To follow this guide, you will need omnictl installed and configured. If you haven’t done so already, follow the omnictl guide You will also need also need a cluster created withing Omni.
Note that Omni also supports Omni Service Accounts, which provide authentication to Omni itself. Kubernetes Service Accounts are used to authenticate to a Kubernetes cluster, not Omni.

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Creating the Kubernetes Service Account Kubeconfig

To create a service account kubeconfig, run the following command: 
omnictl kubeconfig --service-account -c <cluster> --user <username> <path to kubeconfig>
Replace <path to kubeconfig> with a path where the kubeconfig file should be written. Replace <cluster> with the name of the cluster in Omni. Replace <username> with any value you would like.
This command will create a service account token with the given username and obtain a kubeconfig file for the given cluster and username. You can now use kubectl with the generated kubeconfig.