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Part II. Subscription and Support
To receive updates to the software on a Red Hat Enterprise Linux system it must be subscribed to the Red Hat Content Delivery Network (CDN) and the appropriate repositories enabled. This part describes how to subscribe a system to the Red Hat Content Delivery Network.
Red Hat provides support via the Customer Portal, and you can access this support directly from the command line using the Red Hat Support Tool. This part describes the use of this command-line tool.