Anyone have a letsencrypt free SSL cert HOWTO?

letsencrypt is in public beta now. It would be nice have a HOWTO on how to use this free service. Thanks.
forum.subsonic.org
http://forum.subsonic.org/forum/
IwishIcanFLighT wrote:After days of struggle, I've managed to make it work with Apache on Debian.
Proper ssl certificate, apache reverse proxy and even CloudFlare.
If some people are interested, I can write a tutorial if I can find some spare time.
Let me know