Container Networking
Debugging Container Networking
how to debug container networking with nsenter and tcpdump inside namespaces, and systematically diagnose connectivity failures
stay in the loop
/ what's next
Networking Fundamentals done.
Time to do some coding. Here's where you can go from here.
lab
SeaChart: Build Your Own DNS Resolver
Understand DNS from the ground up by building a recursive resolver. Parse binary protocols, query root servers, follow delegation chains, and implement caching.
start lab →lab
Build Your Own HTTP Server
Build an HTTP server from raw TCP sockets. No frameworks, no libraries - just you and the protocol specification. Understand exactly what happens when browsers talk to servers.
start lab →
Notes & Highlights