How To Install dh-ocaml on Ubuntu 18.04

In this tutorial we learn how to install dh-ocaml on Ubuntu 18.04. dh-ocaml is helper tools for maintaining OCaml-related Debian packages

Introduction

In this tutorial we learn how to install dh-ocaml on Ubuntu 18.04.

What is dh-ocaml

dh-ocaml is:

dh-ocaml is a set of tools and documents to help maintaining Debian packages related to the Objective Caml (OCaml) programming language.

dh-ocaml notably contains the following components:

  • Makefile helpers to write debian/rules files implementing OCaml packaging best-practices (both for CDBS lovers and haters)
  • the Debian OCaml Packaging Policy
  • dh_ocaml debhelper to automatically computes dependencies among binary OCaml packages
  • ocaml-md5sums, the tool used to maintain the system registry of OCaml module interface checksums

There are three methods to install dh-ocaml on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install dh-ocaml Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install dh-ocaml using apt-get by running the following command:

sudo apt-get -y install dh-ocaml

Install dh-ocaml Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install dh-ocaml using apt by running the following command:

sudo apt -y install dh-ocaml

Install dh-ocaml Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install dh-ocaml using aptitude by running the following command:

sudo aptitude -y install dh-ocaml

How To Uninstall dh-ocaml on Ubuntu 18.04

To uninstall only the dh-ocaml package we can use the following command:

sudo apt-get remove dh-ocaml

Uninstall dh-ocaml And Its Dependencies

To uninstall dh-ocaml and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove dh-ocaml

Remove dh-ocaml Configurations and Data

To remove dh-ocaml configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge dh-ocaml

Remove dh-ocaml configuration, data, and all of its dependencies

We can use the following command to remove dh-ocaml configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge dh-ocaml

References

Summary

In this tutorial we learn how to install dh-ocaml package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.