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More than a year ago we started developing Firecracker, a virtual machine monitor (VMM) that runs on top of KVM (the kernel-based virtual machine). We wanted to create a lightweight VMM that starts virtual machines (VMs) in a fraction of a second, with a low memory footprint, to enable high-density cloud environments. read more

GitLab is an open-source web-based application used for managing Git-repositories for collaborative development. Its main purpose is managing multiple software development projects and its files among members of a team or an organization. It can also provide issue and time tracking, reviews, branching, and many more development-related features that use Git functionality.

If you are following our C programming tutorial series, you should be aware of the concept of variables. While we've discussed the basics of variables, there's another important aspect related to variables that we'll be discussing here: scope of variables.

Are you new to using Fedora, or have a question about using Fedora? Got a story or helpful hint for Fedora that you want to share? You want to check out Fedora Discussion. It is a relatively new place where users and members of the Fedora Community meet to discuss, ask questions, and interact. Fedora […]

I recently discovered a new daily puzzle, known as "spelling bee", that the New York Times offers online. I do pretty well at this puzzle, but I've never managed to find all of the hidden words. Nevertheless, I have become queen bee on a few occasions. How? The answer is simple. I cheated. How? Using Python, of course.

News briefs for March 11, 2019.

In this article, we will explain how to install, seek help on, and use the autotrash utility. We will elaborate on the procedure by presenting some examples that will help you with the widely used functions of this utility.

Is there a hotter topic in technology than securing your computer? Some experts will tell you that there is no such thing as perfect security. They joke that if you want your server or application to be truly secure, then turn off your server, unplug it from the network, and put it in a safe somewhere. The problem with that should be obvious: What good is an app or server that nobody can use? read more

2DayGeek: Do you know all three methods to create an user account in Linux?

Debian, as well as all other Linux distributions is a multi-user operating system. Each user can have different permission level and specific settings for various command line and GUI application. Knowing how to add and remove users is one of the basic skills a Linux user should know.

This Group Test selects and ranks the best weather software including widgets for GNOME and KDE, general weather software, as well as software to stream your weather data to a web site.

The Raspberry Pi is a small, single-board computer originally intended for teaching and learning programming and computer science. But today it's so much more. It is affordable, low-energy computing power that people can use for all kinds of things—from home entertainment over server applications to Internet of Things (IoT) projects. read more

NVM stands for Node version manager & as you might have guessed with name, it’s used to control Nodejs versions installed on our system. It is a command line utility, which allows us to use & switch between multiple versions of Nodejs.

It works on Linux & MacOS but does not yet support Windows machines, but there are some other 3rd party tools for Windows to do the same job.

We've recently seen the spike in Linux games, many popular gaming platforms have focused on Linux gaming. Last year Steam released Steam Play to play Windows games on Linux. Awesome! The list is growing fast so Linux gamers need Gamehub, an app allows to install, run, uninstall games from different sources from one place.

Ahmed Darwish is the developer now pursuing this "kernel oops viewer" with the intention of implementing the support as "minimal" DRM drivers for each hardware

In this tutorial we explain how to use the trap bash builtin to exit bash scripts cleanly. We explore examples of how to clean up temp files, ensure services stay running and close ports.

Fedora test days are events where anyone can help make sure changes in Fedora work well in an upcoming release. Fedora community members often participate, and the public is welcome at these events. If you’ve never contributed to Fedora before, this is a perfect way to get started. There are two upcoming test days this […]

Regularly updating your Ubuntu system is one of the most important aspects of overall system security.

Until now, this series has focused on the Raspberry Pi's software side, but today we'll get into the hardware. The availability of general-purpose input/output (GPIO) pins was one of the main features that interested me in the Pi when it first came out. GPIO allows you to programmatically interact with the physical world by attaching sensors, relays, and other types of circuitry to the Raspberry Pi. read more

GNU/Linux developer Arne Exton released a new version of his ExTiX Linux distro that has been rebased on the upcoming Ubuntu 19.04 operating system and ships with Linux kernel 5.0.