![]() ![]() The NetworkManager should come preinstalled on a CentOS/RHEL 8 basic installation, otherwise, you can install it using the DNF package manager as shown. Installing NetworkManager on CentOS/RHEL 8 To run the ifup and ifdown scripts, NetworkManager must be running.A minimal installation provides a new version of the ifup and ifdown scripts that call NetworkManager via the nmcli tool.Network scripts are deprecated and are no longer provided by default. ![]() ifcfg-eth0, ifcfg-enp0s3) files are still supported. The traditional ifcfg type configuration (eg.Read Also: How to Configure and Manage Network Connections Using ‘nmcli’ Toolīefore we go further, the following are some other important points to note about networking in CentOS/RHEL 8: NetworkManager comes with numerous benefits such as support for easy network setup and management using both command-line interface and graphical user interface tools, provides an API through D-Bus which allows for querying and controlling network configuration, support for configuration flexibility and much more.īesides, the NetworkManager can also be configured using files, and Cockpit web console and it supports the use of custom scripts to start or stop other services based on the connection status. In RHEL and CentOS 8 the networking service is managed by the NetworkManager daemon and it is used to dynamically configure and control network devices and keep connections up and active when they are available.
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