Change IP Address
Update the zen.conf file’s IP address setting manually using nano, then restart zend and the tracker.
nano ~/.zen/zen.conf
Arrow down to externalip= and modify the number following externalip= with your new IP address.
Hit CTRL + x then type y and hit <enter> to save your modification to the zen.conf file.
After this, restart zend, then the tracker to update the records.
sudo systemctl restart zend zentracker && sudo journalctl -fu zentracker