A wildcard certificate can only be issued through the DNS challenge, which means whatever renews it can write records in your zone — and the default API token…
systemctl reload nginx with a broken configuration leaves the old one running and reports success in a way that is easy to miss, right up until the next…
A development machine that builds images daily accumulates dangling layers, stopped containers and orphaned volumes, and none of it is visible until the disk fills. -a –volumes is…