How To Install ruby-metaclass on Debian 9

In this tutorial we learn how to install ruby-metaclass on Debian 9. ruby-metaclass is Ruby library adding a metaclass method to all Ruby objects

Introduction

In this tutorial we learn how to install ruby-metaclass on Debian 9.

What is ruby-metaclass

ruby-metaclass is:

This simple Ruby library provides for every Ruby object a method called “metaclass”, returning a class attached the object, which offers possibilities of metaprogramming, like adding specific methods to the object.

There are three methods to install ruby-metaclass on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-metaclass Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ruby-metaclass

Install ruby-metaclass Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-metaclass

Install ruby-metaclass 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install ruby-metaclass

How To Uninstall ruby-metaclass on Debian 9

To uninstall only the ruby-metaclass package we can use the following command:

sudo apt-get remove ruby-metaclass

Uninstall ruby-metaclass And Its Dependencies

To uninstall ruby-metaclass and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove ruby-metaclass

Remove ruby-metaclass Configurations and Data

To remove ruby-metaclass configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge ruby-metaclass

Remove ruby-metaclass configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-metaclass

Dependencies

ruby-metaclass have the following dependencies:

References

Summary

In this tutorial we learn how to install ruby-metaclass package on Debian 9 using different package management tools: apt, apt-get and aptitude.