Technical Articles

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

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Software Supply Chain Security: Protecting Dependencies and Pipelines

Learn how modern software supply chains face attacks through malicious dependencies and discover practical strategies to fortify your development pipelines.

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DevOps•12 min

Private Container Registry: When to Host Your Own Image Repository

Discover the real engineering criteria to decide between managing your own container registry or using managed cloud services, balancing costs, security, and network latency.

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Backend•12 min

How to Create a WordPress Staging Environment Safely and Efficiently

Learn how to isolate your WordPress updates in a test environment identical to production, preventing changes from breaking your live site.

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RedesDevOps•14 min

WireGuard and Policy Based Routing for Multicloud Networks

Implement secure virtual private networks across multicloud environments using WireGuard, ChaCha20 encryption, and Linux policy-based routing for total corporate traffic control.

DevOps•12 min

Zero-Downtime Deployments with Docker, Multi-Stage Builds, and Kubernetes

Learn how to orchestrate continuous delivery without interruptions using rolling updates, optimized layered builds, and intelligent health checks in production environments.

ArquiteturaDevOps•12 min

SSRF Vulnerability Mitigation in Microservices with Reverse Proxies and Network Restriction

Learn how to protect distributed architectures against Server-Side Request Forgery attacks using smart reverse proxies, rigorous network restriction, and strict payload validation.

DevOpsRedes•14 min

Practical Guide to Linux Commands, Network Protocols, Diagnostics and System Administration

Explore essential Linux utilities, core network protocols, HTTP status codes, privilege control, and routine automation tasks with deep technical precision and practical examples.

RedesDevOps•12 min

DMARC in Practice: Reducing Fraud Using Your Domain

Learn how to configure DMARC, SPF, and DKIM to protect your corporate domain against phishing attacks, identity spoofing, and email fraud.

RedesDevOps•12 min

How SPF Works: Protecting Email Domains Against Spoofing

Learn how SPF (Sender Policy Framework) uses DNS records to authenticate sender servers, preventing fraud and identity spoofing in corporate electronic mail.

RedesDevOps•12 min

FTP, FTPS, and SFTP: Differences, Security, and Practical Use Cases

Understand the fundamental differences between FTP, FTPS, and SFTP in file transfers. Discover which protocol guarantees maximum security and performance.

RedesDevOps•11 min

How SFTP Works and Why It Is Different From FTP

Understand the fundamental differences between traditional FTP and the secure SFTP protocol, exploring encryption, network ports, and connection architecture.

RedesDevOps•11 min

Bastion Host: How to Build a Secure Server Access Point

Learn how to architect a bastion host to centralize and secure remote access to cloud servers and internal corporate networks. Explore hardening strategies, port controls, and audit trails.

RedesDevOps•12 min

SSH Keys: How Passwordless Cryptographic Authentication Works

Understand the practical mechanics of SSH keys, the mathematical principles behind public-key cryptography, and why this approach securely replaces traditional passwords for remote server access.