To run the web application you must run first the webserver.
From the folder ./web.py run the following command:

> python controller.py

By default the webserver will run on port 8080
To run the webserver on a different port you can run the command as follows:

> python controller.py 1234

The above command will run the webserver on the port 1234

After running the webserver you can access the web application via http://localhost:[port]

To run the script updating the warning from the database
From the folder ./web.py run the following command:

> python update_warnings.py