From the command line

To install some new addons in your database, follow the following steps:

1. Find the names of the addons. This is the name of the directory containing the __manifest__.py file without the leading path.
2. Stop the instance. If you are working on a production database, make a backup.
3. Run the following command:

$ odoo/odoo-bin -c instance.cfg -d dbname -i addon1,addon2 \
 --stop-after-init

You may omit -d dbname if this is set in your configuration file.

1. Restart the instance.

To update an already installed addon module in your database, follow the steps given here:

1. Find the name of the addon module to update; this is the name of the directory containing the __manifest__.py file without the leading path.
2. Stop the instance. If you are working on a production database, make a backup.
3. Run the following command:

$ odoo/odoo-bin -c instance.cfg -d dbname -u addon1 \
 --stop-after-init

You may omit -d dbname if this is set in your configuration file.

1. Restart the instance.