Tags: Beginner

How to Install Software Applications on Linux

How do you install an application on Linux? As with many operating systems, there isn't just one answer to that question. Applications can come from so many sources—it's nearly impossible to count—and each development team may deliver their software whatever way they feel is best. Knowing how to...
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Follow these simple steps to install Docker CE on your Linux, Mac, or Windows desktop.

How to Install Docker CE on Your Desktop

In the previous article, we learned some of the basic terminologies of the container world. That background information will come in handy when we run commands and use some of those terms in follow-up articles, including this one. This article will cover the installation of Docker on desktop Linux...
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Get Started with Your New Raspberry Pi

Creating amazing projects is easy with a Raspberry Pi, but first you need to plug it in and set up Raspbian, the default operating system. This guide will get you up and running in no time. The Raspberry Pi is a wonderful microcomputer that brims with potential. With a Raspberry Pi you can build ...
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Swapnil Bhartiya explains some of the basic terms used in the Docker container world.

Container Basics: Terms You Need to Know

In the previous article, we talked about what containers are and how they breed innovation and help companies move faster. And, in the following articles in this series, we will discuss how to use them. Before we dive more deeply into the topic, however, we need to understand some of the terms and...
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Transport-Layer Encryption vs End-to-End Encryption

It’s also important for learners to be able to distinguish what the encryption they are using to protect their information does and does not protect against. One way to clarify this conversation is to point out two different types of encryption for their information in transit: transport-layer...
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Squinting at ASCII on Linux

ASCII plays a much more important role on our systems than generating techno-art. Let's explore the commands that allow you to see how it works. ASCII came about to circumvent the problem that different types of electronic systems were storing text in different ways. They all used some form of ones...
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How to Sign a File on Linux with GPG

Jack Wallen shows you how to use the open source gpg to sign documents for a cost-effective way to ensure your clients the files you send them are, in fact, from you. There may be plenty of times and reasons why you might want or need to digitally sign a file. For instance, say you're sharing...
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Linux migration
This article provides an introduction to Linux graphical environments showcasing various options running on different Linux distributions.

Migrating to Linux: Graphical Environments

This is the third article in our series on migrating to Linux. If you missed earlier articles, they provided an introduction to Linux for new users and an overview of Linux files and filesystems. In this article, we’ll discuss graphical environments. One of the advantages of Linux is that you have...
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The Linux Commands You Should Never Use

Unless, of course, you like killing your machines. Spider-Man's credo is, "With great power comes great responsibility." That’s also a wise attitude for Linux system administrators to adopt. No! Really! Thanks to DevOps and cloud orchestration, a Linux admin can control not merely a single server...
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Once an application is packaged as a container, the underlying environment doesn’t really matter; the app can run anywhere.

What Are Containers and Why Should You Care?

What are containers? Do you need them? Why? In this article, we aim to answer some of these basic questions. But, to answer these questions, we need more questions.  When you start considering how containers might fit into your world, you need to ask: Where do you develop your application? Where do...
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