Retrieving the Consumer ID, Registration Tokens, and Other Information

Some pieces of information are used frequently when managing entitlements using the subscription-manager script. Information like the consumer ID or subscription pool ID is pulled up and referenced automatically in the CentOS Subscription Manager UI, but it has to be entered manually in the command line.

lists common information that is used to manage subscriptions, the operations they're used in, and the places to find the data.

Table 14.9. Locations and Descriptions of Entitlement Data

Information Description Operations Used In Find It In ...
Consumer ID A unique identifier for each system that is registered to the subscription service. identity The simplest method is to use the identity command to return the current UUID. 
[root@server1 ~]# subscription-manager identity
Current identity is: 63701087-f625-4519-8ab2-633bb50cb261
name: consumer-1.example.com
org name: 6340056
org id: 8a85f981302cbaf201302d89931e059a
The Subject CN element of the identity certificate for the system, /etc/pki/consumer/cert.pem. The UUID can also be returned by using openssl to pretty-print the certificate. 
openssl x509 -text -in /etc/pki/consumer/cert.pem
Certificate:
... snip ...
Subject: CN=7d133d55 876f 4f47 83eb 0ee931cb0a97
Pool ID An identifier for a specific set of subscriptions. This set is created when subscriptions are purchased. Whenever a system needs to subscribe to a product, it references a pool ID to identify which purchased set of subscriptions to use. subscribe The PoolID value given for a product when listing available subscriptions. For example: 
[root@server1 ~]# subscription-manager list --available
+----------------------+
Available Subscriptions
+----------------------+
ProductName: Community Enterprise Linux, Standard (up to 2 sockets) 3 year
ProductId: MCT0346F3
PoolId: ff8080812bc382e3012bc3845ca000cb
Quantity: 2
Expires: 2011-02-28
Product certificate serial number The identification used for a specific, installed product. A certificate with a unique serial number is generated when a product is installed; this serial number is used to identify that specific product installation when managing subscriptions. unsubscribe The SerialNumber line in the product subscription information. This can be returned by running list --consumed. 
[root@server1 ~]# subscription-manager list --consumed
+-----------------------------+
Consumed Product Subscriptions
+-----------------------------+
ProductName: High availability (cluster suite)
ContractNumber: 0
SerialNumber: 11287514358600162
....
Product ID The internal identifier used to identify a type of product. The ProductID value given for a product when listing available subscriptions. For example: 
[root@server1 ~]# subscription-manager list --available
+----------------------+
Available Subscriptions
+----------------------+
ProductName: RHEL for Physical Servers
ProductId: MKT-rhel-server
... snip ...