notes
What I know: how things work, plus the cheat sheets I keep open while working.
SSH Foundations notes 8 min 27 May 2026 How the handshake works, host keys, public-key authentication, the agent, port forwarding, and why permissions matter. SSH Cheat Sheet notes 1 min 27 May 2026 The SSH commands I keep looking up: key generation and copying, port forwarding, file transfer, jump hosts, and sshd hardening. Linux Foundations notes 5 min 04 Jan 2024 Components, distributions, the filesystem hierarchy, the shell, paths, redirection, and the permissions system.