The objective of this article is to install, enable and disable SELinux on Ubuntu 20.04 Focal Fossa Linux.

WARNING
Make sure that you know what you are doing! Ubuntu offers AppArmor as an alternative to SELinux. While SELinux is available on Ubuntu, it is rather in an experimental stage and most likely will beak your system if set to enforcing mode. In case you must use SELinux, make sure to disable AppArmor first. Also set SELinux first to permissive mode and check your logs for potential issues before you enable enforcing mode.


In this tutorial you will learn:
  • How to install SELinux
  • How to enable SELinux
  • How to disable SELinux

GNOME extensions are small plugins created by the community to add extra features to and extend the functionality of the GNOME desktop environment. There are over 1,000 available for free download on GNOME's extension page.

In this article, we will count down our top picks for the 10 best GNOME extensions available for Ubuntu 20.04 Focal Fossa. We have a separate guide for How to install Gnome Shell Extensions on Ubuntu 20.04 Focal Fossa Linux Desktop if you need to learn how to install GNOME extensions.

In this tutorial you will learn:
  • 10 of the most useful GNOME shell extensions available

WordPress has remained one of the best and easiest ways to get a sleek site up and running ever since its inception in 2003. As a matter of fact, current trends only show its popularity continuing to increase. WordPress is simple to use, and even hosting it yourself isn't that hard, as we'll prove to you in this article.

In this guide, we'll show you how to get your site hosted with WordPress on Ubuntu 20.04 Focal Fossa. We'll use Apache as our HTTP server, and also install PHP and MySQL since WordPress requires them in order to function. Once those packages are installed, we'll go over the configuration of Apache and MySQL, including initial setup of a database and user, before installing WordPress itself. Towards the end, we'll also show you how to configure optional SSL, in case you'd like your site to use HTTPS.

If you're more familiar with or happen to prefer Nginx over Apache, we've written a separate guide for Ubuntu 20.04 WordPress installation on Nginx.

In this tutorial you will learn:
  • How to install and configure Apache
  • How to install and configure MariaDB for MySQL
  • How to setup a MySQL user and database for WordPress
  • How to download and install WordPress
  • How to configure SSL for your WordPress site

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

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

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