Fediverse
The euphoric post said it works. Half-truth. Federation works; every interaction (like, boost, reply, open article) silently dies. Here is the real fix: Apache AllowEncodedSlashes + nocanon, plus the hairpin-NAT gotcha.
ghost
There's a correct way to add ActivityPub to Ghost: buy Ghost from Ghost. This is a field report on the other way — six native Ghost blogs on NetBSD, behind Apache and Cloudflare, federated by hand across a hostile NAT, with exactly one self-inflicted 503 along the way.
Apache
I couldn't get my website https://odlicznik.pl/ obtaining certificate with certbot both with --apache plugin and certonly option as well. First method failed because certbot somehow couldn't find vhost in httpd-vhost.conf (which is included in httpd.conf) certbot-3.7 --apache --apache-ctl /usr/pkg/sbin/