Just a few brief notes on the basics. It is assumed you are familier with Linux, PHP, WordPress, etc, and just want some additional information. This is mostly my personal notes in an easy to get to place.
Watch, Read, Listen

Raspberry PI Setup
use GParted to format SD to win32. sudo dd bs=4M status=progress if=~/Downloads/2018-06-27-raspbian-stretch.img of=/dev/sdc; sync NB note /dev/sdc, not /dev/sdb1. i.e. Must point to physical device, not partition. Edit config.txt on the SD to set hdmi hot plug support. put sd in the pi, plug in kb and monitor and boot. after install and upgrade process…