dune command not found

In this troubleshooting guide we learn how to fix dune command not found error message

Introduction

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

dune: command not found

or when using sudo you get the following error message

sudo: dune: command not found

Solutions to dune: command not found

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

In Ubuntu dune is provided by ocaml-dune package.

ocaml-dune is:

Dune is a build system designed for OCaml/Reason projects only. It focuses on providing the user with a consistent experience and takes care of most of the low-level details of OCaml compilation. All you have to do is provide a description of your project and Dune will do the rest.

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

sudo apt-get -y install ocaml-dune

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

You can also use apt command to install ocaml-dune.

sudo apt -y install ocaml-dune

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

sudo aptitude install ocaml-dune

Summary

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