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

BackendDevOps•3 min

Service Mesh Implementation with Istio and Ambient Mode: Reducing Overhead in Microservices

Discover how Istio Ambient Mode removes the requirement of injecting sidecar proxy containers into every application, cutting memory usage and simplifying microservices operations.

DevOps•4 min

GitOps with ArgoCD and Kubernetes: Declarative and Secure Continuous Deployment

Learn how GitOps and ArgoCD transform software delivery in Kubernetes, using the Git repository as the single source of truth for infrastructure and applications.

IADevOps•5 min

Local Language Model Implementation with Ollama and vLLM on On-Premise Infrastructure

Learn how to build an in-house infrastructure to run artificial intelligence locally using Ollama and vLLM. Ensure data privacy, cost control, and high performance on internal servers.

DevOps•4 min

Low Overhead Distributed Tracing with eBPF and OpenTelemetry in gRPC

Learn how to implement distributed tracing in gRPC microservices using eBPF and OpenTelemetry without modifying application source code.

RedesDevOps•4 min

Overlay Networks with Tailscale and WireGuard in Multi-Cloud Kubernetes

Learn how to securely interconnect multi-cloud Kubernetes clusters using WireGuard and Tailscale overlay networks, solving NAT traversal and MTU bottlenecks.

DevOps•3 min

Zero-Downtime Deploys with Coolify, GitHub Actions and Docker Swarm

Learn how to architect and automate continuous delivery without interruptions using Coolify, Docker Swarm, multi-stage builds, and custom health checks in modern production environments.

DevOpsProdutividade•4 min

What the Downloads Folder Means and How to Clean It Regularly on Both Systems

Discover the role of the downloads folder on Windows and macOS, understand the risks of accumulating residual files, and learn practical methods to automate cleanup without losing important data.

DevOpsArquitetura•4 min

Windows Update and macOS Software Updates: System Management Mechanics

Explore the architectural differences between Windows Update automatic patching and macOS software management. Understand how each operating system handles drivers, security, and updates.

RedesDevOps•4 min

How to Configure Strict Traffic Isolation Between Clients in Enterprise Wi-Fi Networks with Client Isolation

Learn how to implement strict client isolation in corporate wireless networks to block lateral threats and protect sensitive data. Discover how to configure the mechanism at the link layer and access point levels.

DevOpsEngenharia•4 min

Debugging Interrupts and Lock Contention in the Linux Kernel with perf-tools

Learn how to isolate deep bottlenecks in the Linux kernel using the perf-tools utility to track hardware interrupts and synchronization lock contention under heavy workloads.