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This is the eighth in a series of articles about migrating code from Perl 5 to Perl 6. This article looks at the differences in creating and handling exceptions between Perl 5 and Perl 6. The first part of this article describes working with exceptions in Perl 6, and the second part explains how you can create your own exceptions and how failure is an option in Perl 6. read more

Sometimes, while working on the Linux command line, you may want to reverse a string or line(s) of text. You'll be glad to know there are command line utilities that let you do exactly this.

Jenkins X is an open source system that offers software developers continuous integration, automated testing, and continuous delivery, known as CI/CD, in Kubernetes. Jenkins X-managed projects get a complete CI/CD process with a Jenkins pipeline that builds and packages project code for deployment to Kubernetes and access to pipelines for promoting projects to staging and production environments. read more

Kontron announced an industrial-focused “Passepartout” development kit built around a Raspberry Pi Compute Module 3 Light and equipped with a dual Ethernet, HDMI, CAN, 1-Wire, RPi 40-pin connectors. Kontron announced its first Raspberry Pi based product. The Passepartout — which is French for “goes everywhere” and the name of Phileas Fogg’s valet in Jules Verne’s […]

I've never held a job as a developer nor in operations—so what am I doing writing an article about DevOps? I've always been interested in computers and technology. I also have a passion for people, psychology, and helping others. When I first heard about DevOps, the concept piqued my interest, as it seemed to merge many of the things I was interested in, even if I don't write code. read more

Do you want the best of the best Linux laptop this holiday season and price is no object? If that's you, then you want the Ubuntu Linux-powered Dell's XPS 13 Developer Edition laptop.

In past articles, I've written about how to prepare for a vacation or other travel when you're on call. And, I just got back from a vacation where I put some of those ideas into practice, so I thought I'd write a follow-up and give some specifics on what I recommended, what I actually did and how it all worked.

U.S. consumers are expected to drop a bundle this Black Friday on smart speakers and home hubs. A Nov. 15 Canalys report estimates that shipments of voice-assisted speakers grew 137 percent in Q3 2018 year-to-year and are on the way to 75 million-unit sales in 2018.

Elxis CMS is a free and open source CMS written in the PHP language that allows us to create a website from small to websites to corporate websites. It is simple, fast and easy to use so you can easily install it without any programming skills.

At the Embedded Linux Conference Europe, Leon Anavi compared the Alexa and Google Assistant voice platforms and looked into open source newcomer Mycroft Mark II. U.S. consumers are expected to drop a bundle this Black Friday on smart speakers and home hubs. A Nov. 15 Canalys report estimates that shipments of voice-assisted speakers grew 137 […]

For many people who've been computer users for (let's just say) "quite some time now," the Ctrl and Caps Lock keys have been in the wrong place since shortly after the first PC keyboards rolled off the production line.

Every day, I use high-quality software that is developed and maintained by people who do not ask for payment, who respect my freedoms, and who are generous with their time and energy. In this season of giving thanks, I encourage those of you who also use and appreciate the work of open source and free software maintainers to express your gratitude. Here are ten ways to do that: read more

Hardkernel launched its Odroid-H2 SBC starting at $111 without RAM or flash. The open spec SBC runs Ubuntu 18.10 on Intel Gemini Lake, and offers 2x SATA 3.0, 2x GbE, HDMI and DP, 4x USB, and an M.2 slot for NVMe. Last month when Hardkernel announced its Intel Gemini Lake based Odroid-H2 SBC with an […]

GNOME is the default desktop environment shipped with Fedora Workstation. GNOME Shell provides an awesome, minimal, default experience that is easy to pick up and use. However, GNOME Shell Extensions make it easy to add to and change the behavior of GNOME. The extensions.gnome.org website is the canonical source for quality GNOME extensions, and previously, […]

Simple compound commands—such as stringing several commands together in a sequence on the command line—are used often. Such commands are separated by semicolons, which define the end of a command. To create a simple series of shell commands on a single line, simply separate each command using a semicolon, like this: read more

The bash man page is close to 40K words. It's not quite War and Peace, but it could hold its own in a rack of cheap novels. Given the size of bash's documentation, missing a useful feature is easy to do when looking through the man page. For that reason, as well as to look for new features, revisiting the man page occasionally can be a useful thing to do.

The 2018 Open Source Yearbook launches soon. Do you have an idea for an article? Send me your idea. Also the past week's main stories are listed here.

phpMyAdmin is a free and open source administration tool for MySQL and MariaDB. phpMyAdmin is a web-based tool that allows you to easily manage MySQL or MariaDB databases. In this tutorial, we will be going to explain how to install and secure phpMyAdmin on Ubuntu 18.04 server.

A number of home automation platforms support Python as an extension, but if you’re a real Python fiend, you’ll probably want Home Assistant, which places the programming language front and center.

While working on the Linux command line, there may be times when you'd encounter a file which is an archive (say a .zip file), but its extension (or lack of it) would suggest otherwise. It's in times like these, the file command proves helpful as it lets you determine the actual file type.