Identity

Service name: zwavejs2mqtt (systemd) or Docker container zwavejs2mqtt / zwave-js-ui
Project name: zwavejs2mqtt and zwave-js-ui are the same project; zwave-js-ui is the current name
Logs: journalctl -u zwavejs2mqtt -f (systemd) or docker logs -f zwavejs2mqtt
Web UI: http://<host>:8091 (built-in; always enabled unlike Zigbee2MQTT)
Config: /opt/zwavejs2mqtt/store/ (bare metal) or Docker volume mapped to /usr/src/app/store/
Key config files: store/settings.json (main config), store/zwcfg.xml (Z-Wave network cache)
Serial device: /dev/ttyUSB0, /dev/ttyACM0 — use /dev/serial/by-id/... for stability
Depends on: Mosquitto (or any MQTT broker) — must be running before zwavejs2mqtt starts
Install: docker run zwavejs/zwave-js-ui or bare-metal Node.js service
User: must be in dialout group to access the serial device

Key Operations

Operation	Method
Check service status	`systemctl status zwavejs2mqtt` or `docker ps`
Follow logs live	`journalctl -u zwavejs2mqtt -f` or `docker logs -f zwavejs2mqtt`