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Elastic Jamroom is free, open source, scalable, and social networking software written in PHP that can be used by website developers for creating community websites. In this tutorial, we will learn how to install Jamroom CMS on Ubuntu 16.04.

My reaction when I first came across the terms counter and gauge and the graphs with colors and numbers labeled "mean" and "upper 90" was one of avoidance. It's like I saw them, but I didn't care because I didn't understand them or how they might be useful. Since my job didn't require me to pay attention to them, they remained ignored. That was about two years ago. As I progressed in my career, I wanted to understand more about our network applications, and that is when I started learning about metrics.

Managing an open source project is challenging work, and the challenges grow as a project grows. Eventually, a project may need to meet different requirements and span multiple repositories. These problems aren't technical, but they are important to solve to scale a technical project. Business process management methodologies such as agile and kanban bring a method to the madness.

Ordinary folk may be confused by title, takedown demand suggests Oracle, claims developer Zhongmin Steven Guo, has demanded that Apple remove an app he created because it contains the trademarked term "JavaScript."…

On May 25, 2018 the General Data Protection Regulation will go into effect. This new regulation by the European Union will impact how organizations need to protect personal data on a global scale. This could include open source projects, i.e. communities.

Harness the power of bash and learn how to scrape websites for exciting new images every morning.

News briefs for April 18, 2018.

So many of you have asked how to help Linux Journal continue to be published* for years to come. First, keep the great ideas coming—we all want to continue making Linux Journal 2.0 something special, and we need this community to do it.

Back in 1996 I learned how to install software on my spanking new Linux before really understanding the topography of the filesystem. You see, back then, Linux was not the intuitive, user-friendly system it is today. I soon realized I would need to spend some time getting a handle on how the directories were organized and what all their exotic names like etc/ (not a for miscellaneous files), usr/ (not for user files), and bin/ (not a trash can) meant. This tutorial will help you get up to speed faster than I did.

It's not hidden that apart from costing tons of money, the use of proprietary software also brings along hidden security caveats. These are the two primary reasons why the usage of open source software is being pushed in public agencies all around the world, especially in European countries.

IEI’s Linux-ready “IBX-660” is a rugged, storage-oriented embedded computer with a Bay Trail Atom, 4x removable SATA bays, 2x GbE ports, 4x USB, HDMI, mini-PCIe, and -40 to 50°C support. IEI Technology has launched a rugged IBX-660 “industrial data collection server for factory automation and harsh environments.” The system runs Linux or Windows 10 ......

Like many others, I've been trying to get involved in the rapidly expanding field of data science. When I took Udemy courses on the R and Python programming languages, I downloaded and installed the applications independently. read more

Rancher is an open source container management platform. In this tutorial, I will guide you to step-by-step install and configure Rancher on Ubuntu 16.04 LTS. We will install Rancher on an Ubuntu server, enable local authentication, add the rancher host, and then try to run single container application from Rancher Dashboard.

Learning management systems (LMS) are the software powering online education, enabling teachers and trainers to share coursework, administer assessments, and track students' learning. There are a variety of LMSes available from proprietary vendors, but an enduring open source choice is Moodle.

DevOps seems to be the talk of the IT world of late—and for good reason. DevOps has streamlined the process and production of IT development and operations. However, there is also an upfront cost to embracing a DevOps ideology, in terms of time, effort, knowledge, and financial investment.

This is a recording of a live show. It's Tuesday and that means it's time for Cooking With Linux (without a net), sponsored and supported by Linux Journal. Today, I'm going to install four popular content management systems. These will be Drupal, Joomla, Wordpress, and Backdrop.

In this article, we talk with Andrew Jenkins, Lead Architect at Aspen Mesh, about moving from monolithic apps to microservices and cut through some of the hype around service mesh for managing microservice architectures.

Of the many great features/changes for Linux 4.17, one of the most exciting to us is the idle power efficiency and performance-per-Watt improvements on some systems thanks to a rework to the kernel's idle loop handling. Rafael Wysocki and Thomas Ilsche as two of the developers working on this big code change presented on their work today for this CPU idle loop ordering problem and its resolution.

In the first article in our series on the Cloud Foundry for Developers training course, we explained what Cloud Foundry is and how it's used. We continue our journey here with a look at some basic terms. Understanding the terminology is the key to not being in a constant state of bewilderment, so here are the most important terms and concepts to know for Cloud Foundry.

This article was co-written with Jeff Triplett. read more