Installation: yum install -y mediatomb
Run as regular user: mediatomb # to initialize config file then Ctrl-C to stop it
Edit config file: ~/.mediatomb/config.xml
Change: <protocolinfo extend="to">
To: <protocolinfo extend="yes">
Find: <mappings>
Add afterwards:
<map from="avi" to="video/divx"/>
<map from="avi" to="video/x-divx"/>
Restart server as regular user: mediatomb &
Configure files to be server: Once the server start a URL will be shown on the Terminal, something like this:
2010-03-25 17:46:45 INFO: http://192.168.1.2:49152/
Open the URL on your browser, you will have two tabs: Database and Filesystem, browser your filesystem, and click on the "+" sign beside any file you would like to server on your Playstation 3. The files will show up under the Database tab once you've selected under filesystem.

Start your PS3: You should now have a new media server showing up under your Videos, Photos, Music icons.
More about mediatomb.

