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RavenDB is a free and open-source document-oriented NoSQL database that supports multiple databases, sharding, or partitioning the data across multiple servers. In this tutorial, we will learn how to install RavenDB on Ubuntu 20.04 server.

Chromebooks have been a game-changer for PreK-12 school systems, enabling them to purchase low-cost laptop computers for students, teachers, and administrators to use. While Chromebooks have always been powered by a Linux-based operating system (Chrome OS), until recently, there was no way to run most Linux apps on one. read more

Whether you're programming a game or an app with Python or Lua, you're probably using PNG graphics for your game assets. An advantage of the PNG format, which is not available in a JPEG, is the ability to store an alpha channel. Alpha is, essentially, the "color" of invisibility or transparency. Alpha is the part of an image you don't see. read more

Mautic is an open source self-hosted marketing automation tool for everyone. You can use it to grow up your business, monitor your website, create landing pages, create campaign for your business, manage contacts, and even send marketing emails.

Graylog is a free and open-source log management software tool that can be used to monitor log of the network systems from the central server. It uses Elasticsearch to store logs data and provide search capabilities, and MongoDB for storing meta information.

As part of my role as a principal communication strategist at an enterprise software company with an open source development model, I publish a regular update about open source community, market, and industry trends. Here are some of my and their favorite articles from that update.

OnLogic has launched a line of AMD servers, including two with 2nd Gen Epyc and three with Ryzen 3000, including a $1,547 and up Compact Industrial AMD Ryzen Edge Server. Meanwhile, AMD launched some 15W mobile Ryzen C-series chips. OnLogic and AMD, which last year teamed up on promoting OnLogic mini-PCs based on AMD’s Ryzen […]

As of today, Linux Journal is back, and operating under the ownership of Slashdot Media. As Linux enthusiasts and long-time fans of Linux Journal, we were disappointed to hear about Linux Journal closing it's doors last year. It took some time, but fortunately we were able to get a deal done that allows us to keep Linux Journal alive now and indefinitely. It's important that amazing resources like Linux Journal never disappear.

This means Linus Torvalds has definitely won, doesn't it? Ignite Microsoft will release its Edge browser for Linux next month, initially through the browser's Dev preview channel.…

The Linux Foundation's Free Introduction to Linux class has just passed the million enrollment mark.

They love it, but they really, really wish there were more expert Cassandra NoSQL DBMS administrators out there.

As I wrote in the first two articles in this series, I enjoy solving small problems by writing small programs in different languages, so I can compare the different ways they approach the solution. The example I'm using in this series is dividing bulk supplies into hampers of similar value to distribute to struggling neighbors in your community, which you can read about in the first article in this series. read more

Axiomtek’s rugged, Linux-ready“ UST200-83H-FL” is a compact, DIN-rail IoT gateway with an Apollo Lake SoC plus dual isolated GbE, mSATA, CAN, DIO, dual mini-PCIe, and in-vehicle friendly power management. In-vehicle computers are becoming increasingly diverse, with different systems targeting everything from infotainment to telematics to ADAS and camera integration. Axiomtek’s fanless UST200-83H-FL is billed as […]

Teaching kids to code is very popular in schools. Many years ago, in the days of the Apple II and Logo programming, I learned about turtle graphics. I enjoyed learning how to program the virtual turtle and later helping students to do the same. read more

A how to guide for installing and running Vagrant using qemu-kvm on Fedora.

MinIO is a high performance, distributed object storage system. It is software-defined, runs on industry-standard hardware, and is 100% open source. In this tutorial, I will explain how to set up a Minio server for storage architecture usage.

Geniatech has launched a $25 “XPI-3128” SBC that runs Linux or Android on a quad -A7 Rockchip RK3128 with 512MB RAM, 8GB eMMC, optional 802.11ac/BT 4.2, and Pi-like ports, layout, and 40-pin GPIO. Last year, Geniatech introduced a series of Developer Board (DB) SBCs based on Rockchip SoCs led by the RK3399Pro-based DB3399 Pro. Now […]

Charles Babbage (1791–1871) was an avid mathematician with very wide interests. He is well-known for envisioning the idea of computers and single-handedly developed what he called a Difference Engine to make serial calculations. It was a mechanical machine with a series of axles and gears to make calculations, with the output being a printed table. read more

In this tutorial, we’ll learn how to connect ONLYOFFICE online editors and your Moodle instance using the activity plugin available in the Moodle library.

Like it or not, certifications are important for getting ahead in technology. The Linux Foundation wants to help by launching a new, entry-level certification: The Linux Foundation Certified IT Associate (LFCA).