Chapter 3

Basic Linux Network Configuration

In This Chapter

arrow Configuring network interfaces

arrow Looking directly at network configuration files

arrow Using the ifconfig command to display network status

In many cases, configuring a Linux server for networking is a snap. When you install Linux, the installation program automatically detects your network adapters and installs the appropriate drivers. Then, you’re prompted for basic network configuration information, such as the computer’s IP address, host name, and so on.

However, you may need to manually change your network settings after installation. You may also need to configure advanced networking features that aren’t configured during installation. In this chapter, you discover the basic procedures for configuring Linux networking services.

Using the Network Configuration Program

Before you can use a network interface to access a network, you have to configure the interface’s basic TCP/IP options, such as its IP address, host name, Domain Name System (DNS) servers, and so on. This configuration is automatically set up when you install Linux, but you may need to change it later on. In this section, I show you how to do that by using ...

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