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    How to add a label in Kubernetes Node?


    How to add a label in Kubernetes Node?


    1. Check the nodes.
    [root@kubemaster ~]# kubectl get nodes
    NAME         STATUS   ROLES    AGE   VERSION
    kubemaster   Ready    master   94d   v1.13.1
    kubenode1    Ready    <none>   94d   v1.13.1
    kubenode2    Ready    <none>   94d   v1.13.1
    [root@kubemaster ~]#


    2. Choose the node and Labele it.


    root@master01> kubectl label nodes kubemaster kubenode1 kubenode2 capability=monitoring
    node/kubemaster labeled
    node/kubenode1 labeled
    node/kubenode2 labeled
    root@master01>

    3. Check the labels. You should get an output similar to this.


    root@master01> kubectl get nodes --show-labels
    NAME         STATUS   ROLES    AGE   VERSION   LABELS
    kubemaster   Ready    master   94d   v1.13.1   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,capability=monitoring,kubernetes.io/hostname=kubemaster,node-role.kubernetes.io/master=
    kubenode1    Ready    <none>   94d   v1.13.1   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,capability=monitoring,kubernetes.io/hostname=kubenode1
    kubenode2    Ready    <none>   94d   v1.13.1   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,capability=monitoring,kubernetes.io/hostname=kubenode2
    root@master01>

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