update-cracklib command not found

Introduction

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

update-cracklib: command not found

or when using sudo you get the following error message

sudo: update-cracklib: command not found

Solutions to update-cracklib: command not found

How To Fix update-cracklib: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu update-cracklib is provided by cracklib-runtime package.

cracklib-runtime is:

Run-time support programs which use the shared library in libcrack2 including programs to build the password dictionary databases used by the functions in the shared library.

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

sudo apt-get -y install cracklib-runtime

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

You can also use apt command to install cracklib-runtime.

sudo apt -y install cracklib-runtime

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

sudo aptitude install cracklib-runtime

Summary

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