Ubuntu Pro ========== `Ubuntu Pro `__ is an enterprise subscription from Canonical Ltd that provides (among other features) extended security support after the standard end-of-life date. This is also referred to as Extended Security Maintenance (ESM). .. note:: `Salt does not support ESM `__. Installation ------------ #. `Purchase an Ubuntu Pro license `__ for *Physical servers with unlimited VMs* for the relevant Ubuntu version. A license cannot be purchased for VPS (like Linode). #. :doc:`SSH<../use/ssh>` into the server as the ``root`` user. #. Install the Ubuntu Pro Client: .. code-block:: bash apt install ubuntu-advantage-tools #. Attach the licence key: .. code-block:: bash pro attach TOKEN #. Disable advertisements: .. code-block:: bash pro config set apt_news=false