Just install the generator... locally it was working perfect... when i upload to server i got the following error:
HTTP/1.1 401 Unauthorized
date: Thu, 16 Jan 2014 14:07:36 GMT
server: Apache/2.4.6 (Ubuntu)
www-authenticate: Basic realm="restricted area"
content-type: text/html; charset=iso-8859-1
and it didn't create a sitemap...