How To Install python-pyotp on Ubuntu 18.04

In this tutorial we learn how to install python-pyotp on Ubuntu 18.04. python-pyotp is Python One Time Password Library (Python 2)

Introduction

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

What is python-pyotp

python-pyotp is:

This package contains a Python library for generating and verifying one-time passwords. It can be used to implement two-factor (2FA) or multi-factor (MFA) authentication methods in web applications and in other systems that require users to log in.

Quick overview of using One Time Passwords on your phone

  • OTPs involve a shared secret, stored both on the phone and the server
  • OTPs can be generated on a phone without internet connectivity
  • OTPs should always be used as a second factor of authentication(if your phone is lost, you account is still secured with a password)
  • Google Authenticator allows you to store multiple OTP secrets and provision those using a QR Code(no more typing in the secret)

This package contains the Python 2 version of pyotp.

There are three methods to install python-pyotp 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-pyotp 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-pyotp using apt-get by running the following command:

sudo apt-get -y install python-pyotp

Install python-pyotp Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python-pyotp

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

sudo aptitude -y install python-pyotp

How To Uninstall python-pyotp on Ubuntu 18.04

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

sudo apt-get remove python-pyotp

Uninstall python-pyotp And Its Dependencies

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

sudo apt-get -y autoremove python-pyotp

Remove python-pyotp Configurations and Data

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

sudo apt-get -y purge python-pyotp

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

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

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

References

Summary

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