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By default, Talos Linux taints control plane nodes so that workloads are not schedulable on them. In order to allow workloads to run on the control plane nodes (useful for single node clusters, or non-production clusters), follow the procedure below. The taint is set in the KubeNodeConfig document of the controlplane machine configuration:
Remove the taint to make the node schedulable:
This may be done via editing the controlplane.yaml file before it is applied to the control plane nodes, by editing the machine config, or by patching the machine config.

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Load balancer configuration

When a load balancer such as MetalLB is used, the node label node.kubernetes.io/exclude-from-external-load-balancers should also be removed from the control plane nodes. This label is added by default and instructs load balancers to exclude the node from the list of backend servers used by external load balancers. In order to remove this label, you can patch the machine configuration for the control plane nodes with the patch: