Your Own CDN for $10/month: Geographic Edge Caching with Nginx and Docker
Build a global CDN with Nginx for $10/month. Route traffic to edge nodes by location, cache static content faster, and save vs. Cloudflare Pro.
Networking
Chrony for Sub-Millisecond Time Sync: The Configuration That Actually Beats ntpd
Configure Chrony for sub-millisecond time sync on Linux. How Chrony beats ntpd with adaptive polling, faster convergence, and system clock reliability.
WebSockets at Scale: nginx, HAProxy, and Sticky-Session Load Balancing That Actually Works
Master WebSocket load balancing with nginx and HAProxy. Learn sticky sessions, HTTP Upgrade handshakes, and production patterns to eliminate connection drops.
Stop Managing Your Homelab in a Spreadsheet: NetBox and Nautobot for Real IPAM/DCIM
Replace spreadsheets with NetBox or Nautobot for homelab IPAM. Free, open-source DCIM tools for managing IP space, devices, and network documentation locally.
NSD Authoritative DNS: Zone Signing, Transfers, and a Real Ops Playbook
Set up NSD for authoritative DNS with DNSSEC signing, zone transfers, and production-ready operations. A faster, more secure alternative to BIND.