Kubelet

Core component on each kubernetes node

Option 1:

Update kubeletConfiguration:

kubectl edit cm -n kube-system kubelet-config

Refect kubelet change

kubeadm upgrade node phase kubelet-config

Edit /var/lib/kubelet/config.yaml

Restart kubelet:

sudo systemctl daemon-reload
sudo systemctl restart kubelet

See how it is started:

sudo systemctl cat kubelet