How To Install gnupg1 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install gnupg1
on Ubuntu 20.04.
What is gnupg1
gnupg1 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 RFC 4880.
The gnupg1 package provides GnuPG 1.4, the “classic” standalone, non-modularized version. It is provided mainly for people with the need to use archaic cryptographic objects like PGPv3 keys to access archived messages. It does not support more recent cryptographic primitives like ECDSA or EdDSA. Please use the gnupg package instead unless you know for sure that you need gnupg1.
There are three methods to install gnupg1
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 gnupg1 Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install gnupg1
using apt-get
by running the following command:
sudo apt-get -y install gnupg1
Install gnupg1 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install gnupg1
using apt
by running the following command:
sudo apt -y install gnupg1
Install gnupg1 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 gnupg1
using aptitude
by running the following command:
sudo aptitude -y install gnupg1
How To Uninstall gnupg1 on Ubuntu 20.04
To uninstall only the gnupg1
package we can use the following command:
sudo apt-get remove gnupg1
Uninstall gnupg1 And Its Dependencies
To uninstall gnupg1
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove gnupg1
Remove gnupg1 Configurations and Data
To remove gnupg1
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge gnupg1
Remove gnupg1 configuration, data, and all of its dependencies
We can use the following command to remove gnupg1
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge gnupg1
References
Summary
In this tutorial we learn how to install gnupg1
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.