zinnia_learn command not found

Introduction

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

zinnia_learn: command not found

or when using sudo you get the following error message

sudo: zinnia_learn: command not found

Solutions to zinnia_learn: command not found

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

In Ubuntu zinnia_learn is provided by zinnia-utils package.

zinnia-utils is:

Zinnia provides a simple, customizable, and portable dynamic OCR system for hand-written input, based on Support Vector Machines.

Zinnia simply receives user pen strokes as coordinate data and outputs the best matching characters sorted by SVM confidence. To maintain portability, it has no rendering functionality. In addition to recognition, Zinnia provides a training module capable of creating highly efficient handwriting recognition models.

This package provide utils for zinnia library.

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

sudo apt-get -y install zinnia-utils

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

You can also use apt command to install zinnia-utils.

sudo apt -y install zinnia-utils

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

sudo aptitude install zinnia-utils

Summary

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