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BorgShield: Sistema de Backup Linux Eficiente, Fiable y Verificable
Un análisis técnico basado en BorgBackup para entornos Debian/Ubuntu Autor: Arcadio Ortega Reinoso Versión del sistema: 2.1.0 Fecha: Julio 2026 Plataforma objetivo: Debian 11+ / Ubuntu 22.04+ (x86_64) Puedes encontrarlo en: BorgShield Resumen Este documento presenta el diseño, la implementación y la evaluación de backup.sh, un sistema de backup para Linux orientado a disco externo local. El sistema se basa en BorgBackup como motor de almacenamiento deduplicado, cifrado y comprimido. Se analizan
Why Dark Mode Should Not Be a Second CSS File
Dark mode often begins with a simple idea: styles.css dark.css The light theme lives in one file. Dark-mode overrides live in another. For a small interface, this can appear perfectly reasonable. But as the application grows, the two files begin to behave like two separate implementations of the same UI. A component changes in styles.css. The corresponding rule in dark.css is forgotten. A new hover state is added. A focus ring is updated. A disabled style changes. Now every improvement to the de
Next-Token Prediction: How an AI Actually Writes Text (Not Magic — Just Probability)
📺 Prefer to watch? 90-second YouTube Short · 💬 Telegram Originally published on software-engineer-blog.com. Ask an AI the same question twice. Get two different answers. That's not a glitch you tolerate — it's the entire mechanism working exactly as designed. Start below the buzzword: a language model never sees a finished sentence. It only ever answers one tiny question, over and over — given everything written so far, what's the next chunk of text? One-line mental model: the model outputs a
AI Prompt Templates for Prometheus Alerting
Writing good Prometheus alerts is hard. Most alerts are too sensitive (page on every blip), too lax (miss real outages), or missing context (no runbook, no labels, no severity routing). AI assistants are unusually good at the grunt work of alert authoring — if you prompt them right. Why generic alert generators fail Type "write me a Prometheus alert for high CPU" into any AI and you'll get: - alert: HighCPU expr: cpu_usage > 80 for: 5m Three things wrong already: cpu_usage isn't a real Prometheu
The Simplest Explanation: What a 700-Year-Old Idea Teaches Us About AI
There is a very old theory that I learned about in my high school science class many years ago, and as we see AI become even more mainstream, I keep thinking about it. It's a theory known as Occam's razor. Occam's razor says that when two explanations account for the same facts, you should prefer the one that makes fewer assumptions. The classic example is when you hear hoofbeats outside: imagine the sound is from horses before you imagine it's from zebras. Both explain the sound, but one is a l
DynamoDB adaptive capacity
DynamoDB spreads your table across partitions, but your traffic rarely spreads evenly. Burst capacity and adaptive capacity are the two automatic mechanisms that stop a skewed workload from throttling — until it hits a hard limit. What is DynamoDB adaptive capacity? DynamoDB adaptive capacity is an automatic mechanism that shifts unused throughput toward a hot partition so a skewed key doesn't throttle while the rest of the table sits idle. Paired with burst capacity, it absorbs spikes and susta