>
> I use Munin -- http://munin.projects.linpro.no/ -- which has third party
> modules for nginx memory use, requests, and connections. You need to compile
> nginx "--with-http_stub_status_module" and have it enabled at the server
> level for the FQDN of your server.


I use Munin too, but have also found the nginxstats.py script at
http://hostingfu.com/article/quick-nginx-status-script useful for testing or
on-demand command line monitoring of nginx servers (all of which must have
the status module enabled).

Antonio