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 â€œnmcli dâ€ command in your terminal for quick list ethernet card installed on your machine:
Type â€œnmtuiâ€ command in your terminal to open Network manager. After opening Network manager chose â€œEdit connectionâ€ and press Enter (Use TAB button for choosing options).
Now choose you network interfaces and click â€œEditâ€
Choose â€œAutomaticâ€ in IPv4 CONFIGURATION and check Automatically connect check box and press OK and quit from Network manager.
Reset network services:
service network restart
Now your server will get IP Address from DHCP .