Network after RHEL/CentOS 7 minimal installation

How to setup network after RHEL/CentOS 7 minimal installation

After installing RHEL/CentOS 7 minimal, You may not able to connect network in that machine. This will happen because Ethernet interfaces are not enabled by default.
This guide explain you to setup network on RHEL/CentOS 7.

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.

Linux System Administrator with over 7 years experience in administering production level servers (CentOS/Ubuntu/Debian with apache2/nginx, mysql server, etc)

• Activate network after install:
  1. Edit /etc/sysconfig/network-scripts/ifcfg-eth0
  ONBOOT=yes
  2. #/etc/init.d/network restart
  
  
• • # systemctl status NetworkManager.service
    To check which network interface is managed by Network Manager,
    type:
    # nmcli dev status
    I hope I helped you
    
  • http://lintut.com rashoba
    First, verify the status of Network Manager service
    # systemctl status NetworkManager.service
    To check which network interface is managed by Network Manager,
    type:
    # nmcli dev status
    I hope I helped you