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Acutronic Robotics has launched an Arm-based “H-ROS” module that runs real-time Linux and ROS 2.0 and is designed for modular development of robotic components. It also demo’d a “MARA” robotic arm based on H-ROS. Two years ago, Zurich, Switzerland based Acutronic Robotics acquired Erle Robotics, the Basque, Spain based manufacturers of open source, Linux-driven robots […]

Environment variables play a major role in Linux. Most programs, whether command line based or GUI based, deal with environment variables in one way or the other. So naturally, there are tools that let you access environment variables from the command line. One such tool is printenv. In this tutorial, we will discuss printenv using some easy to understand examples.

The Linux desktop ecosystem offers multiple window managers (WMs). Some are developed as part of a desktop environment. Others are meant to be used as standalone application. This is the case of tiling WMs, which offer a more lightweight, customized environment. This article presents five such tiling WMs for you to try out. i3 i3 […]

In the first four articles in this series comparing Perl 5 to Perl 6, we looked into some of the issues you might encounter when migrating code, how garbage collection works, why containers replaced references, and using (subroutine) signatures in Perl 6 and how these things differ from Perl 5. read more

The KDE neon team is proud to announce the rebase of our packages onto Ubuntu 18.04 LTS "Bionic Beaver".  We encourage all users to upgrade now.  The installable ISOs and Docker images have also been updated to run on 18.04.

GNU was publicly announced on September 27, 1983, and today has a strong following. GNU is... an operating system an extensive collection of computer software free software licensed under the GNU Project's own General Public License (GPL) What else is GNU to you? Which tool is your favorite? Here are five great responses. read more

If you're wary of the Microsoft takeover of GitHub, or if you've been looking for a way to ween yourself off free public repositories, or if you want to ramp up your DevOps efforts, now's a good time to look at installing and running GitLab yourself. It's not as difficult as you might think, and the free, open-source GitLab CE version provides a lot of flexibility to start from scratch, migrate or graduate to more full-fledged versions.

At the Linux Security Summit, Microsoft’s Ryan Fairfax revealed the inner workings of Azure Sphere OS and its security model, including modifications to the Linux kernel that let it run in 4MB. It’s still a bit unsettling to see a Microsoft speaker at a Linux Foundation conference. Yet, at the recent Linux Security Summit, Ryan […]

News briefs for September 26, 2018.

Johan Hovold posted patches to add a GNSS subsystem (Global Navigation Satellite System), used by GPS devices. His idea was that commercial GPS devices might use any input/output ports and protocols—serial, USB and whatnot—forcing user code to perform difficult probes in order to determine which hardware it was dealing with. Johan's code would unify the user interface under a /dev/gnss0 file that would hide the various hardware differences.

Apache GUI is a free and open source Java-based tool that can be used to manage and configure Apache web server through the web browser. It is specially designed for those who are looking for a comfortable graphical interface (GUI) to configure Apache servers.

Video: Linux-savvy legal experts from the past and present weigh in on this knotty, open-source licensing matter.

Distributed tracing systems enable users to track a request through a software system that is distributed across multiple applications, services, and databases as well as intermediaries like proxies. This allows for a deeper understanding of what is happening within the software system. These systems produce graphical representations that show how much time the request took on each step and list each known step.

Our programming language is still number one, insists database goliath Oracle on Tuesday delivered Java 11, in keeping with the six-month release cadence adopted a year ago with Java 9. It is the first "Long Term Support" (LTS) release, intended for Java users who prioritize stability over Zuckerbergian fast movement and breakage.…

The Scikit-learn Python library, initially released in 2007, is commonly used in solving machine learning and data science problems—from the beginning to the end. The versatile library offers an uncluttered, consistent, and efficient API and thorough online documentation. read more

This tutorial shows how to install ISPConfig 3.1 by using the automated install script from Servisys on an Ubuntu 18.04 LTS server. ISPConfig is a free open source hosting control panel to manage Linux hosting servers in single and multi-server environments.

Swap space is a common aspect of computing today, regardless of operating system. Linux uses swap space to increase the amount of virtual memory available to a host. It can use one or more dedicated swap partitions or a swap file on a regular filesystem or logical volume. read more

Linux command line offers a lot of tools that help you know more about processes that are currently active in your system. One such utility is pmap, which reports the process memory map. In this tutorial, we will discuss the basics of pmap using some easy to understand examples.

The cutting-edge Linux distribution, Fedora, has a new beta release. While many people think of Fedora as first and foremost as a desktop, it comes in three different editions: Fedora Server, Fedora Workstation, and Fedora Atomic Host (a container platform).

Kontron’s Linux-friendly “COMe-cVR6” COM Express Type 6 module loads a Ryzen Embedded V1000 SoC with up to 24GB DDR4, including 8GB soldered. You also get quad-display support and optional -40 to 85°C and security features. Kontron has launched its first AMD Ryzen Embedded V1000 product with a COM Express Type 6 module that runs Linux […]