Episode 72 of The Linux Podcast explores why eBPF is displacing traditional kernel modules in modern Linux systems. Lucas and Luna break down how eBPF allows safe, dynamic code execution inside the kernel without the crash risk of loadable modules. They discuss real-world use cases like Facebook's Katran load balancer and Cilium for networking, plus the performance impact of eBPF vs. kernel modules. The episode also covers the recent addition of signed eBPF programs in kernel 6.10 and what it means for security. Perfect for sysadmins, DevOps engineers, and anyone curious about the future of Linux kernel extensibility.

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