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Technical content on artificial intelligence, cybersecurity and infrastructure. No ads, no affiliate links, no commercial agenda. Just honest documentation of real experiences, written in two languages and open to anyone who finds it valuable.
AI & Cognitive Amplification
Artificial intelligence as a tool to enhance natural abilities, productivity, and transformation.
Popeye's Spinach - The article that started it all: how AI unlocks natural abilities
Popeye's Spinach II: The Framework - The scientific framework behind cognitive amplification
Anatomy of a good prompt - The 4 components of an effective prompt
AI isn't coming for your job - Tasks vs. professions: the distinction that matters
Light at the End of the Tunnel - Jensen Huang and the future of work with AI
The Finger Over the Sun - AI, energy and the dichotomy of progress
Installing Claude Desktop with Cowork on Windows 11 - Install guide, architecture, risks, and best practices.
How a Language Model Is Actually Built - The three phases that turn a neural network into ChatGPT.
Practical Cybersecurity
Key concepts and techniques to protect infrastructure, data, and operations.
Mail domain onboarding - Complete checklist for MS365 and Google Workspace before the first mailbox
Parked domains: 4 DNS records to stop anyone using them against you - Protect non-email domains against phishing and spoofing
Detect a phishing in 10 seconds - 5 signs that give away a malicious email
MTA-STS: armoring your email - The protocol everyone should configure
AI and Cybersecurity in the Office - Essentials for non-technical professionals
The McKinsey AI Hack - When AI amplifies classic vulnerabilities
When Your Friend Isn't Your Friend - How to spot an email from a hacked account and protect your own.
OpenClaw & Self-Hosted AI
Implementation and operation of private, self-managed AI solutions.
Implementing OpenClaw - Installation, hardening and Google Workspace
OpenClaw Part 2 - Voice AI, 1Password, and real costs
The day I spent $83 on tokens - Lessons in AI API cost management
Updated My AI Gateway and Everything Broke - What can go wrong when updating self-hosted AI
How to Update Your AI Gateway - The step-by-step guide to not breaking anything
An Update Protocol That Turns Failures Into Routine - How a well-prepared rollback turns a failure into a low-risk decision
Infrastructure & Cloud
Architecture, deployment, and management of modern infrastructure.
From repo to website in 5 minutes - GitHub + Cloudflare Pages
SSO with Google Workspace & Cloudflare - Zero Trust step by step
Remote office network deployment - FortiGate, Meraki and the real world
MS365 metrics dashboard - Graph API + Python + Power BI
SEO for a Bilingual Blog on Astro + Cloudflare Pages - What I actually implemented to rank in two languages
Si prefieres leer en español, todos los artículos están disponibles en Español.