rapl-info command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

rapl-info: command not found

or when using sudo you get the following error message

sudo: rapl-info: command not found

Solutions to rapl-info: command not found

How To Fix rapl-info: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu rapl-info is provided by powercap-utils package.

powercap-utils is:

This package contains utilities for accessing the powercap Linux kernel feature through sysfs. Specifically, it provides powercap-info and powercap- set for generic access to powercap control types, and rapl-info and rapl- set for managing Intel RAPL implementations.

To fix this problem, we can install more using the command below.

sudo apt-get -y install powercap-utils

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install powercap-utils.

sudo apt -y install powercap-utils

Or if you have aptitude installed you can use the following command.

sudo aptitude install powercap-utils

Summary

In this tutorial we learn how to fix rapl-info command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.