[06] // BLOG // WRITEUPS

ENGINEERING_NOTES.

SYNCING // VOTE_STATE

// ACCOUNT: ANON — voting is open, discussions need an account

2026-09-21 · #RUST #SECURITY #OPENSOURCE · 3_MIN_READ I ship open-source security tools solo — here's the full stack, the pricing, and the (zero) revenue so far SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-19 · #COMPILERS #PYTHON #BASH · 3_MIN_READ Externum: a typed language that transpiles to Python and Bash — and its own benchmark caught two real bugs SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-16 · #EBPF #RUST #LINUX · 3_MIN_READ Detecting ransomware with eBPF in Rust SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-15 · #RUST #BLOCKCHAIN #CONSENSUS · 3_MIN_READ Building a Solana-like validator in Rust: what PoH, Tower BFT and Sealevel actually force you to think about SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-15 · #WEB #TYPESCRIPT #DEBUGGING · 3_MIN_READ A web OS that 'never booted': the two bugs that looked like kernel failures but were 404s and z-index SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-14 · #EBPF #RUST #KERNEL · 3_MIN_READ eBPF verifier limits are a design constraint: what CO-RE field offsets and bounded loops taught me SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-13 · #EBPF #RUST #LINUX · 3_MIN_READ Catching ransomware with eBPF: what execve/openat tracing taught me about false positives SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

2026-09-13 · #SEO #AI #LLMS · 3_MIN_READ I made my portfolio readable to AI crawlers: llms.txt, JSON-LD and a 40-method distribution stack SIGNAL ▸ — SHIP_METER ▸ GIT_HISTORY MIRROR ▸ DEV_TO: PENDING · HASHNODE: PENDING · BLUESKY: PENDING · MASTODON: PENDING

// FULL_ARCHIVE: dev.to/bartoszosiej · // ONE_VOTE_PER_VISITOR · NO_TRACKERS · NO_COOKIES · // SITE_SESSIONS: — · // GRAVEYARD: EMPTY — 0_ABANDONED, EVERYTHING_ON_THE_ACCOUNT_IS_ALIVE

// BUILD_LOGS & PATCHES LIVE: t.me/hartwell_info — the Telegram channel of the lab