Notes
Short write-ups, mostly about infrastructure. No schedule.
-
Reading a packet capture without guessing
Questions to ask before opening Wireshark, and the filters that earn their place.
-
Postgres on a two-core VPS: what actually matters
Memory, one honest benchmark, and the parameters that stopped the swapping.
-
A lab notebook for infrastructure work
One file per week, dated entries, and why it beats a wiki for incident work.