otr_sesskeys command not found

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

Introduction

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

otr_sesskeys: command not found

or when using sudo you get the following error message

sudo: otr_sesskeys: command not found

In Ubuntu otr_sesskeys is provided by libotr5-bin package.

libotr5-bin is:

OTR allows you to have private conversations over IM by providing:

Encryption
- No one else can read your instant messages.
Authentication
- You are assured the correspondent is who you think it is.
Deniability
- The messages you send do not have digital signatures that are checkable by a third party. Anyone can forge messages after a conversation to make them look like they came from you. However, during a conversation, your correspondent is assured the messages they see are authentic and unmodified.
Perfect forward secrecy
- If you lose control of your private keys, no previous conversation is compromised.

This package contains the program files for the OTR library.

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

sudo apt-get -y install libotr5-bin

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

You can also use apt command to install libotr5-bin.

sudo apt -y install libotr5-bin

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

sudo aptitude install libotr5-bin

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