whatweb command not found

In this troubleshooting guide we learn how to fix whatweb command not found error message

Introduction

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

whatweb: command not found

or when using sudo you get the following error message

sudo: whatweb: command not found

Solutions to whatweb: command not found

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

In Ubuntu whatweb is provided by whatweb package.

whatweb is:

WhatWeb identifies websites. It recognises web technologies including content management systems (CMS), blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and embedded devices.

WhatWeb has over 900 plugins, each to recognise something different. It also identifies version numbers, email addresses, account IDs, web framework modules, SQL errors, and more.

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

sudo apt-get -y install whatweb

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

You can also use apt command to install whatweb.

sudo apt -y install whatweb

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

sudo aptitude install whatweb

Summary

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