0.0.0.0as host will bind to all provided interfaces, all of which you can list with
ifconfig. You can be more selective if you want and provide a specific IP-address instead.)
a.b.c.dwith the public IP-address of your Cardano Node server, which you can find on the dashboard under IPv4 Public IP.
a.b.c.d:9090, pick one or more interesting metrics to graph and enjoy!