Starting from Bright 7.3, CMDaemon revision 35506 or later, a script is provided to retrieve the product key from the CSR file on the head node. If the CSR file does not exist on the head node, please contact Bright Computing Support or your account manager to send you the product key.
The product key can be retrieved by running the command below:
[root@mg-73-centos73-ofs tools]# cm-get-product-key
XXXXXX-XXXXXX-XXXXXX-XXXXXX-XXXXXX