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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

2DayGeek: Multiple ways to check whether the given package is installed or not on Debian based system.

In this article, we will first describe how to install the Qt Creator through the command line. Then, we will explain how to write a simple Qt Hello World program and run it through the Command line and the Qt Compiler GUI. We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system.

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

Have you ever wanted to know what devices were on your network, but didn't want to launch an overly complicated piece of software? When you need that information, and you need it quickly, why not turn to the command line?

Clojure is a dynamic functional general purpose programming language that runs on the Java platform. There’s lots of good reasons to learn Clojure. It offers a modern take on Lisp. There’s an excellent parser library, and a fully featured logic engine. In Clojure, immutability is the default. Once an object or data structure is created, it cannot be changed.

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 […]

Mozilla released today the fourth maintenance update to the latest Firefox 66.0 "Quantum" web browser series to address a major issue preventing all types of extensions from running or being installed.

On DL118 - Pop!_OS 19.04, Scientific Linux Ending, SE350 Server By Lenovo, Nvidia GTX 1650, Intel Cascade Lake Benchmarks, Handshake $300,000 To Debian, Epic Game Store on Linux plus more

Using lock files as job control for Linux bash scripts. Learn how to create a basic lock file, locking files with flock and see examples of each.

Linus Torvalds has announced today the release of the Linux 5.1 kernel series, a featureful kernel branch that brings lots of great additions, as well as improvements to existing features.

Regularly updating your CentOS system is one of the most important aspects of overall system security. If you don’t update your operating system’s packages with the latest security patches, you are leaving your machine vulnerable to attacks.

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.

There can be so many reasons when you need to record your screen. When I started using Linux, I used to record my screen whenever I had any problem and upload it to Linux communities. Today I sometimes record my screen for demonstration purposes in my tutorials. Similarly, you can record your screen in Linux. In this article, I'm going to mention 5 Best screen recorders in Ubuntu. So let's get started!

Much as I like using AWK, there are some processing jobs with data tables that are easier to do with cut and paste on the command line.

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

openSUSE Leap 15.1 is almost ready for release! However, there is not much buzz around this release. When I tried to establish what was new in Leap 15.1, I started to understand why. Leap 15.1 mostly features minor updates. Still there are updates that are noteworthy. This article describes the new features for openSUSE desktop users.