https://intent.me/en-us/blog/ Recent content in Blog on Intent Hugo -- 0.155.1 en-us Thu, 28 May 2026 18:59:25 +0800 https://intent.me/en-us/blog/tech/iiot-emqx-rootless-deployment-postmortem/ Thu, 28 May 2026 18:59:25 +0800 https://intent.me/en-us/blog/tech/iiot-emqx-rootless-deployment-postmortem/ A postmortem of an IIoT ingress deployment failure: under Podman Rootless, EMQX 5.8 exposed unstable Erlang IPC, HOCON schema validation failures, a blocked security-group port, and M2M requests rejected by CSRF middleware. This post covers the confirmed causes, fixes, and validation path. https://intent.me/en-us/blog/tech/trafficmonitor-cpu-optimization-postmortem/ Sun, 26 Apr 2026 10:00:00 +0800 https://intent.me/en-us/blog/tech/trafficmonitor-cpu-optimization-postmortem/ A postmortem on CPU optimization under a high-frequency polling workload: by shrinking the UI logging path, removing high-frequency state machines, and fixing the wait model, CPU usage dropped from 3.6%~4.2% to 0.1%~0.6%. https://intent.me/en-us/blog/tech/rootless-podman-systemd-watchdog-postmortem/ Fri, 03 Apr 2026 20:00:00 +0800 https://intent.me/en-us/blog/tech/rootless-podman-systemd-watchdog-postmortem/ A postmortem on a failed recovery path under Rootless Podman + Systemd user units, covering confirmed contributing factors, concrete remediation work, validation steps, and remaining risks. https://intent.me/en-us/blog/tech/jwt-at-rt-redis-hardening-postmortem/ Mon, 23 Mar 2026 10:00:00 +0800 https://intent.me/en-us/blog/tech/jwt-at-rt-redis-hardening-postmortem/ A security hardening postmortem for JWT AT/RT architecture: treating Redis reservation as completed and implementing RT rotation, replay detection, and revocable sessions. https://intent.me/en-us/blog/tech/https-upgrade-403-postmortem/ Tue, 17 Mar 2026 12:00:00 +0800 https://intent.me/en-us/blog/tech/https-upgrade-403-postmortem/ A postmortem on a persistent 403 after HTTPS migration, traced to both missing CSRF allowlist updates and Podman Rootless image namespace isolation. https://intent.me/en-us/blog/tech/modbus-deadlock-fix-notes/ Sat, 07 Mar 2026 10:00:00 +0800 https://intent.me/en-us/blog/tech/modbus-deadlock-fix-notes/ A field note on shutdown deadlocks and timeout misjudgment in a Qt multithreaded Modbus workflow, with practical fixes. https://intent.me/en-us/blog/tech/modbus-tools-intro/ Sat, 28 Feb 2026 12:00:00 +0800 https://intent.me/en-us/blog/tech/modbus-tools-intro/ A practical guide to a lightweight Modbus tool for embedded development and field commissioning: fast frame building, log viewing, Frame Analyzer with scaling/register annotations/JSON-CSV persistence, Link to Analyzer live linkage, and Force Parse. https://intent.me/en-us/blog/hello-world/ Sun, 01 Feb 2026 12:00:00 +0800 https://intent.me/en-us/blog/hello-world/ fmt.Println(“Hello, Intent”)