Packet To Sniff

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  1. Lab · Retrieval-augmented generation

    Build a tiny RAG system in Python

    Build a working retrieval-augmented generation pipeline in about 60 lines of Python: chunk notes, retrieve with TF-IDF, build a grounded prompt, and inspect every step.

  2. Lab · Networking

    Watch a TCP handshake in Wireshark

    Capture your own web traffic in Wireshark, find the TCP three-way handshake, compare it with a UDP DNS lookup, and learn the display filters analysts use every day.