I did try both addresses
http://192.168.178.111:8080
https://192.168.178.111:443

Hence the IP address is 192.168.178.111


Is the Domoticz service up and running?
sudo service domoticz.sh status

If not, try to start it
sudo service domoticz.sh start

and check status again.

If it fails ...

I did try both addresses
http://192.168.178.111:8080
https://192.168.178.111:443

Hence the IP address is 192.168.178.111

Today I downloaded and installed Domoticz on my Raspberry Pi.
Installation was done 'the easy way' using "curl -L install.domoticz.com | sudo bash".
After installation I can not connect to the webpage to configure Domoticz. The webpage is not found. Restarting did not help, network connection is ...