How To Install add-apt-key on Ubuntu 20.04

In this tutorial we learn how to install add-apt-key on Ubuntu 20.04. add-apt-key is Command line tool to add GPG keys to the APT keyring

Introduction

In this tutorial we learn how to install add-apt-key on Ubuntu 20.04.

What is add-apt-key

The command add-apt-key provides a convenient command line interface which will add a new GPG key to your APT keyring. . Those who are more graphically inclined may prefer the package gui-apt-key.

There are three ways to install add-apt-key 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 add-apt-key Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install add-apt-key

Install add-apt-key Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install add-apt-key

Install add-apt-key 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 add-apt-key using aptitude by running the following command:

sudo aptitude -y install add-apt-key

How To Uninstall add-apt-key on Ubuntu 20.04

To uninstall only the add-apt-key package we can use the following command:

sudo apt-get remove add-apt-key

Uninstall add-apt-key And Its Dependencies

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

sudo apt-get -y autoremove add-apt-key

Remove add-apt-key Configurations and Data

To remove add-apt-key configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge add-apt-key

Remove add-apt-key configuration, data, and all of its dependencies

We can use the following command to remove add-apt-key configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge add-apt-key

References

Summary

In this tutorial we learn how to install add-apt-key on Ubuntu 20.04 using different package management tools like apt, apt-get and aptitude.