NodeJS is a server-side implementation of javascript. It is event-driven and asynchronous so it is often used as a partial replacement for PHP.

How to Open Ports in Ubuntu (Guide)
In Ubuntu, there is an application called UFW (Uncomplicated Firewall) that makes it much easier to manage IPTables in Ubuntu. As such, IPTables is the firewall of Linux systems, but it is somewhat difficult to work with. But, UWF is very easy to use.

Arch Linux Install for Beginners (Guide)
Learn the basic process for installing Arch Linux.

How to Create Swap Space in Arch Linux (Guide)
This article will show you how to create and configure swap space in Arch Linux.

How to Install KDE Plasma in Arch Linux (Guide)
This article will show you how to install KDE Plasma on Arch Linux.

How to Enable Networking in Arch Linux (Guide)
Learn to manually enable networking in Arch Linux.

Linux User Management (Tips & Tricks)
This guide will help you learn the basics of user management.

How to Install Software in Ubuntu (Guide)
Learn to install sofware with the Ubuntu package manager, apt.

How to Install Apache on Linux (Guide)
Learn to set up an Apache server with PHP.

Test Linux Internet Connection with Speedtest-Cli (Tips & Tricks)
Learn to use speedtest-cli, a network connection speed testing tool for Linux and others.