Ways to Uninstall and Install shim-unsigned on Ubuntu 22.04

Updated: October 14, 2022

This package provides a minimalist boot loader which allows verifying signatures of other UEFI binaries against either the Secure Boot DB/DBX or against a built-in signature database. Its purpose is to allow a small, infrequently-changing binary to be signed by the UEFI CA, while allowing an OS distributor to revision their main bootloader independently of the CA. In this guide, I will show you how to install shim-unsigned on Ubuntu 22.04.

Prerequisites

  • OS: Ubuntu 22.04 is needed for shim-unsigned to work
  • Privileges: Verify that you can execute the sudo commands line.

Prerequisites to install shim-unsigned on Ubuntu 22.04

Install shim-unsigned Ubuntu 22.04

shim-unsigned is one of the popular ways on Ubuntu now so that this tutorial will show you some ways to install it. Choose the one that you think is easy and you can follow.

Install shim-unsigned using APT

This is a popular method for installing any Ubuntu packages because it’s easy to follow, even if you are a newbie in Linux. Following these steps to get shim-unsigned on your Ubuntu.

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Launch the terminal and enter the following Linux command:

sudo apt -y update

Step 2: Start the package installation on Ubuntu 22.04. After updating the system, you can install shim-unsigned Ubuntu by pasting this command into the terminal and pressing Enter.

sudo apt-get install shim-unsigned

Install shim-unsigned using Aptitude

Users can manage their installation, upgrade, and removal of packages with Aptitude and view a list of the packages that are currently available. You must run this command to install it if you haven’t already done so on Ubuntu.

sudo apt -y install aptitude

After that, you can now install shim-unsigned, just following these steps:

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Opening the terminal and executing the following Linux command:

sudo apt-get -y update

Step 2: Start the package installation on Ubuntu 22.04. After updating the system, you can install shim-unsigned Ubuntu by pasting this command into the terminal and executing it.

sudo aptitude -y install shim-unsigned

Uninstall shim-unsigned on Ubuntu 22.04

Have you ever thought about how difficult it is to uninstall an application from Ubuntu? You are mistaken; anyone can easily uninstall any program, not just a package.

If you installed shim-unsigned using APT or Aptitude, you could uninstall shim-unsigned on Ubuntu by executing this command

sudo apt remove --auto-remove shim-unsigned

If you want to uninstall shim-unsigned and remove its data and dependencies, you can also run the following command:

sudo apt autoremove --purge shim-unsigned

Ending

In this guide, I showed you ways to install shim-unsigned on Ubuntu 22.04 and some ways to uninstall shim-unsigned too. Please do not hesitate to contact me if you require any assistance. I’m delighted to respond to them.