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This select set of Linux commands can help you master the command line and speed up your use of the operating system.

We round up the most popular articles from the past week.

Steam is a cross-platform entertainment platform developed by Valve Corporation for purchasing and playing video games. It gives you access to thousands of games and allows you to meet new people.

Cachet is a beautiful and powerful open source status page system written in PHP that allows you to better communicate downtime and system outages to your customers, teams, and shareholders. In this tutorial, we will install Cachet status page system by utilizing PHP, Nginx, MySQL, and Composer on Ubuntu 18.04 LTS.

Ansible playbook files are text files in a YAML format. People who work regularly with them have their favorite editors and plugin extensions to make the formatting easier. When I teach Ansible with the default editor available in most Linux distributions, I use Vim's visual mode a lot. It allows me to highlight my actions on the screen—what I am about to edit and the text manipulation task I'm doing—to make it easier for my students to learn.

Knowing when a file was used, accessed or changed can help to detect unauthorized access. Here is how you can find out when a file was accessed or modified in Linux.

You may have heard of Cloud-Player which was released under the GNU General Public License. It’s recently been relaunched/rebranded as aux.app. In this article, I’ll look at the native Linux player for aux.app. This streaming player plays music from YouTube, SoundCloud, and Deezer.

NetLogo is an open source, cross-platform tool that enables users to model a wide variety of natural and social phenomena (including biology, chemistry, computer science, economics, physics, psychology, art, and much more). It's a great way to learn how to develop small, agent-based model simulations and explore how large and small changes can affect an environment.

COPR is a collection of personal repositories for software that isn’t carried in Fedora. Some software doesn’t conform to standards that allow easy packaging. Or it may not meet other Fedora standards, despite being free and open source. COPR can offer these projects outside the Fedora set of packages.

Everyone goes to FOSDEM in Brussels to learn from its massive collection of talk tracks, colloquially known as developer rooms, that run the gauntlet of curiosities, covering programming languages like Rust, Go, and Python, to special topics ranging from community, to legal, to privacy. After two days of nonstop activity, many FOSDEM attendees move on to Ghent, Belgium, to join hundreds for Configuration Management Camp (CfgMgmtCamp). read more

As a sysadmin, you’ll often need to list all the users on your Linux system. This tutorial shows you how to list all users in the Linux command line.

Most stable Linux distributions don't come with newer software in their repository. Here is how you can run bleeding edge software on Debian and Ubuntu.

Friday was Mike Fey's first day on the job as the new CEO of Mesosphere. The six-year-old San Francisco-based startup announced his selection in December to fill the shoes of previous CEO, co-founder Florian Leibert, who announced in September plans to find a replacement to lead the company going forward.

Part of any Linux system as well as the LFCS exam, is the understanding and use of Root permissions. Root permissions give access to the permissions to perform any function on a Linux system. It is what someone using Windows would call Administrative privileges.

Linux takes a modular approach to processor scheduling in that different algorithms can be used to schedule different process types. A scheduling class specifies which scheduling policy applies to which type of process. Completely fair scheduling (CFS), which became part of the Linux 2.6.23 kernel in 2007, is the scheduling class for normal (as opposed to real-time) processes and therefore is named SCHED_NORMAL. read more

Virt2real has launched a Crowd Supply campaign for an open-spec, $89 “StereoPi” stereoscopic camera board designed to work with an RPi Compute Module and dual Raspberry Pi cameras. It supports spatial awareness, 3D depth maps, and 3D video livestreaming. Virt2real, the Russian firm that in 2013 brought us its Linux-based Virt2real wireless controller and remote-controlled […]

Linux has come a long way from its original offering. But, no matter how often you hear how easy Linux is now, there are still skeptics. To back up this claim, the desktop must be simple enough for those unfamiliar with Linux to be able to make use of it. And, the truth is that plenty of desktop distributions make this a reality.

The Arch Linux project released the February 2019 ISO snapshot for the Linux-based operating system to offer users an up-to-date installation medium for new deployments.

Maintaining a live network is one of a system administrator's most essential tasks, and keeping a watchful eye over connected systems is essential to keeping a network functioning at its best.

Zotac unveiled a line of Linux-ready, embedded “ZBox Pro” mini-PCs. The fanless systems include an Apollo Lake based “Pico” ultra-mini-PC plus Braswell and Apollo Lake based “Nano” and Kaby Lake based “QK” models. Consumer mini-PC maker Zotac has announced its first line of embedded mini-PCs and the first available with pre-loaded Linux. The Intel-based ZBox […]