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•5 min

What is the strace command and how to use it for debugging system calls in Linux

Learn how to inspect the communication between programs and the Linux kernel using strace. Discover how to diagnose hidden failures, missing files, and performance bottlenecks in real time.

DevOpsEngenharia•5 min

Isolation of C and C++ Compilation Environments in Linux with Chroot

Learn how to build an isolated compilation environment in Linux using the chroot command to ensure reproducibility and prevent native library conflicts.

RedesDevOps•3 min

Configuring Floating Static Routes with Administrative Metric for Internet Contingency

Learn how to configure floating static routes using administrative distance to ensure seamless automatic failover between primary and secondary internet links on edge routers.

BackendDevOps•4 min

Debugging JDBC Connection Leaks in Pools with HikariCP

Learn how to track and eliminate database connection leaks in Java applications using HikariCP's built-in leak detection utility.

RedesDevOps•6 min

What are CAA DNS records and how they prevent improper TLS certificate issuance

Learn how properly configuring CAA DNS records protects your IT infrastructure against unauthorized TLS certificate issuance, enhancing server security and control over certificate authorities.

BackendDevOps•5 min

How to Monitor JVM Metrics in Real Time on the Terminal with Jconsole and Jps

Learn how to inspect memory consumption, threads, and Java application performance in real time using native command-line utilities.

ProdutividadeDevOps•3 min

Command Line Development Workflow with Neovim, Tmux and Zsh

Streamline your software development routine by integrating Neovim, Tmux, and Zsh. Turn your terminal into a highly efficient engineering environment detached from heavy graphical interfaces.

HardwareDevOps•3 min

Homelab Infrastructure with Mini PCs, Proxmox, and Docker

Learn how to build a robust and efficient server using mini PCs, Proxmox for virtualization, and Docker for application isolation. Discover hardware and software decisions for a secure and scalable self-hosting environment.

DevOpsBackend•3 min

Nginx Configuration Testing: Validating Syntax Before Service Reloads

Learn how to use the nginx -t command to validate your configuration files before applying changes. Prevent downtime by identifying syntax errors early in the process.

BackendDevOps•2 min

Optimizing Performance with Cache-Control for Static Assets

Master the use of HTTP headers to optimize load times for static assets. Learn how browser caching prevents redundant network requests and boosts application performance.