How to show vCenter Instance configuration?

Login to vCenter Server Appliance (VCSA) via ssh.

Enable BASH access: "shell.set --enabled True"
Launch BASH: "shell"

Run following command to list vCenter Instance configuration.

vc01:/etc/vmware-vpx # cat /etc/vmware-vpx/instance.cfg 
applicationDN=dc\=virtualcenter,dc\=vmware,dc\=int
instanceUuid=b7cc1468-6d27-4117-943f-7b1b4485028b
ldapPort=389
ldapInstanceName=VMwareVCMSDS
ldapStoragePath=/etc/vmware-vpx/

vCenter UUID is very important identifier which is unique identification of particular instance in external systems like Vmware Platform Service Controller (PSC), vROps, SRM, etc.

UUID is in our example b7cc1468-6d27-4117-943f-7b1b4485028b