This tutorial guides you on how we can perform tasks like registering new RHEL 7.0, how to active subscription and repositories before actually be able to update our system. To register your system to Customer Portal Subscription Management use the following command followed by the credentials used to login to Red Hat Customer Portal.
NOTE: After the system is successfully authenticated an ID will be displayed on your prompt for your system. To unregister your system use unregister switch, which will remove the system’s entry from the subscription service and all subscriptions, and will deletes its identity and subscription certificates on local machine. To active it a subscription use the Subscription Pool ID, but be aware that when purchase one, it is valid for a specified period of time, so make sure you buy a new period of time before expiring.
download_updates = yes # Whether updates should be applied when they are available.
Note # that download_updates must also be yes for the update to be applied.
For now, you will have to manually update the MAC addresses after a motherboard replacement.
Modern Linux distributions such as Cent OS and Red Hat will typically auto-populate udev rules and network configurations, which saves time on initial deployment, but these will not automatically update if the MAC addresses are different on the new motherboard.apply_updates = no # Maximum amout of time to randomly sleep, in minutes.