I recently posted on how to host WordPress for free using Oracle VM, this is a follow-up post to show how to run a VPN server on the same machine. The easiest is to follow Oracle’s official post “Launching Your
Google Cloud SQL(Postgresql) to enable private IP
Due to security requirement, most companies don’t allow Google Cloud SQL (Postgresql) to be accessible via public IP. This article shows how to configure private IP for the db so that a web service built on App engine can communicate