One of the stretch goals for me writing this article was indeed to show between the lines how Prometheus Exporters, the OpenTelemetry Collector and Systemd can

One of the stretch goals for me writing this article was indeed to show between the lines how Prometheus Exporters, the OpenTelemetry Collector and Systemd can all work together. That is a very reusable skill on monitoring workflows running outside containers on Linux VMs or hosts.