How To Install gunicorn3 on Debian 9
Introduction
In this tutorial we learn how to install gunicorn3 on Debian 9.
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 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 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 9
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 9, 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 9 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 9 using different package management tools: apt, apt-get and aptitude.
