How To Install otp on Ubuntu 22.04

In this tutorial we learn how to install otp on Ubuntu 22.04. otp is Generator for One Time Pads or Passwords

Introduction

In this tutorial we learn how to install otp on Ubuntu 22.04.

What is otp

otp is:

otp creates key and password lists for verification and security purposes in a variety of formats. Keys can be of any length, consist of digits or letters (capital or lower case), and alphabetic passwords can either be entirely random (most secure) or obey the digraph statistics of English text (easier to remember when transcribing, but less secure).

For computer applications, for example one-time login passwords, otp can create a file containing the MD5 signature of each of the generated keys. This permits the computer to verify keys without the need to store the keys in plaintext.

There are three methods to install otp 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 otp Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install otp

Install otp Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install otp

Install otp 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 otp using aptitude by running the following command:

sudo aptitude -y install otp

How To Uninstall otp on Ubuntu 22.04

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

sudo apt-get remove otp

Uninstall otp And Its Dependencies

To uninstall otp and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove otp

Remove otp Configurations and Data

To remove otp configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge otp

Remove otp configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge otp

References

Summary

In this tutorial we learn how to install otp package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.