Kubernetes - Worker Node Settings

$ sudo chgrp root /etc/kubernetes/kubelet.conf

 oc get -nopenshift-sdn ds sdn -ojson | jq -r '.spec.template.spec.containers[] | select(.name == "sdn")'

$ sudo chgrp root /etc/kubernetes/kubelet-ca.crt

$ sudo chgrp root /var/lib/kubelet/kubeconfig

$ sudo chgrp root /etc/systemd/system/kubelet.service

$ sudo chown root /var/lib/kubelet/config.json 

$ sudo chown root /etc/kubernetes/kubelet.conf 

 oc get -nopenshift-sdn ds sdn -ojson | jq -r '.spec.template.spec.containers[] | select(.name == "sdn")'

$ sudo chown root /etc/kubernetes/kubelet-ca.crt 

$ sudo chown root /var/lib/kubelet/kubeconfig 

$ sudo chown root /etc/systemd/system/kubelet.service 

$ sudo chmod 0600 /var/lib/kubelet/config.json

$ sudo chmod 0644 /etc/kubernetes/kubelet.conf

{
"configMap": {
  "defaultMode": 420,
  "name": "sdn-config"
  },
"name": "config"
}

$ sudo chmod 0644 /etc/kubernetes/kubelet-ca.crt

$ sudo chmod 0600 /var/lib/kubelet/kubeconfig

$ sudo chmod 0644 /etc/systemd/system/kubelet.service