In this tutorial we will be installing the ZOOM teleconferencing client on Ubuntu 20.04 Focal Fossa Desktop.
WHAT IS ZOOM?
ZOOM is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, collaboration, chat, and webinars across mobile devices, desktops, telephones, and room systems. Zoom Rooms is the original software-based conference room solution used around the world in board, conference, huddle, and training rooms, as well as executive offices and classrooms. Reference: https://zoom.us/about
In this tutorial you will learn:

The Ubuntu upgrade process on Rapsberry Pi is not different to the upgrade process on a regular Ubuntu desktop or server. This article will provide you with steps outlining how to proceed with and upgrade from Ubuntu 18.04 to Ubuntu 20.04 on Rapsberry Pi. For more detailed information please visit our guide on How To Upgrade Ubuntu To 20.04 LTS Focal Fossa.

In this tutorial you will learn:
  • How to update and upgrade your current Ubuntu system
  • How to upgrade from Ubuntu 18.04 to Ubuntu 20.04

In this tutorial we will be installing the IntelliJ IDEA on Ubuntu 20.04 Focal Fossa Desktop.
WHAT IS INTELLIJ IDEA?
IntelliJ IDEA is an integrated development environment written in Java for developing computer software. It is developed by JetBrains, and is available as an Apache 2 Licensed community edition, and in a proprietary commercial edition. Both can be used for commercial development.. Reference: https://en.wikipedia.org/wiki/IntelliJ_IDEA
In this tutorial you will learn:

There are a few tools at your disposal for checking disk space on Ubuntu 20.04 Focal Fossa. These tools and commands can be used to check a hard drive's capacity and the size of the files on it, or just to check the size of a particular directory or file.

We'll show you how to get a visual representation of how the hard drive space is being used on your system, as well as a few commands that you can enter into the terminal to quickly find the stats you need.

In this tutorial you will learn:
  • How to check hard drive storage with Disk Usage Analyzer
  • How to check hard drive storage with Disks utility
  • How to check hard drive storage with df command
  • How to check hard drive storage with du command

In this tutorial you will learn how to deploy an SSH server on Ubuntu 20.04 Server/Desktop.
WHAT IS SSH SERVER?
OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking, and other attacks. In addition, OpenSSH provides a large suite of secure tunneling capabilities, several authentication methods, and sophisticated configuration options. Reference: https://www.openssh.com/
In this tutorial you will learn:
  • How to install SSH Server
  • How to change SSH server's status
  • How to open firewall rules to allow SSH incoming traffic
  • How to connect to SSH Server remotely using the ssh command
  • How to change default SSH listening port

Tor is free software that allows a user to have complete anonymity online. It can be used to avoid having websites and applications track your location or attempt to identify you. It does this by routing your network data through a pool of servers around the world, while also stripping identifying information from packet headers.

It's often used to avoid region blocks on the likes of Netflix or YouTube. Some users like it because it prevents ad tracking companies from building a profile on you based on your browsing habits and serving personalized ads. Still, others are just a little paranoid and appreciate the assurance that no one can spy on their internet activity.

You can use Tor on Ubuntu 20.04 Focal Fossa by installing the Tor client. We'll show you how to set it up in this guide, which includes browser configuration and enabling all of your shell commands to run through Tor's network.

In this tutorial you will learn:
  • How to install Tor on Ubuntu 20.04
  • Test your network connection through Tor
  • How to Torify your shell temporarily or persistently
  • Enable and utilize the Tor control port
  • Configure web browser to use Tor network

Kubernetes is leading software in container orchestration. Kubernetes works by managing clusters, which is simply a set of hosts meant for running containerized applications. In order to have a Kubernetes cluster, you need a minimum of two nodes - a master node and a worker node. Of course, you can expand the cluster by adding as many worker nodes as you need.

In this guide, we're going to deploy a Kubernetes cluster consisting of two nodes, both of which are running Ubuntu 20.04 Focal Fossa. Having two nodes in our cluster is the most basic configuration possible, but you'll be able to scale that configuration and add more nodes if you wish.

