Hands-on pages for building real intuition about technical subjects — click, drag, and step through concepts instead of just reading about them. Pick a subject to start.
Twelve interactive pages from OSI layers and subnetting through TCP/UDP, DNS, routing, firewalls, containers, and Kubernetes.
🔒The TLS handshake, how attackers exploit the mechanisms you've already learned, and how DNS gets secured (or spoofed).
☸️Architecture, control plane and node components, workloads and scheduling, storage, policy, and the extensibility ecosystem.
🖥️Hypervisors, CPU and memory virtualization, device and storage emulation, and QEMU/libvirt hands-on practice.