Blog Categories

Embedded Linux ¹

Linux debugging on dev boards and industrial PCs: kernel observation points, driver troubleshooting, heterogeneous SoCs, cross-compilation and device trees

2026-09-02 Industrial PC RS-232 Garbled Data: Software Correct, Hardware Fine — Ground Loop Postmortem

Backend & Infrastructure ⁷

Go backend development, containerized deployment, Linux ops and security hardening — server-side engineering for EMS cloud platform

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2026-08-25 Windows Docker Ghost Port Mapping: EMQX 1883 Silently Reserved by WinNAT Postmortem
2026-07-11 Rootless Container Inbound Source IP Preservation: Hybrid Host-Bridge Topology and Tradeoff Analysis

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Industrial Software ³

Qt/C++ desktop applications, Modbus protocol, industrial device debugging and performance optimization

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2026-04-26 TrafficMonitor CPU Optimization Postmortem: An Engineering Simplification from 4% to 0.6%
2026-03-07 Pitfall Log: Fixing Modbus Multithread Deadlocks

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Embedded Linux 1

Backend & Infrastructure 7

Industrial Software 3

Embedded Linux ¹

Backend & Infrastructure ⁷

Industrial Software ³