Red Hat RHCSA 9 Cert Guide: EX200

Chapter 8

Configuring Networking

The following topics are covered in this chapter:

• Networking Fundamentals

• Managing Network Addresses and Interfaces

• Validating Network Configuration

• Managing Network Configuration with nmtui and nmcli

• Setting Up Hostname and Name Resolution

The following RHCSA exam objectives are covered in this chapter:

• Configure IPv4 and IPv6 addresses

• Configure hostname resolution

Networking is one of the most essential items on a modern server. On RHEL 9, networking is managed by the NetworkManager service. The old network service doesn’t exist anymore, and that means that modern NetworkManager-related tools like nmcli and nmtui are the only way to manage network settings.

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