This short tutorial will explain how to open SSH port 22 on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to open ssh port 22
  • How to remove ssh port firewall rule
  • How to check current UFW rules for allowed/denied ports

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

In this tutorial you will learn:
  • How to install tasksel
  • How to install MATE desktop
  • How to switch to lightdm display manager
  • How to login to MATE desktop

FFmpeg is a library of tools used for processing video and audio files. You can do a lot of things with it, such as encode videos or transcode audio to different formats, to name a few. In this guide, we'll show you how to install it on Ubuntu 20.04 Focal Fossa. There are two options for doing so, either from Ubuntu's software repository or compiling the latest version directly from source. We'll show you both methods below.

In this tutorial you will learn:
  • How to install FFmpeg from Ubuntu software repository
  • How to install latest FFmpeg compiled from source

The objective of this guide is to install LXQt desktop as an alternative desktop environment for Ubuntu 20.04 Focal Fossa Desktop/Server Linux. One of the features of LXQt is that it has comparatively low resource requirements.

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 LXQt desktop
  • How to switch to SDDM display manager
  • How to login to LXQt desktop

This article explains how to open HTTP port 80 and HTTPS port 443 on Ubuntu 20.04 Focal Fossa with the ufw firewall. HTTP and HTTPS protocols are primarily used by web services such as, but not limited to, Apache or Nginx web servers.

In this tutorial you will learn:
  • How to open HTTP port 80 and HTTPS port 443
  • How to open HTTP port 80 and HTTPS port 443 for Apache and Nginx
  • How to list currently open ports/services
  • How to close/remove HTTP port 80 and HTTPS port 443

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

In this tutorial you will learn:
  • How to install tasksel
  • How to install Budgie desktop
  • How to switch to lightdm display manager
  • How to login to Budgie desktop

The VirtualBox Guest Additions consist of device drivers that allow for better screen resolution and mouse integration. They will optimize your operating system with respect to its performance and usability. In this tutorial we will be installing the Virtualbox Guest Additions on Ubuntu 20.04 LTS Focal Fossa Linux.

In this tutorial you will learn:
  • How to install Virtualbox guest additions.
  • How to check Virtualbox guest additions installation.

The Python 2 version is no longer a default Python version since Ubuntu 18.04. With a release of Ubuntu 20.04 the Python 2 on a default system installation has been also completely dropped hence you might encounter the following error when executing the python command:
Command 'python' not found
No despair, the Python 2 is not installed by default but it is still available for installation.

In this tutorial you will learn:
  • How to install Python 2
  • How to switch Python 2 as a default python interpreter

Gnome Shell Extensions are plugins written by the community to extend and modify the behavior of the GNOME desktop environment. Anyone with a good idea and some coding chops can contribute to the catalog of extensions available for download.

You can browse for and download these extensions much the same way you would install extensions for Firefox or Chrome. In this guide, we're going to show you how to install Gnome Shell Extensions from a ZIP file using the command line on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to download the appropiate version of a Gnome Shell Extension
  • How to install a Gnome Shell Extension from ZIP file via command line

In this guide, we'll be showing you how to setup time synchronization on Ubuntu 20.04 Focal Fossa. Time synchronization is an important part of keeping your system clock up to date and configuring timezones correctly.

In this tutorial you will learn:
  • How to ascertain date and time information
  • How to turn time synchronization on and off
  • How to test time synchronization
  • How to use GUI to edit time information

This article provides you with a detailed description of installing Ubuntu 20.04 Focal Fossa from USB after such bootable USB (also referred to as live USB) had been created.

In this tutorial you will learn:
  • How to download Ubuntu 20.04
  • How to create Bootable USB or DVD
  • How to access Boot Menu and BIOS/UEFI
  • How to boot Ubuntu 20.04 from USB
  • How to try Ubuntu 20.04 before installing
  • How to install Ubuntu 20.04 from USB

The objective of this guide is to prepare the Ubuntu 20.04 Focal Fossa system for watching Netflix streaming service.

In this tutorial you will learn:

The objective of this tutorial is to install Google Earth on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to install Google Earth
  • How to start Google Earth

In this tutorial you will learn how to permanently and without a reboot change a hostname on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to change a hostname on Ubuntu Linux

Viber is a well known cross-platform voice over IP and instant messaging application. In this tutorial we will show you how to install Viber on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to Viber using snap
  • How to install Viber from official package
  • How to start Viber

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