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Linux All-in-One For Dummies, 5th Edition by Emmett Dulaney

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Chapter 4

Managing the Network

In This Chapter

arrow Finding out about the TCP/IP configuration files

arrow Checking TCP/IP networks

arrow Configuring networks at boot time

Like almost everything else in Linux, TCP/IP setup is a matter of preparing numerous configuration files (text files you can edit with any text editor). Most of these configuration files are in the /etc directory. The Linux installer tries to be helpful by hiding the details of the TCP/IP configuration files. Nevertheless, if you know the names of the files and their purposes, editing the files manually (if necessary) is easier.

Discovering the TCP/IP Configuration Files

You can configure TCP/IP networking when you install Linux. However, if you want to effectively manage the network, you need to become familiar with the TCP/IP configuration files so that you can edit the files, if necessary. (For example, if you want to check whether the name servers are specified correctly, you have to know about the /etc/resolv.conf file, which stores the IP addresses of name servers.)

lxo-102.eps Table 4-1 summarizes the basic TCP/IP configuration files. ...

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