How To Install python3-flask on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python3-flask on Ubuntu 18.04.
What is python3-flask
python3-flask is:
Flask is a micro web framework for Python based on Werkzeug, Jinja 2 and good intentions. A minimal Flask application looks like that:
from flask import Flask app = Flask(name)
@app.route("/") def hello(): return “Hello World!”
if name == ‘main’: app.run()
This package contains the Python 3.x module.
There are three methods to install python3-flask on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install python3-flask Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install python3-flask using apt-get by running the following command:
sudo apt-get -y install python3-flask
Install python3-flask Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python3-flask using apt by running the following command:
sudo apt -y install python3-flask
Install python3-flask 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 python3-flask using aptitude by running the following command:
sudo aptitude -y install python3-flask
How To Uninstall python3-flask on Ubuntu 18.04
To uninstall only the python3-flask package we can use the following command:
sudo apt-get remove python3-flask
Uninstall python3-flask And Its Dependencies
To uninstall python3-flask and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python3-flask
Remove python3-flask Configurations and Data
To remove python3-flask configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python3-flask
Remove python3-flask configuration, data, and all of its dependencies
We can use the following command to remove python3-flask configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python3-flask
References
Summary
In this tutorial we learn how to install python3-flask package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
