Note: This is NOT a Raspberry Pi specific question. It is a Linux System Administration question. Please do not try to have it removed from Server Fault.
I see many "Hello, World" level demos that are specific to [insert cloud hosting platform here], but none that are geared to being used on a single local machine. I was encouraged to see that Raspbian has cloud-init in its repository. That is exactly what I want to do. However, I cannot find any information on how to do it without a AWS, OpenStack, etc.
So, I guess what I really want to know is after you
apt-get install cloud-init, where do you put your config/userdata?
Update: I found some info on the NoCloud datasource, but I cannot add a volume labeled
cidata. So, that is out for me. (The volume that will hold my user-data is labeled