Longhorn iSCSI I/O stalls and memory pressure were freezing k3s nodes and requiring physical power-button reboots. How kdump revealed what journald couldn't.
CIFS mounts in Kubernetes have no reliable timeout option on most kernels. Every obvious fix fails. This documents what was tried, what the kernel actually supports, and the sidecar pattern that works.
Key-only SSH and Tailscale on Steam Deck / SteamOS that survive every update — the atomic update whitelist for SSH and the official deck-tailscale installer, explained.
Building a 6-bay NAS with a Raspberry Pi 5 and an ASM1166 SATA controller — including the silent boot hang caused by the Pi 5's MSI implementation.