The NetworkManager service has been a part of RHEL since version 6 and in its simplest form allows users to configure network configuration settings (such as joining Wi-Fi networks). Of course, this is really necessary when we consider laptop users with a Fedora or an RHEL laptop. This service extends well beyond the GUI and to server products installed with or without the X Server environment.

The NetworkManager service that ships with RHEL 7 is a dynamic network control and configuration daemon to keep network interfaces active while they remain available. As we have seen, the NetworkManager service not only maintains support for the traditional ifcfg- file type, but also extends this support to additional profiles. In this way, we can easily have a static IP address configuration for your laptop for different offices that you may visit, rather than relying on DHCP on each site.

Configuration of the NetworkManager service can be maintained via the...