Explore painless system monitoring techniques in this 33-minute Devoxx conference talk. Learn how to choose and implement various monitoring services for production systems, comparing different options along the way. Discover the benefits of smart monitoring tools for managing multiple projects, servers, and external services efficiently. Gain insights into setting up reliable monitoring systems to prevent late-night emergencies and ensure smooth operations. Delve into topics such as Sensu architecture, dashboard configurations, data aggregation, metrics visualization, and centralized logging. Understand the importance of proper monitoring in maintaining system reliability and giving yourself peace of mind.