Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
AutomaçãoRedes•4 min

Industrial Telemetry Orchestration in Modbus TCP Networks with Dynamic Load Balancing in Edge Gateways

Learn how to structure data collection in industrial plants using Modbus TCP and smart gateways, distributing requests to prevent communication bottlenecks and failures.

HardwareRedes•5 min

Building High-Density Homelab Servers with PWM Thermal Management and Power Rail Monitoring

Learn how to design compact homelab servers featuring precise PWM fan control and rigorous power rail monitoring to prevent electrical overloads and overheating.

DevOpsRedes•4 min

Resource Isolation Strategies and Cgroups Monitoring in Linux Servers

Learn how the Linux kernel uses control groups to manage computational resources in high-density servers. Discover practical CPU, memory, and disk isolation techniques in production environments.

RedesAutomação•4 min

Redundancy Failover Orchestration in Industrial Networks with RSTP and Ring Topologies

Learn how to build resilient industrial networks combining ring topologies and the RSTP protocol to ensure fast failover and prevent factory downtime.

AutomaçãoRedes•4 min

Integrating SCADA Systems with Low-Power IoT Protocols Based on MQTT-SN over Mesh Networks

Learn how to connect legacy SCADA systems to wireless sensor networks using MQTT-SN and low-power mesh architectures for demanding industrial environments.

AutomaçãoRedes•4 min

Integrating LoRaWAN Industrial Sensor Networks with BACnet IP Buses Using Custom Edge Gateways

Learn how to connect long-range wireless industrial sensors to legacy building automation systems using custom edge gateways.

RedesDevOps•4 min

Standardizing Multi-Region Service Meshes with Transport-Layer Cryptographic Wrapping

Learn how to architect multi-region distributed service meshes using rigorous cryptographic transport-layer wrapping to secure inter-datacenter traffic without sacrificing global latency.

RedesDevOps•4 min

Controlled Latency Injection and Network Partition Simulation in Integration Tests

Learn how to apply controlled latency injection and simulate network failures in integration tests using programmable proxies to ensure resilient systems before production.

RedesHardware•5 min

Building High Availability Storage with ZFS and LACP Link Aggregation in Homelab Servers

Learn how to design and implement robust storage using the ZFS file system combined with LACP network aggregation for maximum performance and fault tolerance in your home lab.

DevOpsRedes•4 min

Global Keyboard Shortcuts Mapping and Key Redefinition in the Linux Kernel Without Graphical Environments

Learn how to intercept and remap keyboard shortcuts directly at the Linux kernel level using tools like evdev and kbd, bypassing any graphical interface.