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Linux Administration: A Beginner’s Guide, Seventh Edition, 7th Edition by Wale Soyinka

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CHAPTER 11

TCP/IP for System Administrators

Linux inherits UNIX’s legacy of being a very network-aware operating system. A Linux system that is not connected to a network is like a race car without a race track.

To be a system administrator today, you must have a reasonably thorough understanding of the network and the protocols used to communicate over networks. After all, if your server is (or is not) receiving or sending information, you are responsible.

This chapter provides an introduction to the guts of the Transmission Control Protocol/Internet Protocol, better known as TCP/IP. We’ll tackle the contents in two parts: First, we will walk through the details of packets, Ethernet, TCP/IP, and some related protocol details. This part may seem ...

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