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System tray icons can actually be quite a lot more useful; By simply building one yourself for your own needs. In this tutorial, we’ll explain how to do that for you in very simple steps.

All data validations are special cases. You can always identify data "of the wrong sort" that you want to exclude from data processing, but how do you define "right" and "wrong"? It depends! This post explains two "special" validations.

Here's how to explain this trend – and what it means to development – to anyone

Here in 2019, we've even got a whole heaping helping of SBCs from which to choose: Arduino, BeagleBoard, Gumstix, ODROID, Pine64, Raspberry Pi—the list goes on and on. We are spoiled for choices.

Arrow announced a pair of 96Boards CE Extended SBCs that run Yocto with Linux 4.14: an AI-ML Board with a quad -A35 i.MX8X and a Thor96 SBC with a quad -A53 i.MX8M and support for multi-channel audio, ZigBee, and Thread. Like the DragonBoard 820c, the new AI-ML Board and Thor96 SBCs are collaborations between Arrow […]

WildFly formerly known as JBoss is a cross-platform open source application runtime written in Java that helps you build amazing applications. WildFly is flexible, lightweight, and it is based on pluggable subsystems that can be added or removed as needed.

Since 2010, the OpenStack community has been building open source software to run cloud computing infrastructure. Initially, the focus was public and private clouds, but open infrastructure has been pulled into many new important use cases like telecoms, 5G, and manufacturing IoT. read more

If you want to try the most popular Gnome themes easily, or if you tend to change your Gtk theme frequently, then "Install GNOME Themes" is for you.

This is a script that installs more than 40 popular Gnome themes (and that's not counting light/dark or compact variants), by downloading their latest code from Git. The themes are automatically built from source when needed, and are installed in the user's ~/.themes folder.

Each release, the Fedora Design team works with the community on a set of 16 additional wallpapers. Users can install and use these to supplement the standard wallpaper. The Fedora Design team encourages submissions from the whole community. Contributors then use the Nuancier app to vote on the top 16 to include. Voting has closed on the extra wallpapers for Fedora 30. Voters […]

The LEMP stack is a web development platform for hosting static and dynamic websites.

In this article, we will explain how to recover your accidentally lost files on Ubuntu through the TestDisk utility. We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system.

Bash case statements are generally used to simplify complex conditionals when you have multiple different choices. Using the case statement instead of nested if statements will help you make your bash scripts more readable and easier to maintain.

DL EP110, we discuss Ubuntu, kalilinux, RiotChat, Matrixdotorg, DigiKamSN, VulkanAPI. Google on adblocking. AMD hire 10 more developers, Nvidia GTX1660 Ti and more Tips, tricks n Software picks!

There are a number of reasons why a composer or musician or band might want to release their music in some free form, say under an Attribution-ShareAlike license like CC BY-SA 4.0. (Wikipedia's Creative Commons license article gives a nice rundown on this important kind of licensing that permits free distribution of musical and other works.) read more

Here we present the basic but very important Ubuntu commands to give you an in-depth knowledge of how to use your Linux terminal.

It is easy to schedule tasks on Linux, particularly with the "at" command. Pretty much any action you can think of can be scheduled with the "at" command.

This is the first article in a 14-day series on getting started with the Raspberry Pi. Although the series is geared towards people who have never used a Raspberry Pi or Linux or programming, there will definitely be things for more experienced readers—and I encourage those readers to leave comments and tips that build on what I write. If everyone contributes, we can make this series even more useful for beginners, other experienced readers, and even me! read more

News briefs for March 1, 2019.

This is the second part of the Foreman tutorial. In the first guide, we've already shown you the installation and configuration of Foreman on Ubuntu Server 18.04 LTS and now I will show you how to add Puppet Agents to Foremen.

Yarock is designed to provide an easy and pretty music browser based on cover art. Yarock is easy to build with a minimal set of dependencies, and offers the choice of different audio backends (Phonon, vlc, and mpv).