How To Install ruby-ed25519 on Ubuntu 22.04
Introduction
In this tutorial we learn how to install ruby-ed25519
on Ubuntu 22.04.
What is ruby-ed25519
ruby-ed25519 is:
A Ruby binding to the Ed25519 elliptic curve public-key signature system described in RFC 8032.
Ed25519 is a modern implementation of a Schnorr signature system using elliptic curve groups.
Ed25519 provides a 128-bit security level, that is to say, all known attacks take at least 2^128 operations, providing the same security level as AES-128, NIST P-256, and RSA-3072.
There are three methods to install ruby-ed25519
on Ubuntu 22.04. 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-ed25519 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-ed25519
using apt-get
by running the following command:
sudo apt-get -y install ruby-ed25519
Install ruby-ed25519 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install ruby-ed25519
using apt
by running the following command:
sudo apt -y install ruby-ed25519
Install ruby-ed25519 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-ed25519
using aptitude
by running the following command:
sudo aptitude -y install ruby-ed25519
How To Uninstall ruby-ed25519 on Ubuntu 22.04
To uninstall only the ruby-ed25519
package we can use the following command:
sudo apt-get remove ruby-ed25519
Uninstall ruby-ed25519 And Its Dependencies
To uninstall ruby-ed25519
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove ruby-ed25519
Remove ruby-ed25519 Configurations and Data
To remove ruby-ed25519
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge ruby-ed25519
Remove ruby-ed25519 configuration, data, and all of its dependencies
We can use the following command to remove ruby-ed25519
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-ed25519
References
Summary
In this tutorial we learn how to install ruby-ed25519
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.