How To Install ruby-openid on Ubuntu 18.04

In this tutorial we learn how to install ruby-openid on Ubuntu 18.04. ruby-openid is Ruby library for verifying and serving OpenID identities

Introduction

In this tutorial we learn how to install ruby-openid on Ubuntu 18.04.

What is ruby-openid

ruby-openid is:

Ruby OpenID makes it easy to add OpenID authentication to your web applications. This library is a port of the Python OpenID library, and features:

  • API for verifying OpenID identities (OpenID::Consumer)
  • API for serving OpenID identities (OpenID::Server)
  • Consumer and server support for extensions, including simple registration
  • Yadis 1.0 and OpenID 1.0 service discovery, including server fallback
  • Does not depend on underlying web framework
  • Multiple storage implementations (Filesystem, SQL)
  • Comprehensive test suite
  • Example code to help you get started, including:
    • WEBrick based consumer
    • Ruby on rails based server
    • OpenIDLoginGenerator for quickly creating a rails app that uses OpenID for authentication
    • ActiveRecord adapter for using an SQL store in rails

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

sudo apt-get -y install ruby-openid

Install ruby-openid Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-openid

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

sudo aptitude -y install ruby-openid

How To Uninstall ruby-openid on Ubuntu 18.04

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

sudo apt-get remove ruby-openid

Uninstall ruby-openid And Its Dependencies

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

sudo apt-get -y autoremove ruby-openid

Remove ruby-openid Configurations and Data

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

sudo apt-get -y purge ruby-openid

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

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

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

References

Summary

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