How To Install microcode-initrd on Ubuntu 22.04

In this tutorial we learn how to install microcode-initrd on Ubuntu 22.04. microcode-initrd is early microcode-only initrd suitable for grub

Introduction

In this tutorial we learn how to install microcode-initrd on Ubuntu 22.04.

What is microcode-initrd

microcode-initrd is:

intel and amd64 microcode are generated together into an early, microcode-only, initrd. This initrd can then be loaded by grub on boot, for otherwise an initrd-less boot.

This package dynamically creates /boot/microcode.cpio whenever any microcode is updated.

There are three methods to install microcode-initrd 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 microcode-initrd Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install microcode-initrd

Install microcode-initrd Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install microcode-initrd

Install microcode-initrd 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 microcode-initrd using aptitude by running the following command:

sudo aptitude -y install microcode-initrd

How To Uninstall microcode-initrd on Ubuntu 22.04

To uninstall only the microcode-initrd package we can use the following command:

sudo apt-get remove microcode-initrd

Uninstall microcode-initrd And Its Dependencies

To uninstall microcode-initrd and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove microcode-initrd

Remove microcode-initrd Configurations and Data

To remove microcode-initrd configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge microcode-initrd

Remove microcode-initrd configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge microcode-initrd

References

Summary

In this tutorial we learn how to install microcode-initrd package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.