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To enable the High Availability (HA) repository on your Red Hat Enterprise Linux (RHEL) 8.8 virtual machine in Azure, you can use the following command:
sudo subscription-manager repos --enable=rhel-8-server-ha-rpms
This command will enable the HA repository, allowing you to install packages related to High Availability. For more detailed guidance, you can refer to the Azure documentation on setting up Pacemaker on RHEL.
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Deepanshu