01In progress
Networking
Packets, protocols, routing, failure, and the tools that let us see the wire.
Packets→Transport→Tools
Interactive field guides
Learn the system,
not the slogan.
These are structured lessons rather than chronological posts: each track starts with an intuition, makes the system move, and then connects the idea to real protocols and tools.
Every guide follows the same loop
- 01 Build an intuition
- 02 Make it move
- 03 Break it carefully
- 04 Inspect the real thing
Available now
Start with networking
No prerequisites · interactive
Course 01
How packets move
through the internet
Follow a packet from A to B, lose it on purpose, and watch UDP, TCP, and QUIC react differently.
Begin the visual guideCurriculum
A connected map, not a pile of articles
02Planned
Distributed systems
Replication, consensus, clocks, and what happens when a machine disappears.
03Planned
Systems
Processes, memory, scheduling, and the machinery between code and hardware.