Everything messed up

I just get my blog online trough a ngynx server (my raspberry pi) but everyting is kind of messes up, i configure trought this tutorial http://www.cnx-software.com/2012/08/03/wordpress-for-raspberry-pi-using-nginx-and-mysql/

and here is my blog
Lifeonpi.sytes.net

1º You need to access directly to Lifeonpi.sytes.net/index.html or it shows up error message

2º To log in got to go directly to http://lifeonpi.sytes.net/wp-login.php the usual wp-admin gives error message to

3ºAfter logging in it goes to http://lifeonpi.sytes.net/wp-admin which gives error message so for me to get to the dashboard need to go to http://lifeonpi.sytes.net/wp-admin/index.php

basically nothing works please somebody help me getting crazy here.
Sorry for my english my first language isn’t english