Blog

Technical write-ups: filesystem internals, storage hardware, reverse engineering, and home infrastructure.

• 2026-08-21 Updating HP/Samsung PM9B1 NVMe Firmware on Linux (Because I Refused to Boot Windows) HP ships PM9B1 firmware as a Windows-only updater. Reverse engineering it in Ghidra yielded a verified, rebootless update via nvme-cli and a sysfs controller reset.