Configuring Networking in RHEL 9

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Configuring Networking in RHEL 9

In this lab, you’ll practice setting up Linux networking, managing networking services, and also setting up and configuring caching DNS.

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Lab Info

Level

Beginner

Last updated

Oct 17, 2025

Duration

1h 0m

Challenge

Configure Static and Dynamic Networking

To start the lab, you configure both static and dynamic networking using nmcli (NetworkManager Command Line Interface). This includes assigning a static IP address to a network interface, and configuring DHCP for automatic IP address assignment. You will verify connectivity using the ping and traceroute commands.
Challenge

Manage Network Services and Firewalls

You'll learn how to manage network services and firewalls by enabling and disabling network interfaces, allowing and blocking ports using firewall-cmd, and configuring firewall zones for enhanced security.
Challenge

Configure DNS and Hostname Resolution

Finally, you will learn how to configure DNS and hostname resolution by modifying /etc/hosts and /etc/resolv.conf, and troubleshooting DNS issues using tools like dig and nslookup.
Challenge

The Last Challenge

Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

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