In this tutorial you will learn:
  • How to install Docker
  • How to install Kubernetes
  • How to configure a master and worker node
  • How to join a worker node to a Kubernetes cluster
  • How to deploy Nginx (or any containerized app) in a Kubernetes cluster

PlayOnLinux is a graphical front end interface for Wine. And if you don't know already, Wine is popular software that allows many Windows applications to run on a Linux system. The problem with Wine is that you sometimes have to do quite a bit of configuration to get a particular application to run; we even have quite a few guides about it on this site.

PlayOnLinux basically hides the complexity of Wine to the user, giving you a graphical interface to work with and automating the installation of many popular applications. Contrast this with just using Wine itself, where you'd inevitably be working with the command line more and have to fiddle around with configuration settings to get stuff working right.

In this guide, we'll show you how to install PlayOnLinux on Ubuntu 20.04 Focal Fossa, as well as go through a rundown of how to install some games and software that you'd ordinarily only find available on Windows.

In this tutorial you will learn:
  • How to install PlayOnLinux with command line or GUI
  • How to install an app or game within PlayOnLinux

In this tutorial you will learn how to connect to WiFi from command line using Netplan. This could be useful if you are running a headless Ubuntu 20.04 system such as server or Ubuntu 20.04 on Raspberry Pi.

In this tutorial you will learn:
  • How to identify the name of your wireless network interface
  • How to configure Netplan to connect to wireless network (SSID)

In this tutorial we will be installing the Stacer system monitoring tool on Ubuntu 20.04 Focal Fossa Desktop.
WHAT IS STACER?
Stacer is an open source system optimizer and application monitor that helps users to manage entire system with different aspects, it is an all in one system utility.
Reference: https://oguzhaninan.github.io/Stacer-Web/
In this tutorial you will learn:

In this tutorial we will be installing Blender on Ubuntu 20.04 Focal Fossa Desktop.
WHAT IS BLENDER?
Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation. Advanced users employ Blender’s API for Python scripting to customize the application and write specialized tools; often these are included in Blender’s future releases. Reference: https://www.blender.org/about/
In this tutorial you will learn:

In this article you will learn how to add an application menu in the top bar on Ubuntu 20.04 GNOME Desktop.

In this tutorial you will learn:
  • How to add Application Menu

Lutris is a game manager built for Linux operating systems, and it does its job incredibly well. It has thousands of games in its catalog and works with very little fuss, allowing you to install games from the cloud and keep them up to date. Most games are "one click install" titles, meaning that you shouldn't have to worry about fiddling with extra configuration to get a Windows game working on Linux. It just works.

Lutris requires Wine in order to ensure a smooth experience. The two work really well together, and that's because the developers of Lutris also work directly with Wine staging. Since the Lutris developers already program their installers to use the most optimal settings possible, there's no need to fool around with Winetricks or any of the usual Wine configuration utilities.

If you're ready to start gaming on Ubuntu 20.04 Focal Fossa, follow along as we setup Lutris and its dependencies on our system.

In this tutorial you will learn:
  • How to install Wine and dependencies
  • How to install Lutris
  • How to install a game on Lutris

In this tutorial you will learn how to install R on Ubuntu 20.04 Focal Fossa Server/Desktop.

In this tutorial you will learn:
  • How to install R
  • How to install latest R version
  • How to add official R-Project repository
  • How to install R library

Ubuntu 20.04 Focal Fossa is the last long term support of one of the most used Linux distributions. In this tutorial we will see how to use this operating system to create an OpenVPN server and how to create an .ovpn file we will use to connect to it from our client machine.

In this tutorial you will learn:
  • How to generate a Certificate Authority
  • How to generate server andl client certificate and key
  • How to sign a certificate with the Certificate Authority
  • How to create Diffie-Hellman parameters
  • How to generate a tls-auth key
  • How to configure the OpenVPN server
  • How to generate an .ovpn file to connect to the VPN
How to setup a OpenVPN server on Ubuntu 20.04
How to setup a OpenVPN server on Ubuntu 20.04

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