How To Install erlang-yapp on Ubuntu 18.04

In this tutorial we learn how to install erlang-yapp on Ubuntu 18.04. erlang-yapp is Erlang application for deploying Yaws webserver applications

Introduction

In this tutorial we learn how to install erlang-yapp on Ubuntu 18.04.

What is erlang-yapp

erlang-yapp is:

Yaws-yapp (Yaws application handler) is a helper application. It takes care of adding, and removing, the applications into a running server. When anyone access the server with an URL that matches the path for an added application, the docroot will be temporarily switched to where the web pages for that application are located.

This package includes the Yapp Erlang module which can be used in Yaws embedded mode without separate server config.

There are three methods to install erlang-yapp 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 erlang-yapp Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install erlang-yapp

Install erlang-yapp Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install erlang-yapp

Install erlang-yapp 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 erlang-yapp using aptitude by running the following command:

sudo aptitude -y install erlang-yapp

How To Uninstall erlang-yapp on Ubuntu 18.04

To uninstall only the erlang-yapp package we can use the following command:

sudo apt-get remove erlang-yapp

Uninstall erlang-yapp And Its Dependencies

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

sudo apt-get -y autoremove erlang-yapp

Remove erlang-yapp Configurations and Data

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

sudo apt-get -y purge erlang-yapp

Remove erlang-yapp configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge erlang-yapp

References

Summary

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