- Lab
- Core Tech

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.

Path Info
Table of Contents
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Challenge
Get Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
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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.
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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.
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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.
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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.
What's a lab?
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Guided walkthrough
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
On average, you retain 75% more of your learning if you get time for practice.