Build network namespaces manually with Linux kernel tools. Create bridge-based isolation without Docker. Master networking fundamentals and debug containers.
Master Open vSwitch on Linux. Learn flow tables, KVM integration, VXLAN tunneling, SDN controllers, and QoS. Replace kernel bridges with OVS.
Set up hardened Tor v3 onion services with vanity addresses, client authorization, and comprehensive security hardening techniques.
Learn WireGuard mesh networking for homelabs with proper topology, routing, and keepalive settings. No single point of failure, direct peer connections.
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.
Configure Chrony for sub-millisecond time sync on Linux. How Chrony beats ntpd with adaptive polling, faster convergence, and system clock reliability.
Master WebSocket load balancing with nginx and HAProxy. Learn sticky sessions, HTTP Upgrade handshakes, and production patterns to eliminate connection drops.
Replace spreadsheets with NetBox or Nautobot for homelab IPAM. Free, open-source DCIM tools for managing IP space, devices, and network documentation locally.
Set up NSD for authoritative DNS with DNSSEC signing, zone transfers, and production-ready operations. A faster, more secure alternative to BIND.
