How To Install node-finalhandler on Debian 9

In this tutorial we learn how to install node-finalhandler on Debian 9. node-finalhandler is final HTTP responder - Node.js module

Introduction

In this tutorial we learn how to install node-finalhandler on Debian 9.

What is node-finalhandler

node-finalhandler is:

This package provides a middleware-style function to invoke as the final responding step for HTTP requests.

The object it receives as parameter is used to output an error with a given status code, and defaults to 404 Not Found.

It is particularly useful in express/connect applications.

Node.js is an event-based server-side JavaScript engine.

There are three methods to install node-finalhandler on Debian 9. 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-finalhandler 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-finalhandler using apt-get by running the following command:

sudo apt-get -y install node-finalhandler

Install node-finalhandler Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install node-finalhandler

Install node-finalhandler 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install node-finalhandler

How To Uninstall node-finalhandler on Debian 9

To uninstall only the node-finalhandler package we can use the following command:

sudo apt-get remove node-finalhandler

Uninstall node-finalhandler And Its Dependencies

To uninstall node-finalhandler and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove node-finalhandler

Remove node-finalhandler Configurations and Data

To remove node-finalhandler configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge node-finalhandler

Remove node-finalhandler configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge node-finalhandler

Dependencies

node-finalhandler have the following dependencies:

References

Summary

In this tutorial we learn how to install node-finalhandler package on Debian 9 using different package management tools: apt, apt-get and aptitude.