IPADDR=192.168.1.250
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
DNS1=114.114.114.114

　注意下面几个配置项：

BOOTPROTO="static"
ONBOOT="yes"

#ip
IPADDR=192.168.1.250
NETMASK=255.255.255.0

#网关
GATEWAY=192.168.1.1
DNS1=114.114.114.114