The core of the functionality of Odoo comes from the addon modules. You have a wealth of addons available as part of Odoo itself as well as addon modules that you can download from the internet or write yourself.
In this recipe, we will show how to install and upgrade addon modules through the web interface and from the command line.
The main benefits of using the command line for these operations are being able to act on more than one addon at a time and having a clear view of the server logs as the installation or update progresses, which is very useful when in the development mode or when scripting the installation of an instance.
