Luke Oliff · Blog
Writing.
Original posts, published first on this site. Imported posts live in the archive.
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273 posts
2026
Slack is your remote team's social media. Treat it like it.OriginalI've worked remotely for nine years, four and a half at Deepgram. Slack is your remote team's social media, and you should treat it that way.Opinion
TIL: Testing Network Latency With ping Custom Payload SizesOriginalping -s sends packets larger than the default 56 bytes. Test how your connection handles audio-sized payloads before blaming the API.TIL
TIL: Running TypeScript Directly With tsxOriginaltsx executes TypeScript files with zero config using esbuild under the hood. Faster than ts-node and handles ESM and CJS automatically.TIL
TIL: Chaining Shell Commands With && vs ; vs ||OriginalChaining shell commands with && runs the next only on success, ; runs it regardless, and || runs it only on failure. Pick wrong and CI hides a broken build.TIL
2025
TIL: Finding Processes on a Port With lsof -iOriginallsof -i :PORT shows which process is holding a port. End the 'what is already running on 3000' guessing game for good.TIL
TIL: Reading Gzip Files Without Decompressing With zcatOriginalzcat streams a gzip file straight to stdout without writing a temp copy. Read compressed logs, CSVs, or JSON directly into your pipeline.TIL
TIL: Comparing Directory Trees With diff -rOriginaldiff -r compares two directories recursively, showing every file that differs. Verify that a build output matches between two branches.TIL
TIL: Generating Trusted Local HTTPS Certs With mkcertOriginalmkcert creates locally-trusted TLS certificates in one command. Your browser trusts them instantly — no more self-signed cert warnings.TIL
TIL: Running TypeScript Directly With ts-nodeOriginalts-node compiles and executes TypeScript in memory, so quick scripts and SDK examples run with no build step and no tsc --watch loop to babysit.TIL
TIL: Finding Disk Usage Per Directory With du -shOriginaldu -sh reports disk usage per directory in human-readable form, so you can find what is filling a drive without clicking through a GUI.TIL