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Welcome back to another day of the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself what command-line toys are all about. Basically, they're games and simple diversions that help you have fun at the terminal. Some are new, and some are old classics. We hope you enjoy.

Podman, part of the libpod library, enables users to manage pods, containers, and container images. In my last article, I wrote about Podman as a more secure way to run containers. Here, I'll explain how to use Podman to run containers in separate user namespaces. read more

Gaming on your Linux desktop, trying alternative desktop environments, and tweaking little details such as your boot screen. Yes, it’s been a whole year again! What a great time to look back at the most popular articles on the Fedora Magazine written by our awesome contributors. Let’s dive into the first article of the “best […]

News briefs for December 14, 2018.

This week's KubeCon + CloudNativeCon North America 2018 in Seattle was the biggest ever! This sold-out event featured four days of information on Kubernetes, Prometheus, Envoy, OpenTracing, Fluentd, gRPC, containerd, and rkt, along with many other exciting projects and topics. More than 100 lightning talks, keynotes, and technical sessions from the event have already been posted.  You can check out the videos on YouTube.

Ansible is a free and open source software that can be used to automate software provisioning, configuration management, and application deployment. In this tutorial, we will learn how to install and use Ansible on Ubuntu 18.04 server.

For environmental scientists, researching a single ecosystem or organism can be a daunting task. The amount of data and literature to comb through (or create) is often overwhelming.

So how, then, can environmental scientists approach studying the health of the world’s oceans? What ocean health means is a big question in itself—oceans span millions of square miles, are home to countless species, and border hundreds of countries and territories, each of which has its own unique marine policies and practices.

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Welcome to another day of the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself what a command-line toy even is. We’re figuring that out as we go, but generally, it could be a game, or any simple diversion that helps you have fun at the terminal. Some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone. read more

Olea Sensor Networks’ “OS-3010” healthcare sensor module now works with the Raspberry Pi and other Linux and Android devices. A 24GHz Doppler Radar Sensor monitors heart rate, respiration, and other signals synthesized by OleaSense software. Reno, Nevada based Olea Sensor Networks Sensor makes a variety of sensors and sensor boards for healthcare, industrial safety, and […]

I'm generally not big on New Year's resolutions. I have no problem with self-improvement, of course, but I tend to anchor around other parts of the calendar. Even so, there's something about taking down this year's free calendar and replacing it with next year's that inspires some introspection. In 2017, I resolved to not share articles on social media until I'd read them. I've kept to that pretty well, and I'd like to think it has made me a better citizen of the internet. For 2019, I'm thinking about resolutions to make me a better open source software maintainer. read more

SolidRun’s “ClearFog CX 8K” SBC is built around a “CEx7 A8040” COM Express Type 7 module that runs Linux on a quad -A72 Armada A8040. Features include 4x 10GbE SFP+ ports and mini-PCIe, M.2, and SATA expansion. In August, SolidRun updated its ClearFog line of Linux-driven router boards with a high-end ClearFog GT 8K SBC […]

In case you missed it, there’s a new performance test tool on the block: Flood Element. It’s a scalable, browser-based tool that allows you to write scripts in JavaScript that interact with web pages like a real user would. Browser Level Users is a newer approach to load testing that overcomes many of the common challenges we hear about traditional methods of testing. It offers: read more

In "Why Doctors Hate Their Computers," Atul Gawande describes the frustration medical professionals experience when the requirements imposed by the electronic health records (EHR) system they must use to annotate their patient interactions get in the way of those same patient interactions. Sumit Rana, a senior vice president of EHR company Epic, called one of the more frustrating problems "the Revenge of the Ancillaries." Gawande wrote: read more

It's that time of the year again. Everyone is in a festive mood and excited about all the new things they're going to get. It's only natural, since it's the season of the last KDE Applications release for this year!

News briefs for December 13, 2018.

Welcome back. Here we are, just past the halfway mark at day 13 of our 24 days of Linux command-line toys. If this is your first visit to the series, see the link to the previous article at the bottom of this one, and take a look back to learn what it's all about. In short, our command-line toys are anything that's a fun diversion at the terminal. Maybe some are familiar, and some aren't. Either way, we hope you have fun. read more

Yes, yes they could. And I would no longer bet they won't. Here's why.

Nvidia announced a lower-cost 4GB version of its Linux-driven Jetson TX2 module with half the RAM and eMMC and has begun shipping its next-gen Jetson AGX Xavier. Nvidia will soon have three variants of its hexa-core Arm Jetson TX2 module: the original Jetson TX2, the more embedded, industrial temperature Jetson TX2i , and now a […]

In the first part of our ongoing C programming tutorial series, we briefly touched on the preprocessing stage. In this tutorial, we will discuss it in a little more detail so that you have a basic idea about it before learning other C programming aspects.

Kubernetes is hotter than hot? Why? A big reason is because many companies think it's the way to the future of the cloud.