Explore the powerful kernel livepatch feature in this 39-minute conference talk from Ubuntu Summit 2022. Dive deep into the inner workings of kernel livepatching, which enables millions of servers worldwide to operate continuously without reboots. Discover the limitations and challenges involved in preparing a livepatch, and learn how to create both simple and advanced livepatch modules from scratch. Gain insights into accessing non-exported kernel functions when developing livepatches. Presented by Marek Maślanka, this informative session provides a comprehensive overview of kernel livepatching technology and its practical applications in maintaining server uptime.