If these values are not unique to each node, the installation process may fail. Kubernetes uses these values to uniquely identify the nodes in the cluster. It is therefore recommended that you confirm that the Product_UUID and the MAC address are not identical in any of the nodes. Most nodes generally come with unique MAC addresses, however, in some unique cases, some Virtual Machines may have identical MAC addresses. In this tutorial, I will be using my root account. You will also need access to an account with sudo or root privileges. All your nodes should also be able to connect to one another, either on a private or public network, whichever is available.Equally, you will need to make sure that the DNF package manager is installed by default and can fetch packages remotely. We will be fetching Kubernetes and docker packages from the repository.
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