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NAT and Port Forwarding — A Beginner's Guide to Router Networking
Understand SNAT, DNAT (Port Forwarding), Hairpin NAT loopback, avoiding CGNAT traps, and safely hosting services from a home or office network.
Reverse Proxy Basics — One Front Door for All Web Services
Complete beginner guide to reverse proxies, forward vs reverse proxies, SNI routing, upstream headers (X-Forwarded-For), TLS termination, and choosing between Caddy and Nginx.
Docker Compose Patterns for the Homelab — Beginner to Pro
Complete beginner guide to organizing self-hosted services with Docker Compose, yaml syntax breakdown, persistent volumes, networking, and safe updates.
systemd Services and Timers — systemctl Survival Guide
Complete beginner guide to managing Linux background services, writing custom systemd unit files, viewing journalctl logs, and replacing cron with timers.
Fail2ban — Protect SSH and Web Services from Brute Force
Install, configure, and operate fail2ban to automatically block malicious IP addresses attempting brute-force logins.