All articles
The complete archive, organized by year. Each entry is a perspective on AI, security, infrastructure or design.
2026
8 articles- Educação
AI in Higher Education: When Practice Runs Ahead of the Rules
The first major national diagnostic shows that 89.7% of Portuguese institutions already have AI activity in at least one domain (in use or in development) — but only 14.7% have a policy in practice. The problem, says CNIPES, is no longer technological or ethical: it is institutional.
- Infraestrutura
K3s — Lightweight Kubernetes, from concept to production
What k3s is, how it works and when to choose it — certified Kubernetes in a 70 MB binary, from edge to production.
- Inteligência Artificial
Ollama: the complete guide to running AI locally with privacy
How to run LLMs like Llama 3, Gemma 2, or Mistral on your own machine — with no internet, no API costs, and full privacy. Installation, models, REST API, and use cases.
- Artigo
Why self-host on a Raspberry Pi cluster
I run my services on a three-Raspberry Pi Kubernetes cluster. I explain the stack — k3s, Longhorn, Traefik, cert-manager — and why, for certain use cases, it's worth it compared to a public cloud.
- Segurança
High availability: why 99.9% uptime is not enough
When 0.1% downtime means hours lost — the "nines" explained, the Google SRE error budget, and how to build truly resilient infrastructure.
- Infraestrutura
The firewall as the first line of defense: what you need to know
Network security fundamentals: what a firewall is, the types (stateful, NGFW, WAF, FWaaS), best practices, and the threats it must contain.
- Machine Learning
How do I get started with Artificial Intelligence in my business?
A practical guide to taking your first steps with AI — no advanced technical training required.
- Inteligência Artificial
Is Artificial Intelligence accessible to businesses of all sizes?
AI for everyone: how SMBs can adopt artificial intelligence without million-dollar budgets. Tools, real costs, use cases, and ROI — from open-source to SaaS.