How To Install gnupg on Ubuntu 20.04

In this tutorial we learn how to install gnupg on Ubuntu 20.04. gnupg is GNU privacy guard - a free PGP replacement GNU privacy guard - a free PGP replacement

Introduction

In this tutorial we learn how to install gnupg on Ubuntu 20.04.

What is `gnupg`

gnupg is:

GnuPG is GNU’s tool for secure communication and data storage. It can be used to encrypt data and to create digital signatures. It includes an advanced key management facility and is compliant with the proposed OpenPGP Internet standard as described in RFC4880.

This package contains the full suite of GnuPG tools for cryptographic communications and data storage. Task: server, ubuntu-desktop-minimal, samba-server, ubuntu-desktop, cloud-image, mail-server, ubuntu-core, kubuntu-desktop, xubuntu-core, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: gnupg Architecture: all Version: 2.2.19-3ubuntu2 Multi-Arch: foreign Priority: optional Section: utils Source: gnupg2 Origin: Ubuntu Maintainer: Ubuntu Developers ubuntu-devel-discuss@lists.ubuntu.com Original-Maintainer: Debian GnuPG Maintainers pkg-gnupg-maint@lists.alioth.debian.org Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 413 Depends: dirmngr (« 2.2.19-3ubuntu2.1~), dirmngr (>= 2.2.19-3ubuntu2), gnupg-l10n (= 2.2.19-3ubuntu2), gnupg-utils (« 2.2.19-3ubuntu2.1~), gnupg-utils (>= 2.2.19-3ubuntu2), gpg (« 2.2.19-3ubuntu2.1~), gpg (>= 2.2.19-3ubuntu2), gpg-agent (« 2.2.19-3ubuntu2.1~), gpg-agent (>= 2.2.19-3ubuntu2), gpg-wks-client (« 2.2.19-3ubuntu2.1~), gpg-wks-client (>= 2.2.19-3ubuntu2), gpg-wks-server (« 2.2.19-3ubuntu2.1~), gpg-wks-server (>= 2.2.19-3ubuntu2), gpgsm (« 2.2.19-3ubuntu2.1~), gpgsm (>= 2.2.19-3ubuntu2), gpgv (« 2.2.19-3ubuntu2.1~), gpgv (>= 2.2.19-3ubuntu2) Suggests: parcimonie, xloadimage Breaks: debsig-verify (« 0.15), dirmngr (« 2.2.19-3ubuntu2), gnupg2 (« 2.1.11-7+exp1), libgnupg-interface-perl (« 0.52-3), libgnupg-perl (<= 0.19-1), libmail-gnupg-perl (<= 0.22-1), monkeysphere (« 0.38~), php-crypt-gpg (<= 1.4.1-1), python-apt (<= 1.1.0~beta4), python-gnupg (« 0.3.8-3), python3-apt (<= 1.1.0~beta4) Replaces: gnupg2 (« 2.1.11-7+exp1) Filename: pool/main/g/gnupg2/gnupg_2.2.19-3ubuntu2_all.deb Size: 258936 MD5sum: 1d2ae8eda83b4f92745e1bda6982b1ab SHA1: 601dfbf11bf57821a7b7a82dfa48c551f8b8101a SHA256: e17824b835640c940a023f88cbc8f5a4b2c02e1b38cf91fb51876c6de2d82e4d Homepage: https://www.gnupg.org/ Description-en: GNU privacy guard - a free PGP replacement GnuPG is GNU’s tool for secure communication and data storage. It can be used to encrypt data and to create digital signatures. It includes an advanced key management facility and is compliant with the proposed OpenPGP Internet standard as described in RFC4880.

There are three methods to install gnupg on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install gnupg Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install gnupg

Install gnupg Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install gnupg using apt by running the following command:

sudo apt -y install gnupg

Install gnupg 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 gnupg using aptitude by running the following command:

sudo aptitude -y install gnupg

How To Uninstall gnupg on Ubuntu 20.04

To uninstall only the gnupg package we can use the following command:

sudo apt-get remove gnupg

Uninstall gnupg And Its Dependencies

To uninstall gnupg and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove gnupg

Remove gnupg Configurations and Data

To remove gnupg configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge gnupg

Remove gnupg configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge gnupg

References

Summary

In this tutorial we learn how to install gnupg package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.