Logstash and Elasticsearch architecture notes
A short checklist for ingestion-heavy Elastic stacks before performance issues become normal.
Learning / Notes
small configs/dot files
Shorter entries for database notes, system design patterns, tooling reminders, and practical operational checklists.
Manual Ubuntu patch flow
A compact flow for patching a vulnerable package manually without losing operational control.
uWSGI and Flask runtime notes
Quick reminders for production behavior in Flask apps served by uWSGI.
MySQL N+1 signals
Short notes for spotting N+1 behavior before it turns into a database fire drill.
GOMODCACHE CI notes
A quick checklist for treating the Go module cache as infrastructure instead of magic.