whoami
Deep technical notes on operating systems, virtualization, cloud infrastructure, kernels, filesystems, emulation, and the history behind essential tools.
Design AWS Backup Vault Lock around recovery-point retention, governance versus compliance mode, the irreversible grace deadline, and tested restores.
Use the mTCP Telnet client for legacy BBS access while checking option negotiation, ANSI behavior, X/Ymodem limits, and plaintext network risk.
Plan bhyve PCI passthrough by verifying VT-d eligibility, reserving the correct function for ppt, wiring guest memory, and preserving host recovery.
Trace how Haiku resolves a control-look add-on, where its factory runs, and how to test custom appearance code without assuming ABI stability.
Use Linux TCP_INFO to inspect RTT, delivery, loss, and socket state while handling struct growth, field availability, sampling limits, and platform boundaries.
Decode macOS keyed archives with explicit class allowlists, stable keys, and bounded migrations without treating secure coding as authentication or validation.
Inspect Doom demo framing, shorttics and longtics input records, playback dependencies, and safe ways to reproduce desyncs without treating a demo as video.
Trace NES PPU palette indexing, universal-background aliases, grayscale masking, and emphasis output without hard-coding one console's RGB palette.
Use Nushell par-each for independent pipeline work while controlling worker threads, preserving row order, and preventing side effects from racing.
Parse long options with util-linux getopt, preserve argv boundaries, detect incompatible implementations, and constrain eval to parser-generated syntax.
Posts revised with new sources, corrected facts, or fixed links - not just new posts.