Dual-stack service checks
A compact checklist for confirming routes, listeners, DNS, and application behavior across IPv4 and IPv6.
Draft in progressInfrastructure · Networking · Reliability
Practical notes from systems that need to stay boring.
A small collection of deployment checklists, network experiments, and operational references maintained by Init6 Systems.
Latest notes
Field references
Short, implementation-focused material for day-to-day operations.
Small-server service hygiene
Keeping unit ownership, restart behavior, logs, and resource limits understandable on long-lived hosts.
Draft in progressCertificate renewal runbook
What to verify before an automated renewal, and how to confirm the new certificate is actually in use.
Draft in progressWorking area
Small tools, quiet infrastructure.
Route LensNetwork path comparison
Cert WatchCertificate expiry reminders
Host NotesRepeatable server checklists
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Built as a durable home for technical notes.
This site is intentionally lightweight: static pages, minimal dependencies, and content that remains useful after the tooling around it changes.