The Alert That Cried Wolf Twice a Day
Certbot runs twice a day to check if certs need renewal. The systemd unit restarted nginx both times, whether or not anything was actually renewed. Here’s how that got fixed.
Systemd
Quadlets All the Way Down: Migrating Wazuh Off docker-compose
Migrating Wazuh from docker-compose to systemd quadlets on kvm02 — and then immediately finding out the version is vulnerable.