The two key components:
These are just some notes I took as I did my first run through on installing Ceph on some spare ECS Hardware I had access to. Note that currently, no one would actually recommend doing this, but it was a good way for me to get started with Ceph.
hstore is an option key=>value column type that's been around in postgresql for a long time. I was looking at it for a project where I want to compare "new data" to old, so I can approve it. There is a
hstore-hstore option that compares two hstore collections and shows the differences.
This is a narrative post. If you want to see my python program that calculates out the diode matrix, skip to the end or click here,
Finally connected my DVR to the network. It's an LaView lv-d0404bs (4-ch dvr). I searched all over and couldn't find an rtsp url for this model. Finally, I did what I should have done, and opened the source of the web page.