How To Install node-diffie-hellman on Ubuntu 18.04
Introduction
In this tutorial we learn how to install node-diffie-hellman on Ubuntu 18.04.
What is node-diffie-hellman
node-diffie-hellman is:
Diffie–Hellman key exchange (DH) is a specific method of securely exchanging cryptographic keys over a public channel. The Diffie–Hellman key exchange method allows two parties that have no prior knowledge of each other to jointly establish a shared secret key over an insecure channel. This key can then be used to encrypt subsequent communications using a symmetric key cipher.
Node.js is an event-based server-side JavaScript engine.
There are three methods to install node-diffie-hellman on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install node-diffie-hellman Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install node-diffie-hellman using apt-get by running the following command:
sudo apt-get -y install node-diffie-hellman
Install node-diffie-hellman Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install node-diffie-hellman using apt by running the following command:
sudo apt -y install node-diffie-hellman
Install node-diffie-hellman 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 node-diffie-hellman using aptitude by running the following command:
sudo aptitude -y install node-diffie-hellman
How To Uninstall node-diffie-hellman on Ubuntu 18.04
To uninstall only the node-diffie-hellman package we can use the following command:
sudo apt-get remove node-diffie-hellman
Uninstall node-diffie-hellman And Its Dependencies
To uninstall node-diffie-hellman and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove node-diffie-hellman
Remove node-diffie-hellman Configurations and Data
To remove node-diffie-hellman configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge node-diffie-hellman
Remove node-diffie-hellman configuration, data, and all of its dependencies
We can use the following command to remove node-diffie-hellman configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge node-diffie-hellman
References
Summary
In this tutorial we learn how to install node-diffie-hellman package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
