Let’s Encrypt is so easy to use, you don’t have to really understand everything that’s going on.
Which is a problem when things go haywire months later. Very
Anyway, note-to-self that there’s SSL ”stuff” in each
.conf file but ALSO in the
ssl.conf file (which was still pointed at a prior set of key-files.)
apachectl configtest is handy for spotting typos.