How To Install msr-tools on Ubuntu 20.04

In this tutorial we learn how to install msr-tools on Ubuntu 20.04. msr-tools is Utilities for modifying MSRs from userspace

Introduction

In this tutorial we learn how to install msr-tools on Ubuntu 20.04.

What is `msr-tools`

msr-tools is:

MSRs are Machine Specific Registers that are used to set values for hardware to use, or to pass values between the BIOS and kernel. This package provides utilies to both read and write MSRs. Reading and writing MSRs might be useful when debugging kernel drivers, for example.

There are three methods to install msr-tools 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 msr-tools Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install msr-tools

Install msr-tools Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install msr-tools

Install msr-tools 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 msr-tools using aptitude by running the following command:

sudo aptitude -y install msr-tools

How To Uninstall msr-tools on Ubuntu 20.04

To uninstall only the msr-tools package we can use the following command:

sudo apt-get remove msr-tools

Uninstall msr-tools And Its Dependencies

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

sudo apt-get -y autoremove msr-tools

Remove msr-tools Configurations and Data

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

sudo apt-get -y purge msr-tools

Remove msr-tools configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge msr-tools

References

Summary

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