Hi RAFAL, I wrote the article above, and yes It needs an update which I am hoping to do soon. See, to interface with your media, you need a client of some sort. One of the things you could do, is set simple Apache server at home, so your media is acessible over teh web (I do the same for some cases, non-media files). Not sure what the other person meant, but you do need to sign into "My Plex" to access your server outside of your WLAN, if you are on the go. If control is paramount, look into OwnCloud, which has an Android application and web interfaces. E
Media Tomb is pretty nice, and just involves a little bit of router setup for outside your LAN. I play on doing a how to for this software as well, and it will make the list I will update above. This is a very good suggestion.
If you don't mind having to download the file, rather than stream it, I would set up an Apache server/folder. It is not as straightforward, but is workable. For a simple setup (
http://joeress.wordpress.com/2013/05...xubuntu-linux/), and if you are security minded (
https://wiki.archlinux.org/index.php/LAMP).
In a nutshell, you'll still have to log in SOMEWHERE, and I understand if you don't like the closed source backend portion of Plex. I would go with OwnCloud or MediaTomb.