Ubuntu server initialization checklist
Users, SSH keys, firewall basics, package mirrors, and service management.
Backend · Linux · Distributed Systems
Building, breaking, and writing things down.
A small personal space for backend engineering notes, server deployment records, container experiments, and the occasional lesson learned the hard way.
Recent notes
Updated occasionally, mostly when something finally works.
Notes on goroutines and graceful shutdown
Context cancellation, signal handling, and keeping background workers tidy.
Compose patterns for small services
Volumes, networks, environment files, health checks, and restart policies.
Rate limiting with sliding windows
A practical sketch using sorted sets, Lua scripts, and expiration cleanup.
Outbox pattern in backend services
Reliable message publishing when database transactions and queues meet.
Debugging DNS and TLS issues
Small commands that save a surprising amount of time during deployment.
Project logs
Small experiments, notes, and services running on cloud machines.
Personal deployment lab
A place to test reverse proxies, containers, logs, and monitoring setups.
CLI workflow notes
Shell snippets, Git habits, terminal tools, and small automation scripts.
Backend reading map
Topics worth revisiting: queues, caching, consistency, and observability.
About
This site is intentionally simple: static files, HTTPS, and notes that age slowly.