The connection to the server 10.4.4.20:6443 was refused - did you specify the right host or port? i run command sudo swapoff -a i also put .kube/config file in home directory of user still facing issue

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Cluster information:

Kubernetes version:v1.29.0
Cloud being used: (put bare-metal if not on a public cloud)
Installation method:kubeadm
Host OS:
CNI and version:10-calico.conflist 10-flannel.conflist calico-kubeconfig
CRI and version: containerd

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