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The service command lets you run a System V init script. In this tutorial, we will briefly discuss this tool using some easy to understand examples.

As the global technology evangelist director of Red Hat’s portfolio product marketing group, I have a secondary focus on portfolio architectures. I research customer successes in solution implementation using our open source technologies, then produce generic higher-level architectural content so that others may benefit from these real-life experiences. read more

nnn is a very fast terminal file manager whose main goal is seamless desktop environment integration. The Ncurses based keyboard-driven terminal application features basic, details (default) and disk usage analyzer modes, with navigate as you type, vidir integration, terminal locker, and much more.

Fun with retro-coding a Roman numeral converter—I head back to my college years and solve me homework anew!

One great thing about programming languages is that there is such diversity that you can choose the best one to solve any given problem. But sometimes the worst thing can be when projects take advantage of this and build applications or systems of applications that require domain knowledge of many different languages. When this happens, it can be difficult for everyone, or even anyone, to fully understand the scope of the project. read more

One of Intel’s fixes for the Spectre variant 2 chip flaw (CVE- 2017-5715) appears to have taken a big bite out of the performance of the latest Linux kernel. The mitigation in question is the Single Thread Indirect Branch Predictors (STIBP), one of three that Intel proposed not long after details of the Meltdown and Spectre flaws were made public in January.

The sudo command allows privileged users to run all or selected commands as root, but understanding how it works and doesn't work is a big help.

C# is a general purpose, type safe programming language implemented with the Object Oriented Paradigm in mind, The following tutorial is aimed at users that already know the basics of programming and are looking for a fast guide to get started with C# and .NET Core on Linux. The whole tutorial is divided into different posts, […]

cp command in Linux is used for copying files and directories. In this tutorial, you’ll learn some of the essential usages of the cp command.

Neofetch is a command-line interface system information script written in bash 3.2+. The script displays information about your system next to an image, your operating system logo, or any ASCII/image file of your choice. It’s designed to capture information about your system and display it in an aesthetic and visually pleasing way.

With all the different programming languages available today, many organizations have become digital polyglots. Open source opens up a world of languages and technology stacks developers can use to accomplish their tasks, including developing and supporting legacy and modern software applications.

Vulnerability mapping is an activity carried out to identify security flaws which can result in the compromise of a system. Sometimes researchers will use the term “vulnerability assessment” instead of “vulnerability mapping.” They are, however, the same thing.

Loops are one of the fundamental concepts of programming languages. Loops are handy, if you want to run series of commands over and over again, until a condition situation is reached. In scripting languages such as Bash, loops are useful for automating repetitive tasks. There are 3 basic loop constructs in Bash scripting, for loop, while loop, and until loop.

On this episode of This Week in Linux. We take a look at the latest Raspberry Pi, Linus has some comments on some performance issues with recent Spectre mitigations, Canonical announced 10 Years Support for Ubuntu 18.04. We’ll also be checking out a bunch of distro releases from Void Linux, Slax, Deeping, Whonix and even a beta from Red Hat. Later in the show, we’ll cover some Security News as well as some awesome sales going on for Linux Games right now! All that and much more!

Richard Stallman, the fervently committed founder of the free software movement, is discussing the term “libertarian,” when he stops talking abruptly and says, “Hello?”

Welcome to the fourth chapter of BASH scripting series in which we will discuss the topic, decisions. Like a human being making decisions throughout the day, computers too need to decide on the best possible route when executing stuff from time to time. It has to consider whether a certain line of statements is necessary to be executed or not, based on a condition. In computer programming, the condition is usually tested on boolean values; either true or false.

Microsoft is again scattering patents around (for profit and lawsuits), having long done that with patent trolls which attack GNU/Linux

Redis is an open-source in-memory data structure store. It can be used as a database, cache and message broker and supports various data structures such as Strings, Hashes, Lists, Sets etc. This tutorial explains how to install and configure Redis on an CentOS 7 server.

Colin Finck of ReactOS project announced the release of ReactOS 0.4.10, a version that packs several enhancements to the open-source Windows clone.

The improved STIBP heuristics have gone through several rounds of public review on the kernel mailing list in recent weeks. The patches are now queued in tip/tip.git's new WIP.x86/pti Git branch.