Videos

2:13:14

Artificial Intelligence

AI Agents Full Course 2026: Master Agentic AI

Nick Saraev's two-hour course on building agentic AI: the loop, tools, planning, and shipping something that runs on its own rather than a chat that answers. The long-form companion to the agentic AI articles.

29:08

Artificial Intelligence

Claude in 29 Minutes

Tina Huang's half-hour orientation to working with Claude: prompting that actually holds up, projects and context, and where the model earns its keep day to day. A sensible first watch if you are new to AI assistants.

4:10:43

Artificial Intelligence

Claude Code Full Course: Build and Sell (2026)

Nick Saraev's four-hour course on Claude Code, from first install through building and shipping real work with it. Long, but it is the practical end of the introduction — agentic coding rather than chat.

59:48

Artificial Intelligence

Intro to Large Language Models

Andrej Karpathy's hour-long primer on what an LLM actually is: the two files that make up a model, how training works, and where the capabilities and the failure modes come from. The best single explanation of the field for engineers.

18:40

Artificial Intelligence

But What Is a Neural Network?

Chapter one of 3Blue1Brown's deep learning series — neurons, layers, weights and biases, built up visually from a digit recogniser. Start here if the mathematics is the part that has never quite landed.

24:14

Virtualization

Proxmox Ceph Cluster Tutorial

Craft Computing builds a Proxmox cluster on Ceph end to end, with the network separation and OSD layout decisions explained as they are made.

51:43

Database

Understanding PostgreSQL Query Plans (aka EXPLAIN)

Stephen Frost at PGConf NYC 2022, working through real EXPLAIN ANALYZE output: where to look first, what the numbers mean, and how to tell a planner problem from an indexing problem.

30:15

Networking

BGP Security: Hijack and Route Leak Detection

A DKNOG session on the anatomy of the route leaks and hijacks that made the news, how each was detected, and the filtering that would have prevented them.

45:47

Linux

Security and Sandboxing with systemd

Lennart Poettering on the sandboxing directives themselves — namespaces, capability bounding, seccomp filtering — and which ones a service will actually tolerate.