# networking

A data-driven playbook for cutting AWS costs across compute, storage, networking, and reserved capacity with real numbers and actions.

Linux networking commands cheat sheet for troubleshooting — interfaces, routing, DNS lookups, connections, iptables firewalls, and tcpdump packet capture.

A practical comparison of Kubernetes Ingress and Gateway API, with a migration strategy that won't take down your production traffic.

How to implement zero-trust networking in Kubernetes using NetworkPolicies — deny by default, allow by exception, and sleep better at night.