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Add videos as wallpaper on your Linux desktop

Open Source - ven, 07/10/2020 - 09:02

The Linux desktop is a beautiful thing, but if you're tired of boring wallpaper, then you should try wallset, a command-line utility allowing you to set a video as your wallpaper. Wallset can also help you manage your wallpaper collection so you can conveniently make changes as often as you want.

Installation

First, you must have the following software installed on your system:


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How open source will affect the future of our energy use

Open Source - ven, 07/10/2020 - 09:00

Humanity depends upon the energy furnished by our environment. Without powerful energy sources, we would not be able to digitally communicate with people from anywhere and feel as if we're in the same room.


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What you need to know about automation testing in CI/CD

Open Source - jeu, 07/09/2020 - 09:02

"If things seem under control, you're just not going fast enough." —Mario Andretti

Test automation means focusing continuously on detecting defects, errors, and bugs as early and quickly as possible in the software development process. This is done using tools that pursue quality as the highest value and are put in place to ensure quality—not just pursue it.


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Expand your Raspberry Pi with Arduino ports

Open Source - jeu, 07/09/2020 - 09:02

As members of the maker community, we are always looking for creative ways to use hardware and software. This time, Patrick Lima and I decided we wanted to expand the Raspberry Pi's ports using an Arduino board, so we could access more functionality and ports and add a layer of protection to the device. There are a lot of ways to use this setup, such as building a solar panel that follows the sun, a home weather station, joystick interaction, and more.


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Making compliance scalable in a container world

Open Source - jeu, 07/09/2020 - 09:00

Software is increasingly being distributed as container images. Container images include the many software components needed to support the featured software in the container. Thus, distribution of a container image involves distribution of many software components, which typically include GPL-licensed components. We can't expect every company that distributes container images to become an open source compliance expert, so we need to build compliance into container technology.


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Program IoT systems using Python with this VSCode plugin for RTOS

Open Source - mer, 07/08/2020 - 09:02

The pervasiveness of the Internet of Things (IoT) means nearly every product, from refrigerators to pocket watches, can connect to a network. For that to happen, all these products must have an embedded computer running a networking stack, and some of these products are almost impossibly small. That's where embedded software comes in: modern technology provides a tiny computer, hard-coded into a hardware chip, without any need for offboard CPU, RAM, or hard drive.


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A visual guide to Lens: A new way to see Kubernetes

Open Source - mer, 07/08/2020 - 09:01

There are many Kubernetes administration tools to choose from, whether you prefer a command-line utility or a graphical user interface. I recently covered k9s, a text-based interface that many day-to-day Kubernetes administrators enjoy, but you have to navigate through many Kubernetes-specific terms to use it. A lot of people who use Kubernetes less often would rather have a colorful, clean visual guide.


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6 best practices for teams using Git

Open Source - mer, 07/08/2020 - 09:00

Git is very useful for helping small teams manage their software development processes, but there are ways you can make it even more effective. I've found a number of best practices that help my team, especially as new team members join with varying levels of Git expertise.


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VR hits a new milestone, Mozilla's growing open source voice library, change in Redis maintainers, and more open source news

Open Source - mar, 07/07/2020 - 09:03

In this week’s edition of our open source news roundup, Mozilla updates its open source voice stack, a tool to tame VR cybersickness, and more open source news.

A new open source toolkit to prevent VR cybersickness

Researchers at The University of Texas at San Antonio (UTSA) announced the release of GingerVR last month. A UTSA blog post announcing the news called GingerVR the first open-source Unity software toolkit using proven techniques to help virtual reality (VR) users fight cybersickness. 


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Use systemd timers instead of cronjobs

Open Source - mar, 07/07/2020 - 09:02

I am in the process of converting my cron jobs to systemd timers. I have used timers for a few years, but usually, I learned just enough to perform the task I was working on. While doing research for this systemd series, I learned that systemd timers have some very interesting capabilities.


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Why I stick with xterm

Open Source - mar, 07/07/2020 - 09:01

What's my terminal of choice?

I use xterm. That's right, xterm. It may seem like an old school choice, and I do use GNOME 3 now as well, but after many years of trying some and ignoring others, then going back to old standbys, I find I don't need (or like) newer stuff like GNOME Terminal.

My philosophy: Start simple, improve over time, and aim for productivity.

Background and foreground

I start up xterm with this script:


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What you need to know about hash functions

Open Source - mar, 07/07/2020 - 09:00

There is a tool in the security practitioner's repertoire that's helpful for everyone to understand, regardless of what they do with computers: cryptographic hash functions. That may sound mysterious, technical, and maybe even boring, but I have a concise explanation of what hashes are and why they matter to you.


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A guide to Terraform for Kubernetes beginners

Open Source - lun, 07/06/2020 - 09:02

When I build infrastructure, I do it as code. The movement toward infrastructure as code means that every change is visible, whether it's through configuration management files or full-blown GitOps.


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Set up Vim as your Rust IDE

Open Source - lun, 07/06/2020 - 09:01

The Rust programming language is designed to implement systems programming with safe concurrency and high memory performance in a way that feels familiar to C++ developers. It's also one of the most loved programming languages in Stack Overflow's 2019 Developer Survey.


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9 open source test-automation frameworks

Open Source - lun, 07/06/2020 - 09:00

A test-automation framework is a set of best practices, common tools, and libraries that help quality-assurance testers assess the functionality, security, usability, and accessibility of multiple web and mobile applications. In a "quick-click" digital world, we're accustomed to fulfilling our needs in a jiffy. This is one reason why the software market is flooded with hundreds of test-automation frameworks.


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Community crossover, Rust at CNCF, and more industry trends

Open Source - ven, 07/03/2020 - 11:53

As part of my role as a senior product marketing manager at an enterprise software company with an open source development model, I publish a regular update about open source community, market, and industry trends for product marketers, managers, and other influencers. Here are five of my and their favorite articles from that update.


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Create LEGO designs in Blender with this plugin

Open Source - ven, 07/03/2020 - 09:01

I use LEGO CAD to document some of my own creations (or "MOCs," as custom sets are called in some digital LEGO communities). The advantage of computer-aided design (CAD) is precision. When you use CAD to build something in virtual space, you can reasonably expect that it can be built in the real world. While the LEGO CAD applications I use don't have simulated physics to verify the structural integrity of my designs, I do lay every brick in the software to mimic a model I've made in real life.


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What does a scrum master do?

Open Source - ven, 07/03/2020 - 09:00

Turning a love of open source communities into a career is possible, and there are plenty of directions you can take. The path I'm on these days is as a scrum master.

Scrum is a framework in which software development teams deliver working software in increments of 30 days or less called "sprints." There are three roles: scrum master, product owner, and development team. A scrum master is a facilitator, coach, teacher/mentor, and servant/leader that guides the development team through executing the scrum framework correctly.


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Customizing my Linux terminal with tmux and Git

Open Source - jeu, 07/02/2020 - 09:02

I use GNOME Terminal, mostly because it is my distribution's default. But what happens inside my terminal is far from "default." Before I get into how I customize it, here is what it looks like:


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6 best practices for managing Git repos

Open Source - jeu, 07/02/2020 - 09:01

Having access to source code makes it possible to analyze the security and safety of applications. But if nobody actually looks at the code, the issues won’t get caught, and even when people are actively looking at code, there’s usually quite a lot to look at. Fortunately, GitHub has an active security team, and recently, they revealed a Trojan that had been committed into several Git repositories, having snuck past even the repo owners.


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