Notes and articles on infrastructure and technology

Infrastructure

Enterprise Linux in 2026: from the rise of immutable distros to desktops decoupled from the base system

From the rise of immutable distros to desktops that decouple from the base system: the decisions worth reviewing today before…

IT operations

How to Choose an IT Provider Without Regrets Two Years Later

A practical guide to evaluating an IT provider before signing: ownership of documentation, service indicators, who actually…

Infrastructure

Plan México tax incentive: what it means for your network and video surveillance investment

The Plan México tax incentive decree allows deducting up to 91% of the investment in new fixed assets and an additional 25%…

Artificial intelligence: what moved in September and what to watch in October

A review of the fronts that are shaping the conversation about AI —models, agents, costs, regulation and security— and the…

Artificial Inteligence

Ethics and Best Practices in AI-Assisted Software Development

AI already writes code on many teams. These are the rules of judgment, review, and accountability that keep speed from turning…

Cybersecurity on Ubuntu mail servers: how they attack and how to defend yourself

Mail servers are one of the most targeted assets by attackers. We review the most common vectors in Ubuntu environments and the…

Vibe coding vs. SDD (Spec Driven Development): two ways of working with AI

Vibe coding prioritizes speed and exploration; spec-driven development prioritizes clear agreements and traceability. They are…

IT operations

Alerts nobody answers: when monitoring becomes noise

A dashboard with two hundred alerts a day protects nothing. How to fine-tune rules so every notification has an action behind it.

Infrastructure

Backups nobody has restored: the silent risk

A backup that has never been restored is not a backup: it is a hope. How to prove in one afternoon that your copies work.