How To Install libotr5-dev on Kali Linux

In this tutorial we learn how to install libotr5-dev on Kali Linux. libotr5-dev is Off-the-Record Messaging library development files

Introduction

In this tutorial we learn how to install libotr5-dev on Kali Linux.

What is libotr5-dev

libotr5-dev 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 header files and static libraries needed to develop applications using libotr.

There are three methods to install libotr5-dev on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libotr5-dev Using apt-get

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

sudo apt-get update

After updating apt database, We can install libotr5-dev using apt-get by running the following command:

sudo apt-get -y install libotr5-dev

Install libotr5-dev Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libotr5-dev using apt by running the following command:

sudo apt -y install libotr5-dev

Install libotr5-dev Using aptitude

If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libotr5-dev using aptitude by running the following command:

sudo aptitude -y install libotr5-dev

How To Uninstall libotr5-dev on Kali Linux

To uninstall only the libotr5-dev package we can use the following command:

sudo apt-get remove libotr5-dev

Uninstall libotr5-dev And Its Dependencies

To uninstall libotr5-dev and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove libotr5-dev

Remove libotr5-dev Configurations and Data

To remove libotr5-dev configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge libotr5-dev

Remove libotr5-dev configuration, data, and all of its dependencies

We can use the following command to remove libotr5-dev configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libotr5-dev

Dependencies

libotr5-dev have the following dependencies:

References

Summary

In this tutorial we learn how to install libotr5-dev package on Kali Linux using different package management tools: apt, apt-get and aptitude.