Introduction
In this tutorial we learn how to install gunicorn
on Ubuntu 20.04.
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 20.04. 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 20.04
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 20.04, 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 20.04 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 20.04 using different package management tools: apt
, apt-get
and aptitude
.