gifshuffle command not found

Introduction

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

gifshuffle: command not found

or when using sudo you get the following error message

sudo: gifshuffle: command not found

Solutions to gifshuffle: command not found

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

In Ubuntu gifshuffle is provided by gifshuffle package.

gifshuffle is:

gifshuffle is a program that allows one to hide encrypted messages within images in GIF format. Its use in security can be considered in the forensics field. Cryptography students can also benefit from this program is considering its applicability in steganography.

Used to conceal messages in GIF images by shuffling the colourmap, which leaves the image visibly unchanged. gifshuffle works with all GIF images, including those with transparency and animation, and in addition provides compression and encryption of the concealed message.

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

sudo apt-get -y install gifshuffle

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

You can also use apt command to install gifshuffle.

sudo apt -y install gifshuffle

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

sudo aptitude install gifshuffle

Summary

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