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Whenever it's required to take a look at the contents of a directory on the command line in Linux, ls is the command that's used. It lists the contents sorted in alphabetical order. While that's the tool's basic usage, it offers a plethora of features (in the form of command line options) that help you in several circumstances. In this tutorial, we will discuss the usage of some of these command line options through easy to understand examples.

CNC Design’s “Pulse Train Hat” is a Raspberry Pi add-on that generates variable frequency pulses for automation systems such as stepper/servo motors. CNC Design Limited has launched a Pulse Train Hat (PTHAT) add-on board for the Raspberry PI designed to “make motor control easy, fast and accurate.” The Raspberry Pi HAT compliant board lets customers […]

At Dockercon 17, Docker announced a pair of new projects to help developers and organizations build their own container-optimized Linux platforms.

In early 2015, I decided to leave my job, a job that I'd been at for just over two years. Nobody among my family and friends was surprised that I was pursuing another position. Making this move was a common thing to do, especially in the technology industry where we tend to change jobs frequently. read more

D3 Engineering’s “DesignCore RVP-TDA2x Development Kit for ADAS” taps TI’s TDA2x, Jacinto 6, or AM562x, and offers a 3GHz FPD-Link III video input. D3 Engineering’s DesignCore RVP-TDA2x Development Kit for ADAS is a Rugged Vision Platform (RVP) development kit designed for evaluating ADAS (Advanced Driver Assistance Systems) technology under realistic on-vehicle conditions. Applications include front […]

When I was six years old, I had a music box. I'd wind it up, and a ballerina revolved on top of the box while a mechanism inside plinked out "Twinkle, Twinkle, Little Star." The thing must have been godawful tacky, but I loved that music box, and I wanted to know how it worked. Somehow I got it open and was rewarded with the sight of a simple device—a metal cylinder the size of my thumb, studded so that as it rotated, it plucked the teeth of a steel comb and made the notes. read more

While Chromebook is not a typical gaming machine, there are still plenty of games you can play on it. Here are ten awesome games for Chromebook that you can play.

Python is one of the first options thrown at beginners who want to learn to code. And rightly so, it is easy to get started with and is powerful enough to begin real-world projects. Python is employed in all areas of development, from software to websites and so much more. Python allows developers to work quickly and integrate systems more effectively. To get started with Python, you need to choose an IDE. There are many python IDEs available but which one do you choose.

Mastodon is a FOSS (Free and Open Source Software) decentralized microblogging platform. It is a piece of software that has been written by Eugen Rochko to enable users to use the social network as an "alternative to commercial platforms."

The development team behind the Debian-based AV Linux distribution targeted towards audio and video enthusiasts announced the release of AV Linux 2017.4.9.

Kubernetes, the open-source system for managing Docker and Rkt containers across private, public, and hybrid cloud environments, grows every more popular. So, it's no surprise that Red Hat, with its intention to become a cloud power, is embracing OpenShift Container Platform 3.5. Red Hat wants you to manage your cloud containers with OpenShift Container Platform 3.5.

That time again, when members of the OpenStack community vote on the release name for the upcoming series of milestones. The current release is called Ocata, the next release is code named Pike and is set to debut August 28. The release after Pike, is named Quest andopenstack should be out early 2018.

Recently, I had an issue with a P2V VM (physical PC converted to virtual machine) where /home was running out of space and needed to be expanded. My /home in this case was a completely separate virtual disk (sdb) that was 10GB, and I needed to restore a multiple-GB Thunderbird email archive.

iWave’s rugged “iW-RainboW-G21M-Q7” COM debuts the octa-core Renesas RZ/G1H, and adds 2GB DDR3, 4GB eMMC, and support for GbE, SATA 3.1, USB 3.0, and PCIe. iWave’s Qseven 2.0 form-factor iW-RainboW-G21M-Q7 computer-on-module, also referred to as the “RZ/G1H SOM,” appears to be the first embedded board showcasing the recently announced, octa-core RZ/G1H SoC from Renesas.

The FFmpeg project proudly announced the release of a new series of their freely distributed collection of libraries and tools to process multimedia content, FFmpeg 3.3, which has been dubbed as "Hilbert."

In 2013, the US Patent and Trademark Office's reexamination unit rejected all claims of Apple's '915 patent. A patent appeal board upheld the cancelation, leaving Apple to turn to the Federal Circuit, which has ultimate jurisdiction. On Friday, a panel of Federal Circuit judges sided with the patent office on some of the claims, but revived three others.

Twistlock adds new Compliance Explorer and Runtime Radar features, helping organizations to better understand and control container deployments.

A primitive is a basic shape that has a unique polynomial equation within a CAD (Computer-Aided Design) software package used for geometric modeling of more complex shapes. Examples include an ellipse, a sphere, a torus, a square, and in our case a heart-shaped primitive with a sextic equation (a polynomial, which has six roots). read more

?i3wm is a window manager tiling tool for Linux and some BSD derivatives. It is designed with in mind for advanced users and alike, maybe for enthusiast too if you think you are tough and ready. i3wm is a great tool and a solution if you have a low resource system or maybe like me; want more space for the everyday task.

In our first three installments in this series, we learned what Kubernetes is, why it's a good choice for your datacenter, and how it was descended from the secret Google Borg project. Now we're going to learn what makes up a Kubernetes cluster. A Kubernetes cluster is made of a master node and a set of worker nodes. In a production environment these run in a distributed setup on multiple nodes. For testing purposes, all the components can run on the same node (physical or virtual) by using minikube.