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I'm not afraid to admit it. When I first started getting flooded with these advertisements, it hacked me off. It was an advertisement for a "revolutionary new product" that will change the way you use your computer. Anyone wanna take a guess as to what this "revolutionary new product might be"?

For this article, I want to introduce a piece of software I've actually used recently in my own work. My new day job involves studying the ionosphere using an instrument called an ionosonde... Several methods exist for modeling the electromagnetic fields around conductors, but here I'm covering one called NEC2 (Numerical Electromagnetics Code).

After its regular 6-month development cycle, GNOME 3.32 will be released today. If you want to find out what new features and improvements are included with this release, read on.

Most managers and agile coaches depend on metrics over feedback from their teams, users, and even customers. In fact, quite a few use feedback and metrics synonymously, where they present feedback from teams or customers as a bunch of numbers or a graphical representation of those numbers. This is not only unfortunate, but it can be misleading as it presents only part of the story and not the entire truth. read more

PDF or Portable Document Format is mostly our first choice when it comes to printing, sharing and emailing documents, especially the large ones. In this article, we will explain how to create a PDF file, convert a document to PDF and how to edit PDF files on Ubuntu.

scrcpy is a free and open source application to display and control Android devices connected via USB (or wirelessly, but with lower performance) from a Linux, Windows or macOS desktop.

Learn how to install an RPM file on Ubuntu

Today is Pi Day, a day in which we celebrate the date ticking up to the 3.14 approximation of ? (at least for those of us who use American-style dates). We also take today to celebrate a tiny device, not much bigger than a credit card, that shares its name with this useful, irrational number. We're talking about, of course, the Raspberry Pi. read more

SCP and SFTP are two secure alternatives for http://FTP. FTP sends data in plain-text, while the other two use the Secure Shell (SSH) protocol for communication. Find out which one you should use for transferring files securely.

Pagekit is modern, intuitive, modular, and flexible open source (MIT license) CMS built with Symfony components and Vue.js. It gives you the tools to create beautiful websites. It has a rich theme and plugin ecosystem.

A few folks from our writer community weighed in to share their favorite Raspberry Pi projects to help us celebrate Raspberry Pi Day this year. Steve Reaver's projects are built by him at home. First up, a PlayStation One case for your Raspberry Pi. read more

News briefs for March 14, 2019.

Opera Software announced today the general availability of the first beta release of their upcoming Opera 60 (a.k.a. Reborn 3) web browser for all supported platforms, including Windows, Linux, and macOS.

You may want to know who logged on your system and from where. You should also see bad login attempts on your system. Learn how to see login history in Linux.

Happy Pi Day! Every year on March 14th, we geeks celebrate Pi Day. In the way we abbreviate dates—MMDD—March 14 is written 03/14, which numerically reminds us of 3.14, or the first three numbers of pi. What many Americans don't realize is that virtually no other country in the world uses this date format, so Pi Day pretty much only works in the US, though it is celebrated globally. read more

In this tutorial, we will show you step-by-step how to create a single-node Kubernetes cluster locally using Kinikube on Manjaro/ArchLinux. This guide will implement the Kubernetes cluster locally with the KVM2 driver, and cover an example of Nginx service deployment.

One of the GZDoom developers, dpJudas, has been working diligently on the Vulkan renderer for GZDoom, the open source FPS game engine.

Libravatar is a free and open source service that anyone can use to host and share an avatar (profile picture) to other websites. As defined in the project’s blog, The Libravatar project is part of a movement working to give control back to people, away from centralized services and the organizations running them. It addresses […]

In this article, we will explain the iptables commands that you can use in order to add a rule that tells the iptables firewall to block ping in and out of a server by controlling the ICMP requests.

Up until now, in this C programming tutorial series, we have discussed about basic things like functions, arrays, variables, and more. Continuing with the flow, in this tutorial, we will discuss another such basic concept: operators.