How to setup server?

I’ve just installed Plex Media Server 1.32 on a headless Ubuntu server. When I visit the IP on port 32400, all I see is the front end. There is no way to configure the server for local media libraries. It gives me a link to install the server, as if it weren’t already installed. Is there some additional setup step to enable this?

This server is not on the same subnet, maybe that’s the issue. Is there some way to set up the server remotely?

https://support.plex.tv/articles/200288586-installation/
“On a different network”

Thank you, that was it! SSH tunnel worked.