otpclient command not found

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

Introduction

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

otpclient: command not found

or when using sudo you get the following error message

sudo: otpclient: command not found

Solutions to otpclient: command not found

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

In Ubuntu otpclient is provided by otpclient package.

otpclient is:

OTPClient is GTK+ software for two-factor authentication that supports both Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP).

Features:

  • Support both TOTP and HOTP.
  • Support setting custom digits (between 4 and 10 inclusive).
  • Support setting a custom period (between 10 and 120 seconds inclusive).
  • Support SHA1, SHA256 and SHA512 algorithms.
  • Support for Steam codes.
  • Import encrypted Authenticator Plus backup.
  • Import and export encrypted and/or plain andOTP backup.
  • Import and export plain FreeOTPPlus backup (key URI format only).
  • Import and export plain Aegis backup (plain json only).
  • Local database is encrypted using AES256-GCM.
    • Key is derived using PBKDF2 with SHA512 and 100k iterations.
    • Decrypted file is never saved (and hopefully never swapped) to disk. While the app is running, the decrypted content resides in a “secure memory” buffer allocated by Gcrypt.

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

sudo apt-get -y install otpclient

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

You can also use apt command to install otpclient.

sudo apt -y install otpclient

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

sudo aptitude install otpclient

Summary

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