How to Configure a Static IP Address on CentOS Enterprise Linux 7.x Server

On CentOS 7 or RHEL 7 one need to use the NetworkManager daemon. It attempts to make networking configuration and operation as painless and automatic as possible by managing the primary network connection and other network interfaces, like Ethernet, WiFi, and Mobile Broadband devices.

In this quick tutorial you will learn about configuring a network interface using ifcfg files located in /etc/sysconfig/network-scripts/ directory in a CentOS 7 and RHEL 7.