How To Install unity-greeter on Ubuntu 20.04

In this tutorial we learn how to install unity-greeter on Ubuntu 20.04. unity-greeter is Unity Greeter

Introduction

In this tutorial we learn how to install unity-greeter on Ubuntu 20.04.

What is unity-greeter

unity-greeter is:

The greeter for the Unity desktop.

There are three methods to install unity-greeter on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install unity-greeter Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install unity-greeter using apt-get by running the following command:

sudo apt-get -y install unity-greeter

Install unity-greeter Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install unity-greeter using apt by running the following command:

sudo apt -y install unity-greeter

Install unity-greeter Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install unity-greeter using aptitude by running the following command:

sudo aptitude -y install unity-greeter

How To Uninstall unity-greeter on Ubuntu 20.04

To uninstall only the unity-greeter package we can use the following command:

sudo apt-get remove unity-greeter

Uninstall unity-greeter And Its Dependencies

To uninstall unity-greeter and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove unity-greeter

Remove unity-greeter Configurations and Data

To remove unity-greeter configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge unity-greeter

Remove unity-greeter configuration, data, and all of its dependencies

We can use the following command to remove unity-greeter configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge unity-greeter

References

Summary

In this tutorial we learn how to install unity-greeter package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.