An SRE Guide to Linux Kernel Upgrades

Explore the intricacies of Linux kernel upgrades in this 34-minute conference talk from SREcon23 Asia/Pacific. Delve into the critical importance of keeping the Linux kernel up-to-date for security and stability. Understand why many SREs and system administrators are hesitant to perform frequent kernel updates and learn how this approach can actually increase risks. Gain insights into the Linux kernel release process and policy, distinguishing between bugfix and feature releases. Discover strategies for implementing regular kernel upgrades with minimal risk, based on real-world practices at Cloudflare. Challenge common misconceptions about production kernel releases and learn how to balance stability with necessary updates in high-profile services and applications.