Chapter 19Network Configuration

Now that you have learned some of the essential networking principles in Chapter 18, “Networking Basics,” you will explore how to configure network devices in this chapter. We primarily focus on Ethernet devices—the most common network device you will find on Linux systems.

You learn how to assign an IP address and subnet mask to a network interface. You also discover how to configure routes as well as define the DNS servers your system will use.

This chapter also explores wireless network device configuration in the event you need to configure networking on a laptop.

After reading this chapter and completing the exercises, you will be able to do the following:

Configure network devices, both on the fly and persistently ...

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