Danke für die Rückmeldung und Anleitung.
Hier die entsprechenden Ausgaben.
pi@raspberrypi:~ $ nc -zv localhost 8080
nc: connect to localhost port 8080 (tcp) failed: Connection refused
nc: connect to localhost port 8080 (tcp) failed: Connection refused
pi@raspberrypi:~ $ ps aux | grep homebridge
pi 21965 0.0 0.0 4372 580 pts/0 S+ 12:46 0:00 grep --color=auto homebridge
homebri+ 27162 0.3 5.4 144088 51440 ? Ssl Nov18 12:53 homebridge
pi@raspberrypi:~ $ sudo netstat -tulpen
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State User Inode PID/Program name
tcp 0 0 127.0.0.1:4711 0.0.0.0:* LISTEN 999 188092 31016/pihole-FTL
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 0 13334 537/lighttpd
tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN 999 189264 31016/pihole-FTL
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 0 10166 523/sshd
tcp6 0 0 ::1:4711 :::* LISTEN 999 188094 31016/pihole-FTL
tcp6 0 0 :::80 :::* LISTEN 0 13335 537/lighttpd
tcp6 0 0 :::51826 :::* LISTEN 1001 176047 27162/homebridge
tcp6 0 0 :::53 :::* LISTEN 999 189266 31016/pihole-FTL
tcp6 0 0 :::22 :::* LISTEN 0 10168 523/sshd
udp 0 0 0.0.0.0:53 0.0.0.0:* 999 189263 31016/pihole-FTL
udp 0 0 0.0.0.0:68 0.0.0.0:* 0 11936 370/dhcpcd
udp 0 0 0.0.0.0:5353 0.0.0.0:* 1001 176048 27162/homebridge
udp 896 0 0.0.0.0:5353 0.0.0.0:* 108 9961 319/avahi-daemon: r
udp 0 0 0.0.0.0:42260 0.0.0.0:* 108 9963 319/avahi-daemon: r
udp6 0 0 :::54262 :::* 108 9964 319/avahi-daemon: r
udp6 0 0 :::546 :::* 0 11970 370/dhcpcd
udp6 0 0 :::53 :::* 999 189265 31016/pihole-FTL
udp6 1498 0 :::5353 :::* 108 9962 319/avahi-daemon: r
pi@raspberrypi:~ $ sudo systemctl restart homebridge; sudo journalctl -fau homebridge
-- Logs begin at Thu 2016-11-03 17:16:43 GMT. --
Nov 18 19:57:54 raspberrypi homebridge[27162]: ??????????????
Nov 18 19:57:54 raspberrypi homebridge[27162]:
Nov 18 19:57:54 raspberrypi homebridge[27162]: [11/18/2018, 7:57:54 PM] Homebridge is running on port 51826.
Nov 21 12:48:39 raspberrypi systemd[1]: Stopping Node.js HomeKit Server...
Nov 21 12:48:39 raspberrypi homebridge[27162]: [11/21/2018, 12:48:39 PM] Got SIGTERM, shutting down Homebridge...
Nov 21 12:48:44 raspberrypi systemd[1]: homebridge.service: Main process exited, code=exited, status=143/n/a
Nov 21 12:48:44 raspberrypi systemd[1]: Stopped Node.js HomeKit Server.
Nov 21 12:48:44 raspberrypi systemd[1]: homebridge.service: Unit entered failed state.
Nov 21 12:48:44 raspberrypi systemd[1]: homebridge.service: Failed with result 'exit-code'.
Nov 21 12:48:44 raspberrypi systemd[1]: Started Node.js HomeKit Server.
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Loaded config.json with 0 accessories and 1 platforms.
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] ---
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Loaded plugin: homebridge-config-ui-x
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Registering platform 'homebridge-config-ui-x.config'
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] ---
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Loading 1 platforms...
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] [Config] Initializing config platform...
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] [Config] Spawning homebridge-config-ui-x with PID 22012
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Loading 0 accessories...
Nov 21 12:48:46 raspberrypi homebridge[21983]: Setup Payload:
Nov 21 12:48:46 raspberrypi homebridge[21983]: X-HM://0023ISYWY8KP4
Nov 21 12:48:46 raspberrypi homebridge[21983]: Scan this code with your HomeKit app on your iOS device to pair with Homebridge:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]: Or enter this code with your HomeKit app on your iOS device to pair with Homebridge:
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]: ??????????????
Nov 21 12:48:46 raspberrypi homebridge[21983]: ? 031-45-154 ?
Nov 21 12:48:46 raspberrypi homebridge[21983]: ??????????????
Nov 21 12:48:46 raspberrypi homebridge[21983]:
Nov 21 12:48:46 raspberrypi homebridge[21983]: [11/21/2018, 12:48:46 PM] Homebridge is running on port 51826.
Nov 21 12:48:47 raspberrypi homebridge[21983]: [11/21/2018, 12:48:47 PM] [Config] Added new user: admin
Nov 21 12:48:49 raspberrypi homebridge[21983]: [11/21/2018, 12:48:49 PM] [Config] Using Form Authentication
Nov 21 12:48:49 raspberrypi homebridge[21983]: [11/21/2018, 12:48:49 PM] [Config] Console v3.9.0 is listening on port 8080.