I work on backend infrastructure: Linux servers, Postgres, and the unglamorous parts of networking.
This site is where I write down things I had to figure out twice — mostly so the next time takes ten minutes instead of an evening.
Recent notes
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Reading a packet capture without guessing
A short list of questions I ask before opening Wireshark, and why the first useful filter is usually not the one you think.
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Postgres on a two-core VPS: what actually matters
Memory settings, one honest benchmark, and the two parameters that made the difference when the box started swapping.
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A lab notebook for infrastructure work
Why I keep one file per week, what goes in it, and the small habit that finally made old incidents searchable.