Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

DevOps•3 min

Expired SSL certificate? How to automate renewal with Vault

Learn how to prevent expired SSL certificates in multi-cloud environments using cert-manager and HashiCorp Vault automation for TLS keys.

DevOps•4 min

Corrupted database? How to automate PostgreSQL recovery

Learn how to build automated routines for backup validation and rapid disaster recovery in PostgreSQL database instances without surprises.

DevOps•3 min

How to build efficient CI/CD pipelines with private runners

Learn how to configure self-hosted runners in GitHub Actions to reduce build costs, optimize software delivery time, and ensure security in your local infrastructure.

DevOps•4 min

Broken deploy? How to speed up ArgoCD rollbacks

Learn practical strategies to instantly revert deployments in Kubernetes clusters using GitOps and automated synchronization in ArgoCD.

RedesDevOps•4 min

How to monitor pod network latency in Kubernetes with eBPF

Learn how to monitor network latency between Kubernetes pods in real time using eBPF, Cilium, and Hubble without modifying your applications.

DevOps•5 min

Container stuck on boot? How to read systemd logs in Docker

Learn how to troubleshoot container startup failures using journald and deep background process inspection when systemd freezes.

Backend•4 min

PHP2Shell: critical vulnerability found in PHP with urgent fix

A critical flaw dubbed PHP2Shell puts servers at risk worldwide. Understand how the vulnerability works and how to apply the official fix today.

IAHardware•5 min

Daily Tech Radar: Quantum chip breakthroughs and AI flaws

Check out the top ten tech market news stories on artificial intelligence, hardware, and security flaws analyzed critically.

Negócios•4 min

How to negotiate software consulting contracts for profit

Learn real pricing strategies, scope management, and client alignment techniques to ensure profitability and financial predictability in software consulting.

HardwareAutomação•4 min

How to automate plant irrigation with ESP32 and MQTT

Learn how to build an automated watering system using ESP32 microcontrollers, soil moisture sensors, and the MQTT protocol for smart home IoT integration.