scnzzh@zubt1:~$ service kubelet status
● kubelet.service - kubelet: The Kubernetes Node Agent
Loaded: loaded (/lib/systemd/system/kubelet.service; enabled; vendor preset: enabled)
Drop-In: /etc/systemd/system/kubelet.service.d
└─10-kubeadm.conf
Active: activating (auto-restart) (Result: exit-code) since Sun 2021-01-17 20:21:07 EST; 5s ago
Docs: https://kubernetes.io/docs/home/
Process: 215916 ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS (code=exited, status=255/EXCE>
Main PID: 215916 (code=exited, status=255/EXCEPTION)

 

the kubelet that is deployed next to the kubeadm package will crashloop until you start kubeadm init. check the status of the kubelet after kubeadm init finishes.