The --http-port=<port> command option (or just -p <port>) allows us to change the listening port of a server instance from the default 8069. This can be used to run more than one instance at the same time, on the same machine.
The --http-port server option was introduced in Odoo 11.0 and replaces the old --xmlrpc-port option, used in previous versions.
Let's try this out. Open two terminal windows. On the first, run this:
$ ~/odoo-dev/odoo/odoo-bin --http-port=8070
Run the following command on the second terminal:
$ ~/odoo-dev/odoo/odoo-bin --http-port=8071
There you go, two Odoo instances on the same server listening on different ports! The two instances can use the same or different databases, depending on the ...
