How To Install gunicorn3 on Debian 10

Learn how to install gunicorn3 on Debian 10 with this tutorial. gunicorn3 is Event-based HTTP/WSGI server (Python 3 version)

Introduction

In this tutorial we learn how to install gunicorn3 on Debian 10.

What is gunicorn3

gunicorn3 is:

Green Unicorn (gunicorn) is an HTTP/WSGI server designed to serve fast clients or sleepy applications. That is to say; behind a buffering front-end server such as nginx or lighttpd.

  • Optional support for Eventlet, Tornado and Gevent to provide asynchronous long-polling (“Comet”) connections.
  • Process management: Gunicorn reaps and restarts workers that die.
  • Easy integration with Django and Paster compatible applications (Pylons, TurboGears 2, etc.
  • Load balancing via pre-fork and a shared socket
  • Graceful worker process restarts
  • Upgrading without losing connections
  • Decode chunked transfers on-the-fly, allowing upload progress notifications or stream-based protocols over HTTP

This is the Python 3 version.

There are three methods to install gunicorn3 on Debian 10. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install gunicorn3 Using apt-get

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

sudo apt-get update

After updating apt database, We can install gunicorn3 using apt-get by running the following command:

sudo apt-get -y install gunicorn3

Install gunicorn3 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install gunicorn3 using apt by running the following command:

sudo apt -y install gunicorn3

Install gunicorn3 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 gunicorn3 using aptitude by running the following command:

sudo aptitude -y install gunicorn3

How To Uninstall gunicorn3 on Debian 10

To uninstall only the gunicorn3 package we can use the following command:

sudo apt-get remove gunicorn3

Uninstall gunicorn3 And Its Dependencies

To uninstall gunicorn3 and its dependencies that are no longer needed by Debian 10, we can use the command below:

sudo apt-get -y autoremove gunicorn3

Remove gunicorn3 Configurations and Data

To remove gunicorn3 configuration and data from Debian 10 we can use the following command:

sudo apt-get -y purge gunicorn3

Remove gunicorn3 configuration, data, and all of its dependencies

We can use the following command to remove gunicorn3 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge gunicorn3

Dependencies

gunicorn3 have the following dependencies:

References

Summary

In this tutorial we learn how to install gunicorn3 package on Debian 10 using different package management tools: apt, apt-get and aptitude.