You're right that there's a lot of nuance to the set up. I think listing that directory will solve the "it's 4:00 am and you want to know if nginx will start on

You're right that there's a lot of nuance to the set up. I think listing that directory will solve the "it's 4:00 am and you want to know if nginx will start on boot" scenario, but you're right that you need to understand the system in more detail if you were to build tooling around it.