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One of the key concepts in network routing that any Linux professional should be familiar with is network notation. This article was inspired by a request from a reader of my article, An introduction to Linux network routing, to explain more about CIDR notation and how it works. read more

For users in search of a commercially supported encryption tool for Linux with a backdoor-free guarantee, Jetico recommends its recently updated BestCrypt Container Encryption for Linux 3.0.

Technology is constantly moving forward—well, maybe not always forward, but always moving. Even for someone who keeps an eye on the trends and their effect on programmers, discerning exactly where things are headed can be a challenge. My clearest glimpse into open source programming trends always comes in the fall when I work with my fellow chairs, Kelsey Hightower and Scott Hanselman, and our fantastic programming committee to sculpt the coming year's OSCON (O'Reilly Open Source Convention). read more

The collaborative model in science, both in academia and in private research, is tried and true, so it should be no surprise that open source takes the same route. Contributions from professionals and those who have a shared vocation by another route, combined with directed learning and a focus on sharing and collaboration, produces results that are usually elevated above one individual's work. That last attribute, collaboration, in particular makes open science such a happy pairing. read more

Olimex announced an upcoming “ESP-WROVER-KIT” for Espressif’s ESP32 modules, with LCD, camera, and USB/JTAG links. Also, the ESP32-CoreBoard is back in stock. Bulgaria-based Olimex announced it will begin shipping limited quantities of Espressif’s LCD-ready ESP-WROVER-KIT in January. In addition, Espressif’s ESP32-CoreBoard is now once again in stock at Olimex, and Olimex’s own ESP32-EVB board will […]

Familiarity with OpenStack is likely to continue to be one of the most in-demand job skills in the new year, both for developers and system administrators. But OpenStack is a huge area, encompassing dozens of individual projects with varying degrees of complexity. Building and keeping up your skills can be a challenge.

At Opensource.com we compare page views for various topics, which gives us some insight into what people were interested in reading about and talking about this year. In addition to a ton of discussions about tools for automating or customizing your DevOps game, some interesting trends—some perennial, and some not—emerged for people who ponder both the business side and the tech side of things.

Cloud Foundry Summit is the premier event for enterprise app developers. Want to focus on innovation and streamline your development pipeline? Summit 2017 will make you an expert in microservices and continuous delivery in your language or framework of choice.

The OPNFV Summit brings together developers, end users, and communities working to advance open source Network Functions Virtualization.

Okay, that title really isn't fair. NethServer has all the Linux stuff, it's just that you don't have to interact with it in the traditional way in order to reap the benefits. NethServer is a web-based management software package built on top of CentOS. You can download it as a separate distribution, but truly, it's just software on top of CentOS.

Chris Mason is the principal author of Btrfs, the open source file system that’s seen as the default file system for SUSE Enterprise Linux. Mason started working on Btrfs at Oracle and then moved to Facebook where he continued to work on the file system as a member of the company’s Linux kernel team. When Facebook has new kernels that need to go out, Mason helps make sure that everything's been properly tested and meets performance needs.

In the 2015 Open Source Yearbook I looked at the best open source games. This year, with the continuing growth of Linux gaming, I've rounded up the top Linux games on Steam. On an average day, some of these games are played by almost a million players. I included both free and non-free games on my list read more

Most lightweight Linux distributions are fairly standard: They use a window manager with a small footprint and install a minimal amount of apps to continue with the small size metaphor. In the end, many of those distributions function well...at a cost of functionality.

The team behind The Randa Meetings is pleased to announce a community partnership with the KDE e.V. The Randa Meetings is the largest sprint organized by KDE, where roughly fifty KDE contributors meet yearly in the Swiss Alps to enjoy seven days of intense team work, pushing KDE technologies forward.

The Kubernetes community is building a platform that will make application development completely cloud infrastructure agnostic. Sam Ghods, co-founder of Box, said Kubernetes’ combination of portability and extensibility put it in a class of its own for cloud application development, during his CloudNativeCon keynote in November. “We finally have a portable abstraction to work against in cloud infrastructure,” he said.

Beginning next month, the company will tag web pages that include login or credit card fields with the message "Not Secure" if the page is not served using HTTPS, the secure version of the internet protocol.

A while ago, Fedora Magazine posted this interview with Rackspace architect Major Hayden where he mentioned the powerline utility. If you often use a terminal, you too might find powerline useful. It gives you helpful status information, and helps you stay... Continue Reading →

Running applications in our brave new container orchestration world is like managing herds of fireflies; they blink in and out. There is no such thing as uptimes anymore. Applications run, and when they fail, replacements launch from vanilla images. Easy come, easy go. But if your application needs to preserve state, it and must either take periodic snapshots or have some other method of recovering state. Snapshots are far from ideal as you will likely lose data, as with any non-graceful shutdown.

Although open-source software excels at innovation and leverages the immense power of talented developers dedicated to solving difficult problems, the focus is rarely on enterprise capabilities, asserts CloudBees, the hub of enterprise Jenkins and DevOps. Fortunate for Jenkins developers, CloudBees, Inc., has announced CloudBees Jenkins Enterprise, a Jen

Open sourcing your code is only a small part of building a successful open source community. Like any new venture, you need a vision of what you want to achieve and a concrete plan that will take you there. You want to be able to answer questions about your project like: read more