How To Install ruby-standalone on Debian 9

In this tutorial we learn how to install ruby-standalone on Debian 9. ruby-standalone is Ruby interpreter that wont integrate with Debian packages

Introduction

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

What is ruby-standalone

ruby-standalone is:

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in perl). It is simple, straight-forward, and extensible.

This package provides a Ruby interpreter without providing support for other Debian-provided Ruby packages, i.e. it won’t use any code from Debian packages that provide Ruby libraries, Rubygems won’t recognize libraries installed with Debian packages etc.

This package is mostly useful for server deployments or development environments where one wants or needs to obtain the Ruby interpreter from Debian (and thus benefit from having security updates, not having to build from source, obtaining pre-built binaries from a trusted source etc.), but install everything else from sources external to Debian such as rubygems.org.

No official Debian Ruby packages, application or library, should depend on this package.

There are three methods to install ruby-standalone 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-standalone 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-standalone using apt-get by running the following command:

sudo apt-get -y install ruby-standalone

Install ruby-standalone Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-standalone

Install ruby-standalone 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-standalone using aptitude by running the following command:

sudo aptitude -y install ruby-standalone

How To Uninstall ruby-standalone on Debian 9

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

sudo apt-get remove ruby-standalone

Uninstall ruby-standalone And Its Dependencies

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

sudo apt-get -y autoremove ruby-standalone

Remove ruby-standalone Configurations and Data

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

sudo apt-get -y purge ruby-standalone

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

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

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

Dependencies

ruby-standalone have the following dependencies:

References

Summary

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