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My childhood consisted of about 20% Dungeons & Dragons (D&D) and 80% Legos, with a pretty strong crossover of the two. I wasn't allowed to actually play D&D for a variety of reasons, but through some mental acrobatics worthy of a level 15 rogue, I determined that building AD&D characters didn't count as playing, and recreating Dragonlance in Lego form was a pretty good approximation of the game. read more

2DayGeek: Basic 25 Linux Interview Questions and Answers.

Grub Customizer is a great GUI tool for changing the default configurations of the grub bootloader. With this tool you can add, remove and rearrange boot menu entries via the GUI. It also allows you to edit kernel parameters to change the time delay at boot time.

ElkArte is a free, open-source and powerful community forum building software based on Simple Machines Forum. In this tutorial, we will show you how to install ElkArte with Let's Encrypt SSL on Ubuntu 20.04.

This guide explains how to configure X11 forwarding using SSH in Linux. X11 forwarding is useful to securely run graphical applications over SSH.

It's worth the effort to run a real-time kernel and evaluate its potential and performance benefits for applications.

Jordan Petridis of the GNOME Release Team announced the general availability of GNOME 3.36.3 as the third point release to the latest GNOME 3.36 desktop environment series.

With the coronavirus pandemic making working from home more popular than ever, business-class Chromebooks are coming to the forefront.

Composer is a dependency manager for PHP (similar to npm for Node.js or pip for Python). With Composer, you can specify the PHP libraries your project depends on, and it will pull and manage all libraries and dependencies for you. Composer is used in all modern PHP frameworks and platforms such as Laravel, Symfony, Drupal, and Magento. This tutorial explains how to install and use Composer on Ubuntu 20.04.

Applications are increasingly privileged and we find ourselves running programs that could represent a security vulnerability to our systems and, more importantly, to our information. In this post, we will use a very simple sandboxing method using Firejail and AppArmor on Linux.

Stealth tactics game Desperados III has been confirmed to be launching for Linux later this Summer.

The 96Boards-compatible “Qualcomm Robotics RB5 Platform” runs Linux and ROS 2 on a Qualcomm QRB5165 based on the 15-TOPS Snapdragon 865 with optional 5G and cameras including RealSense and ToF. Qualcomm and Thundercomm have followed up on last year’s Qualcomm Robotics RB3 Platform with a similarly 96Boards form-factor Qualcomm Robotics RB5 Platform that supports 5G […]

If you'd prefer to manage all your tasks directly from the terminal, Taskbook allows you to do that using simple commands.

Python is a wonderful general-purpose programming language, often taught as a first programming language. Twenty years in, multiple books written, and it remains my language of choice. While the language is often said to be straight-forward, configuring Python for development has not been described as such (as documented by xkcd). read more

Need to know which packages to install? Learn how to search for packages in the Terminal for both Ubuntu and Debian-based systems with apt and apt-get.

Icinga 2 is a free and open source monitoring tool that can be used to monitor multiple servers or whole data centers from a single monitor system. In this tutorial, I show you how to install and configure the Icinga 2 monitoring tool using an Ubuntu 20.04 LTS server.

Linux, in a way, is a series of static and dynamic libraries that depend on each other. For new users of Linux-based systems, the whole handling of libraries can be a mystery. But with experience, the massive amount of shared code built into the operating system can be an advantage when writing new applications. read more

A new version of Raspberry Pi-based Little Backup Box is here, featuring improvements and new functionality.

For this week’s Raspberry Pi 4 blog, Luke puts a desktop search tool under the microscope.

NetworkManager is the network configuration daemon used on Fedora and many other distributions. It provides a consistent way to configure network interfaces and other network-related aspects on a Linux machine. Among many other features, it provides a Internet connection sharing functionality that can be very useful in different situations. For example, suppose you are in […]