Episode 39 of The Linux Podcast with Fexingo dives into live patching for Linux servers—a technique that applies critical security updates without rebooting. Lucas and Luna break down how major cloud providers and enterprise distros use live patching, the kernel mechanisms that make it possible (ftrace, jump labels), and the real-world impact on uptime. They also explore the trade-offs: performance overhead, patch compatibility, and why not every vulnerability can be live-patched. With specific examples from KernelCare, Canonical's Livepatch, and Red Hat, this episode gives system administrators practical insight into a technology that's transforming server maintenance.

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