How To Install grub-emu on Ubuntu 20.04

In this tutorial we learn how to install grub-emu on Ubuntu 20.04. grub-emu is GRand Unified Bootloader, version 2 (emulated version) GRand Unified Bootloader, version 2 (emulated version)

Introduction

In this tutorial we learn how to install grub-emu on Ubuntu 20.04.

What is grub-emu

grub-emu is:

This package contains grub-emu, an emulated version of GRUB. It is only provided for debugging purposes.

Package: grub-emu Architecture: amd64 Version: 2.04-1ubuntu26 Multi-Arch: foreign Priority: extra Section: universe/admin Source: grub2 Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: GRUB Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 26912 Depends: libc6 (>= 2.28), libdevmapper1.02.1 (>= 2:1.02.36), libgcc-s1 (>= 3.0), libsdl1.2debian (>= 1.2.11), grub-common (= 2.04-1ubuntu26) Replaces: grub-common (<= 1.97~beta3-1) Filename: pool/universe/g/grub2/grub-emu_2.04-1ubuntu26_amd64.deb Size: 4807380 MD5sum: b212badfc2567cc80f287a4e97269d64 SHA1: 763d125d5b80461e5d1c89ca9dc674102efe9fb1 SHA256: f8ece849e6ab8d2c5aba17302845c49505f0ddb9bafbca9450b448ace2691846 Homepage: https://www.gnu.org/software/grub/ Description-en: GRand Unified Bootloader, version 2 (emulated version) This package contains grub-emu, an emulated version of GRUB. It is only provided for debugging purposes.

There are three methods to install grub-emu 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 grub-emu Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install grub-emu

Install grub-emu Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install grub-emu

Install grub-emu 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 grub-emu using aptitude by running the following command:

sudo aptitude -y install grub-emu

How To Uninstall grub-emu on Ubuntu 20.04

To uninstall only the grub-emu package we can use the following command:

sudo apt-get remove grub-emu

Uninstall grub-emu And Its Dependencies

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

sudo apt-get -y autoremove grub-emu

Remove grub-emu Configurations and Data

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

sudo apt-get -y purge grub-emu

Remove grub-emu configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge grub-emu

References

Summary

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