check-bios-nx command not found

Introduction

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

check-bios-nx: command not found

or when using sudo you get the following error message

sudo: check-bios-nx: command not found

Solutions to check-bios-nx: command not found

How To Fix check-bios-nx: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu check-bios-nx is provided by cpu-checker package.

cpu-checker is:

There are some CPU features that are filtered or disabled by system BIOSes. This set of tools seeks to help identify when certain features are in this state, based on kernel values, CPU flags and other conditions. Supported feature tests are NX/XD and VMX/SVM.

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

sudo apt-get -y install cpu-checker

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

You can also use apt command to install cpu-checker.

sudo apt -y install cpu-checker

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

sudo aptitude install cpu-checker

Summary

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