epsilon command not found

Introduction

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

epsilon: command not found

or when using sudo you get the following error message

sudo: epsilon: command not found

Solutions to epsilon: command not found

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

In Ubuntu epsilon is provided by epsilon-bin package.

epsilon-bin is:

Epsilon is C library for Wavelet based lossy image compression. Wavelet-driven compressors are know to be much more effective than traditional DCT-based ones (like JPEG).

At the moment, the program supports about 30 different wavelet filters, runs in parallel in multi-threaded and MPI environments, can process huge images and much more.

This package contains some useful tools to compress/uncompress images.

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

sudo apt-get -y install epsilon-bin

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

You can also use apt command to install epsilon-bin.

sudo apt -y install epsilon-bin

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

sudo aptitude install epsilon-bin

Summary

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