The Barracuda CloudGen Access Vx can be deployed on various hypervisors using the virtual images provided by Barracuda Networks. The virtual appliance includes a custom CLI to provide easier management of the Barracuda CloudGen Access Proxy (Orchestrator + Envoy) and the Barracuda CloudGen Access User Directory Connector. Continue with How to Get Started With CloudGen Access Vx. Release notes are here: CloudGen Access on Vx Release Notes.
Note that the virtual appliance automatically updates packages to the latest proxy and connector builds, as well as latest security updates.