Explore the world of observability in this 36-minute conference talk that delves into leveraging cloud-native technologies beyond traditional cloud environments. Discover the core principles of Prometheus and its role in monitoring systems. Learn about the main selling points of time series data, the ease of emitting, parsing, and reading metrics, and the scalability of Prometheus. Gain insights into OpenMetrics and the three pillars of observability. Examine Loki's capabilities in log aggregation and its connection to distributed tracing. Understand the complexities of modern systems, the importance of Site Reliability Engineering (SRE) as an implementation of DevOps practices, and the significance of shared understanding in maintaining services. Dive into the essentials of alerting and how it fits into the observability landscape.