Category: Tutorials

The Basics of Computer Networks

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Chapter 6 – Find Files in Linux

You should already be aware of how much a search for a file can sometimes feel like looking for a needle in a haystack. Fortunately, finding files on Linux is not that hard. In...

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Chapter 5 – Users and Permissions

So far, you’ve been using the same user account you’ve created during the installation of Linux. That’s fine as long as you’re the only one using your machine. But what if you want to...

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Chapter 3 – The Linux Command-Line

In this chapter, you will make your first steps in the Linux command-line environment. If you’re a long time Windows user, then this is your chance to explore a new way to interact with...

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Chapter 2 – How To Install Linux Mint

This chapter provides a step-by-step guide on how to install the Linux Mint distribution on your machine. I included a screen capture for every step so that the whole process is clear. Download the...

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Chapter 1 – Introduction to Linux

In this first chapter, we will not install any program, nor will we type any command. We will only learn a bit about Linux. Linux is an operating system, and so, it is only...

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How to Design a Computer Network

You had just gotten a job at a respectable firm. A client came up to you and asked you to design a computer network for their company. They provided you with a document containing...

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The Application Layer : Process-to-Process Communication

During this tutorial, we have gone through the first four layers of the OSI Model and discussed each of them separately in a dedicated chapter. Now, in this chapter, we will skip two layers...

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The Transport Layer : End-to-End Communication

By now you should know that machines connected to the same network rely on the data link layer in order for them to talk to each other. And if two machines are located on...

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The Network Layer : Connecting Networks

In the last chapter, we learned how we can connect computers to a network and make them talk to each other. Now, what if we want to talk to a computer located on the...