CentOS에서 고정아이피 설정방법

환경: vmware player 15 

운영체제: CentOS 7  버전

혹시 ifconfig 가 없으면 net-tools를 설치해야한다. 
$ yum install -y net-tools


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1 네트워크 설정파일 설정 
$ vi /etc/sysconfig/network-script/ifcfg-ens33 

2 BOOTPROTO="dhcp"를 주석처리하고 네트워크 정보를 추가합니다.
(예시)

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
#BOOTPROTO="dhcp"
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="enp0s3"
UUID="91af51db-7cf0-4069-9433-77d356b31bca"
DEVICE="enp33"
ONBOOT="yes"

BOOTPROTO="static"
IPADDR="192.168.111.100"
GATEWAY="192.168.111.2"
DNS1="168.126.63.1"
DNS2="168.126.63.2"

3 네트워크 재시작 하기 
$ systemctl restart network