Explore Prometheus, a popular monitoring and alerting system, in this 28-minute conference talk from linux.conf.au. Learn how to implement Prometheus in both small and large-scale environments, covering data collection methods, service discovery, alerting strategies, and storage solutions. Dive into display techniques using Grafana, including its challenges and best practices for creating effective dashboards. Discover additional concepts like RED and USE methodologies, as well as self-monitoring techniques. Compare implementation approaches for small, medium, and large sites, gaining valuable insights for deploying Prometheus across various infrastructure scales.