==== Install Unifi controller on CentOS ====

https://blog.barclayhowe.com/installing-ubiquiti-unifi-controller-centos-server/

https://community.ubnt.com/t5/UniFi-Wireless/Unofficial-RHEL-CentOS-UniFi-Controller-rpm-packages/td-p/1744595

Navigate to https://localhost:8443/manage/wizard/

Restore from backup.