How To Install ruby-mail-gpg on Debian 9
Introduction
In this tutorial we learn how to install ruby-mail-gpg on Debian 9.
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 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-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 Debian. 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 Debian 9
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 Debian 9, 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 Debian 9 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
Dependencies
ruby-mail-gpg have the following dependencies:
References
Summary
In this tutorial we learn how to install ruby-mail-gpg package on Debian 9 using different package management tools: apt, apt-get and aptitude.