tessrun command not found

Introduction

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

tessrun: command not found

or when using sudo you get the following error message

sudo: tessrun: command not found

Solutions to tessrun: command not found

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

In Ubuntu tessrun is provided by slang-tess package.

slang-tess is:

TESS is the (Te)st (S)ystem for (S)-Lang, which aims at reducing the workload and ad-hoc nature of regression testing S-Lang software, by collecting common testing elements into a single, easy-to-use framework.

TESS provides the S-Lang developer nominal mechanisms for tailoring the S-Lang environment and invoking functions with arbitrary inputs, while transparently inspecting and cleaning the stack, gathering pass/fail statistics, and providing error recovery from selected exceptions.

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

sudo apt-get -y install slang-tess

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

You can also use apt command to install slang-tess.

sudo apt -y install slang-tess

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

sudo aptitude install slang-tess

Summary

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