take out all labels from node

[debianmaster]

kubectl get no |  awk '{print $1}' | while read line; 
do
 kubectl label node $line beta.kubernetes.io/arch-; 
done

[debianmaster]

typical labels labels.txt

beta.kubernetes.io/arch-
beta.kubernetes.io/fluentd-ds-ready
beta.kubernetes.io/instance-type-
beta.kubernetes.io/os-
cloud.google.com/gke-nodepool-
failure-domain.beta.kubernetes.io/region-
failure-domain.beta.kubernetes.io/zone-
kubernetes.io/hostname-

cat labels.txt | while read label; do kubectl get no |  awk '{print $1}' | while read line; do kubectl label node $line $label-; done; done;