Linux Traffic Shaping with tc and HTB: Bandwidth Control That Actually Works
Learn practical Linux traffic shaping with tc and HTB. Control bandwidth, prevent network saturation, implement QoS rules that survive reboots.
Networking
GKE Gateway API with Multi-Cluster Ingress: A Working Setup From Scratch
Master GKE Gateway API for multi-cluster load balancing. Replace traditional Ingress with flexible, standardized routing across your Kubernetes clusters.
Stop Paying for Tailscale: Run Your Own Control Plane with Headscale (ACLs, Routes, MagicDNS)
Run your own Tailscale control plane with Headscale. Setup ACLs, subnet routes, and MagicDNS on your self-hosted WireGuard mesh.
Blocking 500K IPs Without Melting Your Firewall: ipset + nftables Done Right
Scale IP blocking to 500K+ entries with ipset and nftables. Replace slow iptables rules with O(1) hash lookups for production firewall reliability.
WireGuard: The Three Things Nobody Explains Right (Keepalive, MTU, Roaming)
Learn why WireGuard tunnels mysteriously stop working and how PersistentKeepalive, MTU, and roaming fix NAT issues. Deep dive beyond basics.
gRPC in Rust with Tonic: Codegen, Interceptors, and TLS From Scratch
Build production-ready gRPC services in Rust with Tonic. Learn proto definition, code generation, interceptors, and TLS setup.
RDMA on Linux Without a Datacenter Budget: RoCE, iWARP, and NVMe-oF for Self-Hosters
Learn RDMA on Linux for self-hosters. RoCE and iWARP setup guide to boost storage and network performance for Ceph, NVMe-oF, and ML workloads.
SSE at Scale: Backpressure, Connection Limits, and Real-World Recipes
Learn to deploy SSE at scale: backpressure, connection limits, and proven patterns. Handle file descriptors, proxies, slow clients, and streaming challenges.
Backpressure Across Systems: How Kafka, gRPC, and HTTP/2 Actually Handle Saturation
Master backpressure in Kafka, gRPC, and HTTP/2. Prevent queue overflow, cascade failures, and saturation in production.
Pi-hole vs AdGuard Home: Which DNS Blocker Actually Wins in 2026?
Pi-hole vs AdGuard Home: Compare DNS blockers for 2026. Which solution wins for home networks? Architecture, features, Docker setup, and performance details.