CentOS7*Core버전 설치후 IP 셋팅

https://lintut.com/how-to-setup-network-after-rhelcentos-7-minimal-installation/

*** 아래 셋팅으로 안되어서 nmtui 로 진행함  ****

vi /etc/sysconfig/network-scripts/ifcg-eno1

DEVICE=eth0

TYPE= Ethernet

 IPADDR=192.168.100.149

 NETMASK=255.255.255.0

 GATEWAY=192.168.100.1

 DNS1=168.126.63.1

 onBOOT=yes     #부팅시 디바이스 시작 여부

 USERCTL=no    #사용자들이 설정파일 수정가능 여부

 BOOTPROTO=static

 PEERDNS=no   #자체DNS 사용여부 (사용시 /etc/resolv/conf 수정)

 IPV6INT=no

네트워크 재시작 

service network restart

Setup network on CentOS 7 minimal

First, type “nmcli d” command in your terminal for quick list ethernet card installed on your machine:

“nmcli d” command output

Type “nmtui” command in your terminal to open Network manager. After opening Network manager chose “Edit connection” and press Enter (Use TAB button for choosing options).

CentOS_7 Network manager screen

Now choose you network interfaces and click “Edit”

Edit your network interfaces

DHCP configuration

Choose “Automatic” in IPv4 CONFIGURATION and check Automatically connect check box and press OK and quit from Network manager.

Set ip adress using DHCP

Reset network services:

service network restart

Now your server will get IP Address from DHCP .

CentOS 7 check ip address

If you want to set a static IP address see How to configure static ip address on CentOS 7.