How To Install python-signedjson on Ubuntu 18.04

In this tutorial we learn how to install python-signedjson on Ubuntu 18.04. python-signedjson is sign JSON with Ed25519 signatures in Python

Introduction

In this tutorial we learn how to install python-signedjson on Ubuntu 18.04.

What is python-signedjson

python-signedjson is:

A module to sign JSON objects with ED25519 signatures.

  • More than one entity can sign the same object.
  • Each entity can sign the object with more than one key making it easier to rotate keys
  • ED25519 can be replaced with a different algorithm.
  • Unprotected data can be added to the object under the “unsigned” key.

This package is for Python 2.

There are three methods to install python-signedjson 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 python-signedjson Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install python-signedjson

Install python-signedjson Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python-signedjson

Install python-signedjson 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 python-signedjson using aptitude by running the following command:

sudo aptitude -y install python-signedjson

How To Uninstall python-signedjson on Ubuntu 18.04

To uninstall only the python-signedjson package we can use the following command:

sudo apt-get remove python-signedjson

Uninstall python-signedjson And Its Dependencies

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

sudo apt-get -y autoremove python-signedjson

Remove python-signedjson Configurations and Data

To remove python-signedjson configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python-signedjson

Remove python-signedjson configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge python-signedjson

References

Summary

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