oathtool command not found

In this troubleshooting guide we learn how to fix oathtool command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

oathtool: command not found

or when using sudo you get the following error message

sudo: oathtool: command not found

Solutions to oathtool: command not found

How To Fix oathtool: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu oathtool is provided by oathtool package.

oathtool is:

OATH Toolkit provide components to build one-time password authentication systems. It contains shared C libraries, command line tools and a PAM module. Supported technologies include the event-based HOTP algorithm (RFC 4226), the time-based TOTP algorithm (RFC 6238), and Portable Symmetric Key Container (PSKC, RFC 6030) to manage secret key data. OATH stands for Open AuTHentication, which is the organization that specify the algorithms.

This package contains the OATH Toolkit “oathtool” command line tool.

To fix this problem, we can install more using the command below.

sudo apt-get -y install oathtool

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install oathtool.

sudo apt -y install oathtool

Or if you have aptitude installed you can use the following command.

sudo aptitude install oathtool

Summary

In this tutorial we learn how to fix oathtool command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.