cpuid_tool command not found

Introduction

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

cpuid_tool: command not found

or when using sudo you get the following error message

sudo: cpuid_tool: command not found

Solutions to cpuid_tool: command not found

How To Fix cpuid_tool: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu cpuid_tool is provided by cpuidtool package.

cpuidtool is:

libcpuid is a small C library for x86 CPU detection and feature extraction. Using it, you can:

- get the processor vendor, model, brand string, code name,
- get information about CPU features such as: number of cores or logical
  CPUs, cache sizes, CPU clock,
- check if the processor implements a specific instruction set such as
  the SSE2, 3DNow!,
- execute the CPUID and RDTSC instructions (portably!)

This package ships the cpuidtool.

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

sudo apt-get -y install cpuidtool

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

You can also use apt command to install cpuidtool.

sudo apt -y install cpuidtool

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

sudo aptitude install cpuidtool

Summary

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