Explore federated monitoring using open source technologies in this comprehensive conference talk. Delve into the importance of monitoring and its challenges, examining why traditional approaches fall short in modern application environments. Discover the pillars of observability and a three-tiered approach to Kubernetes monitoring. Learn about key monitoring pillars and embark on a journey through various tools, including Grafana integration and federation. Evaluate the strengths and limitations of Prometheus, and gain insights into Cortex as an advanced monitoring solution. Gain valuable knowledge from industry experts Sanchit Sandeep Pathak and Akhil John of Platform9 Systems, Inc. to enhance your understanding of effective monitoring strategies in complex, distributed systems.