SREcon22 Europe/Middle East/Africa - An SRE Guide to Linux Kernel Upgrades
An SRE Guide to Linux Kernel Upgrades
Ignat Korchagin, Cloudflare
The Linux kernel lies at the heart of many high profile services and applications. And since the kernel code executes at the highest privilege level, it is very important to keep up with kernel updates to ensure the production systems are patched in a timely manner for numerous security vulnerabilities. Yet, because the kernel code executes at the highest privilege level and a kernel bug usually crashes the whole system, many engineers try to avoid upgrading the kernel too often just for the sake of stability. But not every kernel update is dangerous: there are bugfix/security releases (which should be applied ASAP) and feature releases (which should be tested better). This talk tries to demystify Linux kernel releases and provides guidance on how to safely and timely update your Linux kernel.
View the full SREcon22 Europe/Middle East/Africa program at https://www.usenix.org/conference/sre...
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