How To Install shim-dbg on Ubuntu 22.04
Introduction
In this tutorial we learn how to install shim-dbg on Ubuntu 22.04.
What is shim-dbg
shim-dbg is:
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.
Debug symbols.
There are three methods to install shim-dbg on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install shim-dbg Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install shim-dbg using apt-get by running the following command:
sudo apt-get -y install shim-dbg
Install shim-dbg Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install shim-dbg using apt by running the following command:
sudo apt -y install shim-dbg
Install shim-dbg 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 shim-dbg using aptitude by running the following command:
sudo aptitude -y install shim-dbg
How To Uninstall shim-dbg on Ubuntu 22.04
To uninstall only the shim-dbg package we can use the following command:
sudo apt-get remove shim-dbg
Uninstall shim-dbg And Its Dependencies
To uninstall shim-dbg and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove shim-dbg
Remove shim-dbg Configurations and Data
To remove shim-dbg configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge shim-dbg
Remove shim-dbg configuration, data, and all of its dependencies
We can use the following command to remove shim-dbg configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge shim-dbg
References
Summary
In this tutorial we learn how to install shim-dbg package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
