Linux Cheatsheet 04 — Networking
Cheatsheet: ip command, ss, nftables/iptables, DNS, routes.
Cheatsheet: ip command, ss, nftables/iptables, DNS, routes.
Cheatsheet: CNI plugins, pod-to-pod, kube-proxy modes, DNS, dual-stack.
End-to-end CDN design. Anycast routing, edge / regional / origin tiers, cache hierarchy, purge propagation, and the operational realities.
Why gRPC over standard load balancers misbehaves, the right balancing modes (client-side, mesh-aware), and the patterns from production gRPC fleets.
Why eBPF won the cloud-native networking layer in 2026. Cilium architecture, sidecarless service mesh, network policy at L7, mTLS, observability with Hubble + Tetragon + Pixie, and the migration path from Istio.
Everything an app developer should know about load balancers — L4 vs L7, distribution algorithms, health checks, sticky sessions, and which tools to reach for in 2026.