Architecture, Safety, and Basic Commands
Separate local and remote responsibilities, understand connection layers, and verify the correct server before changing it.
Separate local and remote responsibilities, understand connection layers, and verify the correct server before changing it.
A beginner-friendly path from networking, SSH, and Tailscale to UFW, Docker, Tmux, and operating multiple services.
Distinguish user and host keys, then disable password and root login with a multi-session safety procedure.
Understand the private network path, the Windows/WSL2 arrangement, and the distinction from the Tailscale SSH feature.
Stage temporary and interface-specific rules, verify fresh connections, and then remove public SSH safely.