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The appearance of Hadoop and its related ecosystem was like a Cambrian explosion of open source tools and frameworks to process big amounts of data. But companies who invested early in big data found some challenges. For example, they needed engineers with expert knowledge not only on distributed systems and data processing but also on Java and the related JVM-based languages and tools.

While many schools invest in Chromebooks and iPads, a growing flock of Linux-forward institutions is mapping an alternate route. I recently caught up with one innovative educator and IT leader from my home state. Aaron Prisk is the network administrator at West Branch Area School District, a small rural school an hour north of State College, Pennsylvania. read more

Mozilla thinks you won’t mind analytical action on the client. The Mozilla Foundation has revealed that links to sponsored content have started to appear in its Firefox browser and pledged it delivers them without invading users’ privacy.…

Opensource.com contributor Brendan Gregg gave an UPSCALE talk at SCaLE 16x in March and we posted the video, CPU utilization is wrong, which was a big hit with readers last week. Read on for more of our most popular posts from the week of April 23-29.

News briefs for April 30, 2018.

What is often a surprise to people is how massive open source is on mainframe. Ninety percent of mainframe customers leverage Linux on their mainframe, with broad support across all the top Linux distributions along with a growing number of community distributions. Key open source applications such as MongoDB, Hyperledger, Docker, and PostgreSQL thrive on the architecture and are actively used in production.

Recently, while experimenting with GTK and its Ruby bindings, I decided to write a tutorial introducing this functionality. In this post, we will create a simple ToDo application (something like what we created with Ruby on Rails) using the gtk3 gem (a.k.a. the GTK+ Ruby bindings). You can find the tutorial's code on GitHub. read more

Files is an essential application in the GNOME desktop. Many users interact with it daily to navigate, find and open files. Here are some changes in GNOME 3.28 users will see in the Fedora 28 release. Upcoming features in Files Each release cycle, GNOME community members improve and enhance the user experience with design and […]

There are certain Linux utilities that are aimed at performing a single task and hence offer very few or no command line options. Two such tools are which and whoami. In this tutorial, we will discuss these commands using some easy to understand examples.

Efforts to work around serious hardware flaws in Intel chips are ongoing.

The Eclipse IoT Developer Survey shows Linux (led by Raspbian) is the leading IoT platforms at 71.8 percent, with FreeRTOS pressing Windows for second place. AWS is the leading IoT cloud platform. The Eclipse Foundation’s Eclipse IoT Working Group has released the results of its IoT Developer Survey 2018, which surveyed 502 Eclipse developers between […]

Logging by nature is complex and in containerized environments there are new challenges that need to be addressed. In this article we will describe the current status of the Fluentd Ecosystem and how Fluent Bit (a Fluentd sub-project) is filling the gaps in cloud native environments.

Sometimes you might want to hide the history of commands you typed in the shell on Linux. This is e.g. useful when you are building a server image to roll out multiple virtual machines. The command shown below will work on all Linux Distributions (CentOS, Debian, Ubuntu, etc).

Python offers a unique set of tools and language features that help make your code more elegant, readable, and intuitive. By selecting the right tool for the right problem, your code will be easier to maintain. In this article, we'll examine three of those tools: magic methods, iterators and generators, and method magic.  read more

A system administrator can easily reset passwords for users who have forgotten theirs. But what happens if the system administrator forgets the root password, or leaves the company? This guide will show you how to reset a lost or forgotten root password on a Red Hat-compatible system, including Fedora and CentOS, in less than 5 minutes.

Do you remember the first time you built a role-playing game (RPG) character? It was exciting and full of possibility, and your imagination ran wild. If you're an avid gamer, it was probably a major milestone for you.

Cloud Foundry is large and complex, because that is what happens when we build software to automate tasks we've been doing manually. In this series, we are previewing the Cloud Foundry for Developers training course to help you better understand what Cloud Foundry is and how to use it.

Today, Mozilla is sharing an early preview of an experiment we are calling “Hubs by Mozilla”. Hubs is an immersive social experience that is delivered through the browser.

As discussed in Part 1 of this series, Stratis is a volume-managing filesystem (VMF) with functionality similar to ZFS and Btrfs. In designing Stratis, we studied the choices that developers of existing solutions made.

Configuring local storage is something desktop Linux users do very infrequently—maybe only once, during installation. Linux storage tech moves slowly, and many storage tools used 20 years ago are still used regularly today. But some things have improved since then. Why aren't people taking advantage of these new capabilities?