How to install Gnome Shell Extensions on Ubuntu 20.04 Focal Fossa Linux Desktop

The objective is to install Gnome Shell Extensions on Ubuntu 20.04 Focal Fossa Linux Desktop.

In this tutorial you will learn:

Gnome Shell Extensions on Ubuntu 20.04 Focal Fossa Linux Desktop

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions
Category	Requirements, Conventions or Software Version Used
System	Installed or upgraded Ubuntu 20.04 Focal Fossa
Software	GNOME Shell 3.34.1 or higher
Other	Privileged access to your Linux system as root or via the `sudo` command.
Conventions	# – requires given linux commands to be executed with root privileges either directly as a root user or by use of `sudo` command $ – requires given linux commands to be executed as a regular non-privileged user

First we will be installing extra in-house Ubuntu extensions for Ubuntu 20.04 desktop. To do so execute the following command from your terminal:
```
$ sudo apt install gnome-shell-extensions
```
Re-login from your Ubuntu desktop.

Open up GNOME tweaks and enable any desired Gnome extensions.

Navigate to extensions and enable extensions by flipping the relevant switch.
To install other extensions via Gnome extensions first we need to install GNOME Shell integration add-on.

Open up our Firefox browser and navigate to GNOME Shell integration add-on for Firefox page. Once ready click on Add to Firefox

Google Chrome or Chromium Browser?
For Google Chrome or Chromium browser please install the following GNOME Shell integration add-on.
Add permission to GNOME Shell integration add-on
Before we can install any additional extensions we first need to configure Gnome shell host connector. To do so execute the following Linux command:
```
$ sudo apt install chrome-gnome-shell
```
Failing this step will result in Although GNOME Shell integration extension is running, native host connector is not detected. Refer documentation for instructions about installing connector error message.

Now we are ready to install GNOME Shell extension.

Open you Firefox browser and click on the GNOME extension icon.
Select an extension you wish to install.
Flip the provided switch to install the desired extension.

Click Install to confirm the extension installation.

After this step you should see the extension on your desktop enabled and ready for configuration.