Rafael Gómez
Network & Security Engineer
Tutorials, guides and opinions on IT, networking, security and automation
Latest posts
No-Subscription Repositories on Proxmox VE: Clear the Notice and Update
Proxmox VE installs with the enterprise repositories enabled, and those require a paid subscription. The result is that apt update fails the…
Install AdGuard Home with Docker: Secure DNS and Ad Blocking
Step-by-step guide to installing AdGuard Home with Docker Compose. Block ads, trackers and malware across your whole network with secure DNS (DoH/DoT).
Vibe Coding in 2026: A Practical Guide to Building with AI
What vibe coding is, when to use it, and a practical method with guardrails (security, tests and review) so you can build…
Your Own 24/7 Personal AI Assistant: Install OpenClaw on Linux
OpenClaw (formerly Clawdbot) is an open source personal AI assistant you run on your own server. It connects to WhatsApp, Telegram, Slack…
Automation in 2026: Bit Flows as a Practical WordPress Option
Disclosure: this article contains affiliate links. If you buy through them I earn a commission, at no extra cost to you. I…
Automate Everything: ActivePieces with Docker and Cloudflare Tunnels
Deploy ActivePieces on your own server with Docker and Cloudflare Tunnels: no open ports, no manual certificates and no per-run billing. Unlimited,…
Networking and Security
Private Global Access: Your Internal Services on the Tor Network
Want to reach your internal services without opening ports or buying a domain? The Tor network gives you anonymity and global access.…
Expose Internal Services Without Opening Ports: Cloudflare Tunnel
Exposing your internal services has never been this safe. With Cloudflare Tunnels you can connect your apps to the outside world without…
How to Connect Your Domain to Cloudflare for Free
Connecting your domain to Cloudflare, whether for self-hosted projects or cloud services, improves performance, protects your infrastructure and optimizes content delivery. Learn…
My journey
Starting a Tech Career as an Immigrant: My Story and Advice That Works
Being an immigrant and starting a career in technology is hard, but not impossible. I share my own experience and practical advice…
My First IT Certification: The Start of My Journey in Tech
Getting started in IT can be daunting, and picking your first certification is key to opening doors. In this post I share…