Discover how Penn State's software engineering team leveraged Linkerd to schedule and manage 68,000 COVID-19 tests in this informative conference talk. Learn about the challenges faced in building a HIPAA-compliant testing and scheduling system, and how Linkerd's security and observability features proved crucial. Explore the process of identifying bottlenecks and bugs under high load, and gain insights into utilizing Linkerd for securing, monitoring, and troubleshooting microservice-based systems. Follow the team's journey from initial setup to final implementation, covering topics such as cluster layout, terminal setup, monitoring, testing, and dashboard creation. Gain valuable knowledge on how to effectively use Linkerd in large-scale, mission-critical applications.