How To Install gunicorn on Ubuntu 22.04

In this tutorial we learn how to install gunicorn on Ubuntu 22.04. gunicorn is Event-based HTTP/WSGI server

Introduction

In this tutorial we learn how to install gunicorn on Ubuntu 22.04.

What is gunicorn

gunicorn 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

There are three methods to install gunicorn on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install gunicorn Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install gunicorn

Install gunicorn Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install gunicorn

Install gunicorn 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 gunicorn using aptitude by running the following command:

sudo aptitude -y install gunicorn

How To Uninstall gunicorn on Ubuntu 22.04

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

sudo apt-get remove gunicorn

Uninstall gunicorn And Its Dependencies

To uninstall gunicorn and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove gunicorn

Remove gunicorn Configurations and Data

To remove gunicorn configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge gunicorn

Remove gunicorn configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge gunicorn

References

Summary

In this tutorial we learn how to install gunicorn package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.