The default Ubuntu 20.04 installation uses GDM as a default display manager. Since GDM does not support Guest session in this article you will learn how to switch to and alternative display manager LightDM and enable guest session.

WARNING
Any data created and settings configured using Guest session are temporary and will be deleted at the end of the session ( log out ).


In this tutorial you will learn:
  • How to install LightDM display manager
  • How to switch from GDM to LightDM
  • How to enable Guest session
  • How to login to Guest session

Jenkins is an automation server that is used to automate software development including: building, testing, and deploying as well as facilitating continuous integration and continuous delivery. The objective of this guide is to install Jenkins on Ubuntu 20.04 Focal Fossa Linux Server/Desktop.

In this tutorial you will learn:
  • How to add Jenkins's signing key and repository
  • How to install Jenkins
  • How to retrieve the initial Jenkins password
  • How to login to Jenkins

In the following article you will learn how to disable GUI on boot in Ubuntu 20.04 Focal Fossa Linux Desktop.

In this tutorial you will learn:
  • How to disable GUI on boot
  • How to enable GUI on boot
  • How to how to start GUI from command line

The objective of this article is to disable the middle mouse button click paste on Ubuntu 20.04 Focal Fossa Linux GNOME desktop.

In this tutorial you will learn:
  • How to disable middle mouse button click paste

The objective of this article is to disable dynamic motd and news on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to motd login news
  • How to motd dynamic messages
  • How to silence motd dynamic messages system-wide
  • How to silence motd dynamic messages on per user basis

Wireguard is a modern and very easy to setup VPN available on multiple operating system. The application is available in the Ubuntu 20.04 official repositories, so it is also very easy to install. Unlike other software like OpenVPN which is based on the use of ssl certificates, Wireguard is based on the use of key-pairs. In this tutorial we will see how to configure, in few easy steps, a VPN server and a client peer on the latest stable version of Ubuntu.

In this tutorial you will learn:
  • How to install Wireguard on Ubuntu 20.04 Focal Fossa
  • How to create public and private key pair
  • How to configure the server and a client peer
  • How to redirect all incoming traffic to the VPN
Wireguard VPN on Ubuntu 20.04
Wireguard VPN on Ubuntu 20.04

The objective of this guide is to install Skype, the video chat and voice calls application on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to install Skype using snap
  • How to download and install Skype using the official Skype Debian package
  • How to start Skype

The objective of this article is to install Microsoft PowerShell on Ubuntu 20.04 Focal Fossa Linux. PowerShell is a task automation and configuration management framework, which includes the PowerShell scripting language.

In this tutorial you will learn:
  • How to PowerShell
  • How to start PowerShell

The following tutorial will provide you with simple to follow steps on how to resolve the Temporary failure resolving error on Ubuntu 20.04 Focal Fossa Linux

In this tutorial you will learn:
  • How to check current DNS server
  • How to how to internet connection
  • How to query DNS name

The objective is to install VMware Workstation PRO on Ubuntu 20.04 Focal Fossa Linux. Then, you can set up virtual machines with VMware Workstation Pro on a single physical machine and use them simultaneously with the actual machine.

In this tutorial you will learn:
  • How to install VMware Workstation prerequisites
  • How to download VMware Workstation
  • How to install VMware Workstation
  • How to start VMware Workstation

In this article you will find out how to allow the root user to login to GUI gnome Desktop on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to set root password
  • How to configure GDM to allow root gui login
  • How to configure PAM to allow root gui login

The objective of this article is show how to switch the GNOME theme from light to dark on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to switch GNOME theme to dark

The objective of this guide is to install the Lubuntu desktop as an alternative desktop environment on Ubuntu 20.04 Focal Fossa Desktop/Server Linux.

DID YOU KNOW that you can download Ubuntu 20.04 dedicated desktop flavours? This way Ubuntu provides users with an alternative desktop experience distinct to the default GNOME Ubuntu Desktop.
In this tutorial you will learn:
  • How to install tasksel
  • How to install Lubuntu desktop
  • How to switch to SDDM display manager
  • How to login to Lubuntu desktop

TeamViewer is a collaboration platform used, in particular, for remote control, desktop sharing or online meetings. The objective of this guide is to install TeamViewer on Ubuntu 20.04 Focal Fossa Linux desktop.

In this tutorial you will learn:
  • How to install TeamViewer
  • How to launch TeamViewer

Apache Tomcat is an HTTP server that can run Java technologies, namely Java Servlet, JavaServer Pages (JSP), and Java Expression Language. In this guide, we'll show you how to install Apache Tomcat on Ubuntu 20.04 Focal Fossa. We'll also cover the steps to set up a user for accessing the application manager, which is a panel inside Tomcat that can configure virtual hosts and other applications.

In this tutorial you will learn:
  • How to install and configure Apache Tomcat
  • Open firewall ports for Tomcat and test
  • How to configure credentials for Tomcat admin
  • How to access Tomcat Web Application Manager

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