Yes, I did try putting that in, but still couldn't get the front end from a browser on 192.168.*.* I'll try it again, though.
Should Zigbee2MQTT actually be running, after doing npm start, based on the output I've included below? The first three lines (after npm start) have the 'Zigbee2MQTT' in green, the remaining lines have it in red.
Zigbee2MQTT:info 2023-01-20 14:14:17: Logging to console and directory: '/opt/zigbee2mqtt/data/log/2023-01-20.14-14-17' filename: log.txt
Zigbee2MQTT:info 2023-01-20 14:14:17: Starting Zigbee2MQTT version 1.29.2 (commit #bb3e8f6)
Zigbee2MQTT:info 2023-01-20 14:14:17: Starting zigbee-herdsman (0.14.83-hotfix.0)
Zigbee2MQTT:error 2023-01-20 14:14:38: Error while starting zigbee-herdsman
Zigbee2MQTT:error 2023-01-20 14:14:38: Failed to start zigbee
Zigbee2MQTT:error 2023-01-20 14:14:38: Check https://www.zigbee2mqtt.io/guide/instal ... start.html for possible solutions
Zigbee2MQTT:error 2023-01-20 14:14:38: Exiting...
Zigbee2MQTT:error 2023-01-20 14:14:39: Error: Failed to connect to the adapter (Error: SRSP - SYS - ping after 6000ms)
at ZStackAdapter.start (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/src/adapter/z-stack/adapter/zStackAdapter.ts:103:27)
at Controller.start (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/src/controller/controller.ts:132:29)
at Zigbee.start (/opt/zigbee2mqtt/lib/zigbee.ts:58:27)
at Controller.start (/opt/zigbee2mqtt/lib/controller.ts:101:27)
at start (/opt/zigbee2mqtt/index.js:107:5)