ducktype command not found

Introduction

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

ducktype: command not found

or when using sudo you get the following error message

sudo: ducktype: command not found

Solutions to ducktype: command not found

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

In Ubuntu ducktype is provided by ducktype package.

ducktype is:

Ducktype is a lightweight non-XML syntax for Mallard, a topic-oriented markup language for help files. Mallard is primarily used in GNOME help.

This package contains the ducktype command-line tool, which can be used to convert Ducktype documents into the Mallard XML format for further processing by the tools and stylesheets in the yelp-tools and yelp-xsl packages.

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

sudo apt-get -y install ducktype

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

You can also use apt command to install ducktype.

sudo apt -y install ducktype

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

sudo aptitude install ducktype

Summary

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