It's a short and sweet guide to getting nginx up and running on Ubuntu using the CL but hopefully it will help someone else out.
Append the appropriate stanza to /etc/apt/sources.list.deb http://nginx.org/packages/ubuntu/ oneiric nginx
deb-src http://nginx.org/packages/ubuntu/ oneiric nginx
Install NGINXsudo -s
apt-get install nginx
Check it has workedw3m 127.0.01
This should return something like " Welcome to nginx!". If you are lookg for the .CONF file its at /etc/nginx/nginx.conf
For your next steps to see how NGINX processes a request read nginx.org/en/docs/http/request_processing.html then check out wiki.nginx.org/Main