simply go to https://code.google.com/p/ps3mediaserve ... nload?tm=2
locate and download the linux binaries, extract the archive in a folder.
read the install instruction install.txt (ie: install the required dependencies : ffmpeg mediainfo mencoder openjdk-7-jre dcraw vlc: ) everything went fine.
then run PMS.sh to start Ps3mediaserver... finaly it was as simple as this.
here it is