9.3. Subscribing to the Required Entitlements
To be used as a hypervisor host, make sure the Red Hat Enterprise Linux host meets the hardware requirements listed in Chapter 2. The host must also be registered and subscribed to a number of entitlements using Subscription Manager. Follow this procedure to register with the Content Delivery Network and attach the
Red Hat Enterprise Linux Server and Red Hat Enterprise Virtualization entitlements to the host.
Procedure 9.1. Subscribing to Required Entitlements using Subscription Manager
- Register your system with the Content Delivery Network, entering your Customer Portal Username and Password when prompted:
subscription-manager register
# subscription-manager registerCopy to Clipboard Copied! Toggle word wrap Toggle overflow - Find the
Red Hat Enterprise Linux ServerandRed Hat Enterprise Virtualizationsubscription pools and note down the pool IDs.subscription-manager list --available
# subscription-manager list --availableCopy to Clipboard Copied! Toggle word wrap Toggle overflow - Use the pool IDs located in the previous step to attach the entitlements to the system:
subscription-manager attach --pool=poolid
# subscription-manager attach --pool=poolidCopy to Clipboard Copied! Toggle word wrap Toggle overflow Note
To find out what subscriptions are currently attached, run:subscription-manager list --consumed
# subscription-manager list --consumedCopy to Clipboard Copied! Toggle word wrap Toggle overflow To list all enabled repositories, run:yum repolist
# yum repolistCopy to Clipboard Copied! Toggle word wrap Toggle overflow - Ensure all hosts remain on Red Hat Entrprise Linux 7.3:
subscription-manager release --set=7.3
subscription-manager release --set=7.3Copy to Clipboard Copied! Toggle word wrap Toggle overflow - Disable all existing repositories:
subscription-manager repos --disable=*
# subscription-manager repos --disable=*Copy to Clipboard Copied! Toggle word wrap Toggle overflow - Enable the required repositories.
Important
Red Hat Enterprise Virtualization 3.x has reached End Of Life (EOL). Users with Extended Lifecycle Support (ELS) must use the repositories in https://access.redhat.com/solutions/3194482 to keep the environment up and running.If you are installing Red Hat Enterprise Linux 7 hosts, little endian on IBM POWER8 hardware, enable the following repositories instead:subscription-manager repos --enable=rhel-7-server-rhev-mgmt-agent-for-power-le-rpms subscription-manager repos --enable=rhel-7-for-power-le-rpms
# subscription-manager repos --enable=rhel-7-server-rhev-mgmt-agent-for-power-le-rpms # subscription-manager repos --enable=rhel-7-for-power-le-rpmsCopy to Clipboard Copied! Toggle word wrap Toggle overflow Important
Red Hat Enterprise Linux 7 hosts, little endian on IBM POWER8 is not part of the Extended Lifecycle Support (ELS) offering. - Ensure that all packages currently installed are up to date:
yum update
# yum updateCopy to Clipboard Copied! Toggle word wrap Toggle overflow
Once you have subscribed the host to the required entitlements, proceed to the next section to attach your host to your Red Hat Enterprise Virtualization environment.