iucode_tool command not found

Introduction

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

iucode_tool: command not found

or when using sudo you get the following error message

sudo: iucode_tool: command not found

Solutions to iucode_tool: command not found

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

In Ubuntu iucode_tool is provided by iucode-tool package.

iucode-tool is:

iucode_tool is a program to manipulate Intel® X86 and X86-64 processor microcode collections, and to use the kernel facilities to upgrade the microcode on Intel system processors.

It can load microcode data files in text and binary format, sort, list and filter the microcodes contained in these files, write selected microcodes to a new file in binary format, or upload them to the kernel.

It operates on non-free microcode data downloaded directly from Intel or installed by the intel-microcode package.

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

sudo apt-get -y install iucode-tool

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

You can also use apt command to install iucode-tool.

sudo apt -y install iucode-tool

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

sudo aptitude install iucode-tool

Summary

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