Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
RedesHardware•7 min

10 Common Mistakes When Building a Small Data Center or Server Room

Discover the ten most critical mistakes made when designing a technical room or small data center. Avoid structural, thermal, and electrical failures that compromise your servers and hardware.

HardwareRedes•4 min

Rack Temperature: How to Monitor and Prevent Equipment Overheating

Learn how to manage airflow, deploy thermal sensors, and prevent catastrophic failures caused by overheating in server and network racks.

RedesHardware•3 min

Server Rack Management: How to Organize Switches, Patch Panels, and Cabling

Learn the best practices for organizing a server rack, structuring switches, patch panels, servers, and structured cabling to prevent downtime and overheating.

HardwareAutomação•5 min

Intelligent PDU: How to Monitor and Control Power Inside a Server Rack

Learn how smart PDUs transform power management in data centers and IT racks, enabling remote monitoring and energy efficiency.

RedesHardware•5 min

UPS and Uninterruptible Power Supplies: How to Size Electrical Protection for Servers and Network Equipment

Learn how to size UPS systems for servers and network gear. Discover how to calculate loads, choose topologies, and prevent catastrophic outages.

RedesHardware•6 min

Jumbo Frames: When Does Increasing MTU Really Improve Performance?

Discover how Jumbo Frames impact network traffic, when increasing MTU yields real performance gains, and which pitfalls to avoid in corporate and data center environments.

RedesHardware•6 min

Link Aggregation: How to Combine Multiple Network Connections in Practice

Learn how link aggregation unifies network cables to boost speed and guarantee redundancy against failures. A detailed technical guide to understanding protocols like LACP without complex jargon.

RedesHardware•5 min

Wake-on-LAN: How to Power On Computers Remotely Over the Network

Learn how the Wake-on-LAN protocol works to power on computers remotely across local networks and the internet, understanding magic packets and hardware setup.

AutomaçãoHardware•5 min

0-10V vs 4-20mA Signals: Which One to Choose in Automation Systems?

Discover the crucial differences between voltage and current analog signals in industrial and building automation. Learn which to choose to ensure noise immunity and accuracy over long distances.

RedesHardware•6 min

PoE Explained: How to Transmit Power and Data Over the Same Network Cable

Discover how Power over Ethernet technology revolutionizes network installations by delivering electrical power and high-speed data simultaneously over the same twisted-pair cable safely and efficiently.