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This prevents the container from holding the serial port open during the hardware reset, which was causing the reset to fail or the device to re-enumerate on a different port.
mc-webui Container Watchdog
The watchdog service is a utility designed to run on the host machine running the Docker containers for the mc-webui project. Its primary purpose is to continuously monitor the health of the application's containers, specifically the mc-webui container, which handles the physical connection to the LoRa device (like Heltec V3 or V4).
Key Capabilities
- Automated Restarts: If a container becomes
unhealthy, stops, or reports device connection issues in its logs, the watchdog automatically restarts it to restore service without human intervention. - Hardware USB Bus Reset: If the
mc-webuicontainer fails to recover after three successive restarts (e.g., due to a hardware freeze on the LoRa device itself), the watchdog will intelligently simulate a physical disconnection and reconnection of the device via a low-level USB bus reset, completely resolving hardware lockups.
Installation / Update
You can easily install or update the watchdog by running the provided installer script with root privileges:
cd ~/mc-webui/scripts/watchdog
sudo ./install.sh
Detailed Documentation
For full details on configuration, logs, troubleshooting, and more advanced features, please refer to the main Container Watchdog Documentation located in the docs folder.