How To Install grub-efi-amd64-signed on Ubuntu 20.04
Introduction
In this tutorial we learn how to install grub-efi-amd64-signed on Ubuntu 20.04.
What is grub-efi-amd64-signed
grub-efi-amd64-signed is:
GRUB is a portable, powerful bootloader. This version of GRUB is based on a cleaner design than its predecessors, and provides the following new features:
- Scripting in grub.cfg using BASH-like syntax.
- Support for modern partition maps such as GPT.
- Modular generation of grub.cfg via update-grub. Packages providing GRUB add-ons can plug in their own script rules and trigger updates by invoking update-grub.
This package contains a version of GRUB built for use with the EFI-AMD64 architecture, signed with Canonical’s UEFI signing key. Task: ubuntu-core
Package: grub-efi-amd64-signed Architecture: amd64 Version: 1.142+2.04-1ubuntu26 Built-Using: grub2 (= 2.04-1ubuntu26) Priority: optional Section: utils Source: grub2-signed (1.142) Origin: Ubuntu Maintainer: Colin Watson [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 4448 Depends: grub-efi-amd64-bin (= 2.04-1ubuntu26), grub-efi-amd64 | grub-pc Recommends: secureboot-db Filename: pool/main/g/grub2-signed/grub-efi-amd64-signed_1.142+2.04-1ubuntu26_amd64.deb Size: 468240 MD5sum: aa75466e3327322c7da7e82903c9fbd6 SHA1: 9ed0a4a0c4c6f21452630e0a08818c25d628e704 SHA256: 52b23b382dd571b36867679e95f09ee4e7039d906b8b99d3b0f896d2ec3b4ef1 Description-en: GRand Unified Bootloader, version 2 (EFI-AMD64 version, signed) GRUB is a portable, powerful bootloader. This version of GRUB is based on a cleaner design than its predecessors, and provides the following new features:
- Scripting in grub.cfg using BASH-like syntax.
- Support for modern partition maps such as GPT.
- Modular generation of grub.cfg via update-grub. Packages providing GRUB add-ons can plug in their own script rules and trigger updates by invoking update-grub.
This package contains a version of GRUB built for use with the EFI-AMD64 architecture, signed with Canonical’s UEFI signing key. Task: ubuntu-core
There are three methods to install grub-efi-amd64-signed 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-efi-amd64-signed 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-efi-amd64-signed using apt-get by running the following command:
sudo apt-get -y install grub-efi-amd64-signed
Install grub-efi-amd64-signed Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install grub-efi-amd64-signed using apt by running the following command:
sudo apt -y install grub-efi-amd64-signed
Install grub-efi-amd64-signed 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-efi-amd64-signed using aptitude by running the following command:
sudo aptitude -y install grub-efi-amd64-signed
How To Uninstall grub-efi-amd64-signed on Ubuntu 20.04
To uninstall only the grub-efi-amd64-signed package we can use the following command:
sudo apt-get remove grub-efi-amd64-signed
Uninstall grub-efi-amd64-signed And Its Dependencies
To uninstall grub-efi-amd64-signed and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove grub-efi-amd64-signed
Remove grub-efi-amd64-signed Configurations and Data
To remove grub-efi-amd64-signed configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge grub-efi-amd64-signed
Remove grub-efi-amd64-signed configuration, data, and all of its dependencies
We can use the following command to remove grub-efi-amd64-signed configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge grub-efi-amd64-signed
References
Summary
In this tutorial we learn how to install grub-efi-amd64-signed package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
