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This tutorial explains how to setup and configure MySQL multi-master replication on Oracle Linux. Please note that even though the configuration is made under Oracle Linux, yet the steps and configuration are mainly the same to CentOS and Red Hat Linux.

An Arduino-Due based “ERASynth” RF signal generator starts at $499, and offers WiFi and a multiloop integer-N PLL for better performance and reduced noise. Istanbul, Turkey based startup ERA Instruments has successfully funded its open spec ERASynth RF signal generator on Crowd Supply, having raised over $30,000. The ERASynth offers some features found on much […]

I've been writing for a while on topics related to product and supply chain management in the context of open source communities, and I've noticed a few consistent themes in my articles and blog posts. Most notable is the call for companies to move from the "not invented here" syndrome to a more externally focused view. After all, if so much innovation is taking place in open source projects, why not take advantage of it to the fullest extent possible? You can see this theme manifested in the following ways: read more

From Reddit to Red Hat, Go is in charge of critical systems across the web. Go is also a notable member of an emerging generation of languages. "A good science fiction story should be able to predict not the automobile but the traffic jam." —Frederik Pohl read more

Whether you're an aspiring or accomplished musician, a volunteer roadie, or an experienced audio engineer, you'll be glad to hear that there are many options for making music with open source. This month, I want to introduce you to the sequencer that I use for my audio work, whether it's mixing soundtracks for short films or making music with my band or for myself: Qtractor. read more

The words "Linux" and "malware" don’t tend to belong in the same sentence, but a new strain called Linux.MulDrop.14 is infecting Raspberry Pi devices. Infected machines are used to mine cryptocurrency for the malware's author, and it take advantage of poor security to generate money from nothing.

AdaCore recently announced the concurrent annual release of four flagship products in its portfolio of software development and verification tools for mission-critical, safety-critical and security-critical systems. These include version 17.1 of GNAT Pro, CodePeer, QGen and SPARK Pro.

This week in open source and Linux news, Toyota's 2018 Camry to feature Automotive Grade Linux (AGL) infotainment system, older Raspberry Pis risk vulnerability without updating, and more.

In this week's edition of our open source news roundup, we take a look at Toyota turning to Linux in its newest Camry, the Raspberry Pi and CoderDojo Foundations merging, a new open source tool to prepare for data breaches, and more. Open source news roundup for May 28-June 9, 2017 read more

In my last article, I introduced how MCollective could be used for general orchestration tasks.

Flock is the annual conference where Fedora contributors meet up in person to collaborate and plan for future Fedora development. This year, Flock is in Cape Cod, Massachusetts, USA from the 29th of August to the 1st of September. If... Continue Reading →

Aaeon’s rugged, Linux-ready OMNI-5000 AIO panel PCs include Celeron J1900 based 12.1- and 15-inch models and a Skylake-based, 21.5-inch system. Aaeon has launched a line of OMNI-500 All-in-One panel PCs in three models with 12.1-, 15-, and 21.5-inch capacitive touchscreens. The two smaller models offer an Intel “Bay Trail” Celeron J1900 with four up to […]

A new TurtleBot3 rev of the open source, Ubuntu/ROS-based robot kit is available in “Burger” and “Waffle” models with an RPi 3 or Intel Joule, respectively. The “world’s most popular open source robot for education and research” has received a major upgrade with two modular TurtleBot3 models from Open Robitics that run Linux and Robot […]

In Linux, there may be times when you might want to change the owner and group-related information for a file or directory. If you are a command line newbie, and want to know how you can make such changes through the command line, you'll be glad to know that there exists a command - dubbed chown - that lets you do this.

GNOME, the Fedora Workstation default environment, has a well known Alt+Tab feature to switch apps. This control groups windows for a single app together. For example, multiple terminal windows appear as a single terminal app. The Alt+` (backtick or backquote) shortcut switches between those... Continue Reading →

In this week's Top 5, we highlight education, Linux-friendly hardware, and more. Top 5 articles of the week 5. 5 great KDE apps to help you study  Zsolt Szakács shares tools for people who want to learn new skills or practice existing ones. With typing, geography, music, and more, there's something in here for everyone. read more

Links are a very handy way to create a shortcut to an original directory. Links are used in many instances: Sometimes to create a convenient path to a directory buried deep within the file hierarchy; other uses for links include:

Oracle wants to be a cloud power, but instead of branding their own cloud DevOps program, they'll be working with CoreOS on Kubernetes.

The Semantic Web, a term coined by World Wide Web (WWW) inventor Sir Tim Berners-Lee, refers to the concept that all the information in all the websites on the internet should be able to interoperate and communicate. That vision, of a web of knowledge that supplies information to anyone who wants it, is continuing to emerge and grow. read more

JavaScript is the lingua franca of the Internet. Like English, it's a language that language snobs love to hate, and it's spoken everywhere. As Anders Hejlsberg said: "JavaScript is the only true cross-platform game in town." read more