Tutorials

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Jack Wallen discusses the command-line tools that are invaluable to the task of making configuration more efficient.

How to Effectively and Efficiently Edit Configuration Files in Linux

Every Linux administrator has to eventually (and manually) edit a configuration file. Whether you are setting up a web server, configuring a service...
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Good documentation
Good sysadmins understand the value of good documentation.

Why Good Linux Sysadmins Use Markdown

The Markdown markup language is perfect for writing system administrator documentation: it is lightweight, versatile, and easy to learn, so you spend...
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DNS dig utility
Chris Binnie wraps up his series on DNS with a look at some security options.

Dig into DNS: Part 4

Previously in this series (see links below), I’ve described the dig utility and its many uses in performing DNS lookups, along with several examples...
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Linux Foundation Certified System Administrator: Muneeb Kalathil

The Linux Foundation offers many resources for developers, users, and administrators of Linux systems. One of the most important offerings is its...
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Learn How to Speed Up Websites Using Nginx and Gzip Module

Even in a time when significant Internet speeds are available throughout the globe, every effort to optimize website load times is welcome with open...
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Snapshots
Snapper is a command-line program that allows you to create, delete, and compare snapshots of your filesystem.

How to Easily Roll Back Changes with Snapper

One thing a Linux sysadmin must know how to do is recover from a change gone bad. It happens. You install, upgrade, or configure a system or service...
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The Linux grep tool searches for patterns inside of files.
The Linux grep tool searches for patterns inside of files.

Beginning Grep for Linux SysAdmins

GNU grep is an amazing power tool for finding words, numbers, spaces, punctuation, and random text strings inside of files, and this introduction...
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Node.js
In the second part of this introduction to using Node.js, Paul Brown shows how to create a single-page web application.

Get Started Writing Web Apps with Node.js: Using the All Powerful NPM

In a previous article, I provided a quick introduction to Node.js and explained what it is, what it does, and how you can get started using it. I...
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Smart tv
Android for Pine64 doesn’t come with Google apps preloaded so you will have to install a few apps to get things set up.

Turn Your Feature TV Into A Smart TV For $30

Do you have an HDMI-enabled dumb TV sitting around that needs a dedicated set-top box or game console to be used? Are you planning to buy a new smart...
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GNOME Shell extensions
Jack lists 10 GNOME Shell Extensions to help make your desktop experience more efficient, productive, and enjoyable.

10 GNOME Shell Extensions You Should Be Using

When GNOME Shell (aka GNOME 3) dropped into the world of Linux, many criticized it for not being flexible enough. The new-look GNOME was seen as a...
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