How To Install efivar on Ubuntu 20.04

In this tutorial we learn how to install efivar on Ubuntu 20.04. efivar is Tools to manage UEFI variables Tools to manage UEFI variables

Introduction

In this tutorial we learn how to install efivar on Ubuntu 20.04.

What is efivar

efivar is:

efivar provides a simple command line interface to the UEFI variable facility.

Package: efivar Architecture: amd64 Version: 37-2ubuntu2 Multi-Arch: foreign Priority: optional Section: admin Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian UEFI Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 44 Depends: libc6 (>= 2.14), libefivar1 (= 37-2ubuntu2), libefiboot1 (= 37-2ubuntu2) Filename: pool/main/e/efivar/efivar_37-2ubuntu2_amd64.deb Size: 8656 MD5sum: ba797744cb224269abd308535333efad SHA1: 0ab1ff01ae9d094b8a118ef0acd79a97f9dfad77 SHA256: d36079f11e90cb9dc62991f7c12f20ce3b0d61eed27035cd3105ed8df95b3bcc Homepage: https://github.com/rhinstaller/efivar Description-en: Tools to manage UEFI variables efivar provides a simple command line interface to the UEFI variable facility.

There are three methods to install efivar 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 efivar Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install efivar

Install efivar Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install efivar using apt by running the following command:

sudo apt -y install efivar

Install efivar 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 efivar using aptitude by running the following command:

sudo aptitude -y install efivar

How To Uninstall efivar on Ubuntu 20.04

To uninstall only the efivar package we can use the following command:

sudo apt-get remove efivar

Uninstall efivar And Its Dependencies

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

sudo apt-get -y autoremove efivar

Remove efivar Configurations and Data

To remove efivar configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge efivar

Remove efivar configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge efivar

References

Summary

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