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Centrifugo is an open-source real-time messaging server with support for WebSocket and SockJS. In this guide, we will show you how to install Centrifugo on Ubuntu 20.04 server.

Recent supply chain breaches, plus President Biden's new Cybersecurity executive order, are bringing renewed attention to DevSecOps' value for the enterprise. DevSecOps brings culture changes, frameworks, and tools into open source software (OSS). To understand DevSecOps, you must understand its relationship with OSS. read more

Explore how to use Systemd Timers to schedule tasks on Fedora Linux.

Real talk: this web stuff can get confusing. And it’s really important that we all understand how it works, so we can be as informed and empowered as possible. Let’s start by breaking down the differences between the internet, browsers, search engines and websites. Lots of us get these four things confused with each other […]

In this guide, we will learn to install the Joomla CMS on Ubuntu 20.04. Joomla is a widely-used content management system (CMS) that is used for making dynamic websites. It is open-source and is available for free under GPL (general public license).

OpenEmbed’s $159-and-up “EdgeBox-RPI4” industrial controller builds on the Raspberry Pi CM4 with GbE, optional WiFi/BT, HDMI 2.0, 2x USB, isolated RS485 and DIO and M.2 and mini-PCIe for NVMe and 4G. OpenEmbed, which has introduced products such as the RK3399-based em3399 module and emPAC-RK3399-EVB eval board, has launched a compact, semi-rugged edge controller and IoT […]

TI’s 16nm Sitara AM64x offers up to 2x -A53, up to 4x Cortex-R5F, and a Cortex-M4F core for FuSa and ships with a Linux SDK and choice of $99 and $299 eval kits. Phytec, SolidRun, and TQ have also unveiled AM64x based modules. The Texas Instruments Sitara AM64x was announced on Embedded Computing in early […]

Application modernization developers must be able to understand database operations and transaction processes inside applications precisely. Tackle-DiVA (Data-intensive Validity Analyzer) is an open source data-centric Java application analysis tool in the Konveyor Tackle project that aims at refactoring applications to Kubernetes. This article gives an overview of Tackle-DiVA and presents example instructions and analysis results.

Installing an application on a computer system is pretty simple. You copy files from an archive (like a .zip file) onto the target computer in a place the operating system expects there to be applications. Because many of us are accustomed to having fancy installer "wizards" to help us get software on our computers, the process seems like it should be technically more complex than it is.

If you've looked carefully at FreeDOS, you've probably noticed that text only comes in a limited range of colors—sixteen text colors, and eight background colors. This is similar to how Linux displays text color—you might be able to change what text colors are used in a Linux terminal, but you're still stuck with just sixteen text colors and eight background colors.

Along with a slew of other new features. Systemd maintainer Lennart Poettering has committed code for RC1 including a huge number of new features.…

Radxa’s Raspberry Pi Zero-like “Radxa Zero” SBC runs on Amlogic’s quad -A53 S905Y2 and sells for $15 (512MB LPDDR4) to $45 (4GB with 16GB eMMC). Features include WiFi/BT, 4K-ready micro-HDMI, 40-pin GPIO, and 2x USB Type-C. The Raspberry Pi Compute Module series has followed mainstream Pi SBCs into Cortex-A53 and Cortex-A72 territory with the RPi […]

Fedora Magazine is always looking for content to publish from the Fedora Community as well as from Fedora Project. This content comes from the community members like you. I’d like to begin with how I got started writing for Fedora Magazine, highlighting the community interaction that led to it, and finishing with my thoughts on […]

A continuous integration/continuous deployment (CI/CD) pipeline is an anchor for every DevOps initiative. The CI/CD pipeline breaks down traditional silos and enables development and operations teams to collaborate throughout the entire software development lifecycle. Better yet, moving to DevOps and a CI/CD pipeline can help your organization deliver software more securely at a higher velocity. read more

Pine64 has launched a “Quartz64 model-A” SBC for $60 (4GB) or $80 (8GB). Upcoming projects include a “SOQuartz” module that runs Linux on the same Rockchip RK3566 and a PineDio LoRa gateway. Pine64 unveiled its open-spec, Rockchip RK3566 powered Quartz64 model-A SBC in February and followed by announcing a smaller, Raspberry Pi sized Quartz64 model-B […]

A lot of effort has gone into this release and it shows – everything 'just works' Hands on The Debian 11 is the venerable Debian Project's first new release in more than two years, nicknamed "Bullseye" after the Toy Story character and supplanting Debian 10 "Buster" (all Debian releases bear names from the kids' film).…

This obnoxious Linux systemd bug has been fixed, which means if you're running most recent Linux distributions, you'll need to patch it now.

Data analytics is a trendy field with many solutions available. One of them is Cube.js, an open source analytical platform. You can think of Cube.js as a layer between your data sources and applications. As the diagram below shows, Cube.js supports serverless data warehouses and most modern relational database management systems (RDBMS). You can work with any JavaScript front-end library for data visualization, and Cube.js will take care of the rest, including access control, performance, concurrency, and more. read more

A static site generator is a tool that generates a full, static HTML website based on raw data and a set of templates. It automates the task of coding individual HTML pages and gets those pages ready to serve to users. Because the HTML pages are prebuilt, they load very quickly in users' browsers. read more

Music is a great way to relax. On Linux, I listen to music using Rhythmbox. But did you know you can listen to music on FreeDOS, as well? Let's take a look at two popular programs to listen to music: read more