freeart command not found

Introduction

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

freeart: command not found

or when using sudo you get the following error message

sudo: freeart: command not found

Solutions to freeart: command not found

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

In Ubuntu freeart is provided by python3-freeart package.

python3-freeart is:

Freeart is a tomographic image reconstruction library using Algebraic Reconstruction Technique (ART). It is able to deal with absorption and emission sinograms. Freeart core is written in C++ using template classes to have simple or double precision. A python interface is provided to access the core functionalities. A set of utils such as configuration files, interpreter to run reconstruction from configuration files are provided in python.

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

sudo apt-get -y install python3-freeart

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

You can also use apt command to install python3-freeart.

sudo apt -y install python3-freeart

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

sudo aptitude install python3-freeart

Summary

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