How To Install ruby-mail-gpg on Ubuntu 18.04

In this tutorial we learn how to install ruby-mail-gpg on Ubuntu 18.04. ruby-mail-gpg is GPG/MIME encryption plugin for the Ruby Mail Library

Introduction

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

What is ruby-mail-gpg

ruby-mail-gpg is:

This tiny lib adds GPG/MIME capabilities to Mail::Message and ActionMailer::Base. Because privacy matters.

For maximum interoperability the lib also supports decryption of messages using the non-standard ‘PGP-Inline’ method as for example supported in the Mozilla Enigmail OpenPGP plugin.

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

sudo apt-get -y install ruby-mail-gpg

Install ruby-mail-gpg Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-mail-gpg

Install ruby-mail-gpg 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-mail-gpg using aptitude by running the following command:

sudo aptitude -y install ruby-mail-gpg

How To Uninstall ruby-mail-gpg on Ubuntu 18.04

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

sudo apt-get remove ruby-mail-gpg

Uninstall ruby-mail-gpg And Its Dependencies

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

sudo apt-get -y autoremove ruby-mail-gpg

Remove ruby-mail-gpg Configurations and Data

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

sudo apt-get -y purge ruby-mail-gpg

Remove ruby-mail-gpg configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-mail-gpg

References

Summary

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