Originally Posted by kriken
I'm using Calibre for manage my books; but, I'd like share them with my friends using my Sinology NAS server.
Sorry if is a nonsense question.
Not a nonsense question. Here is a thread, [HOW TO] Install Calibre in Intel-Based NAS (and ARM-based NAS)
, that should help you get calibre news fetching and the content server running on an Intel based Synology DS411+II NAS or on a ARM based Synology DS211j NAS.