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Shared libraries use version numbers to allow for upgrades to the libraries used by applications while preserving compatibility for older applications. This article reviews what's really going on under the book jacket and why there are so many symbolic links in /usr/lib on a normal Linux system.

In this third article in a three-part series on the RPM Package Manager, discover the ins and outs of software dependencies, and learn how to control and customize your software packaging. (This series replaces an earlier series on RPM written by Dan Poirier.)

In this article, I provide a survey of a number of popular Linux data visualization tools and include some insight into their other capabilities.

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. This community is the reason we have such a large, diverse range of software packages available in the Python Package Index (PyPI) to extend and improve Python and solve the read more

The printk() function is a subject of much ongoing consternation among kernel developers. Ostensibly, it's just an output routine for sending text to the console. But unlike a regular print routine, printk() has to be able to work even under extreme conditions, like when something horrible is going on and the system needs to utter a few last clues as it breathes its final breath.

News briefs for May 7, 2019.

What happens when you release 500,000 human genomes as open source?

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MicroSys is sampling a new “miriac” module and SBC that run Linux on NXP’s Cortex-A72 based LS1028A with 5x TSN-ready GbE ports and support for up to 2x 10GbE SerDes lanes. Germany-based MicroSys Electronics has begun limited sampling of a miriac MPX-LS1028A compute module and a sandwich-style miriac SBC-LS1028A-TSN SBC that run Linux or the […]

Mozillans scramble over the weekend to undo damage On Friday, Mozilla detected a great disturbance in its Firefox browser, as if millions of voices had cried out on social media in annoyance.…

A new Windows Terminal is here and on GitHub. Build The biggest news of Microsoft's annual developer get-together, Build, this year was the arrival of the Linux kernel as part of Windows Subsystem for Linux 2. Oh, and a new tab-happy Windows Terminal? It's in GitHub.…

Creative Commons (CC) licenses are built on copyright and designed to give more options to creators who want to share their content; for example, Opensource.com's content has a CC license. In July 2018, Creative Commons launched a CC Certificate program—an in-depth course about CC licenses, open practices, and the ethos of the Commons. It is composed of readings, quizzes, discussions, and practical exercises to develop learners' open skills. read more

When I started working at Microsoft a few years ago, one of the first things I did was create a OneNote file to keep track of everything. I had to learn about internal procedures and tooling, partners, projects, and so many other things. The hierarchical nature of OneNote files made it easy to arrange this loosely related information into a well-organized set of documentation that I could quickly refer to. When I left Microsoft to take a job at Red Hat, I wanted to keep using the concept, but with an open source tool. read more

In this ongoing C programming tutorial series, we have been discussing lately about structures. Now, expanding further on the concept of structures, we'll discuss how to create an array of structures using easy to understand examples.

News briefs for May 6, 2019.

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. This community is the reason we have such a large, diverse range of software packages available in the Python Package Index (PyPI) to extend and improve Python and solve the read more

While modern IT environments move towards Linux containers, the need to secure these environments is as relevant as ever. Containers are a process isolation technology. While containers can be a defense mechanism, they only excel when combined with SELinux. Fedora SELinux engineering built a new standalone tool, udica, to generate SELinux policy profiles for containers […]

With Linux now serving as the foundation for cloud computing infrastructure, Red Hat is expected to delve deeper into the capabilities of Red Hat Enterprise Linux (RHEL) 8 at the show. The flagship operating system, currently in beta, is well suited to run mission-critical applications on commodity hardware.

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. read more

Conventional wisdom says you can either be a fan of Star Trek or of Star Wars, but mixing the two is like mixing matter and anti-matter. I'm not sure that's true, but even if the laws of physics cannot be changed, these two acclaimed sci-fi series have influenced the open source universe and created their own open source multi-verses. read more

Sometime in recent history, sci-fi nerds began an annual celebration of everything Star Wars on May the 4th, a pun on the Jedi blessing, "May the Force be with you." Although most Linux users are probably not Jedi, they still have ways to use the force. Of course, the movie might not have been quite as exciting if Yoda simply told Luke to type man X-Wing fighter or man force. Or if he'd said, "RTFM" (Read the Force Manual, of course). read more