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Chapter 3. Getting your node ID

When providing information to Red Hat Support, it is helpful to provide the unique identifier of your node. For MicroShift, you can get your node ID manually by using the OpenShift CLI (oc) or by retrieving the ID from a file.

Note

A node ID is created only after the MicroShift service runs for the first time after installation.

3.1. Getting the node ID of a running node
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Use either the of the following steps to get the ID of a running node.

Procedure

  • Get the ID of a running node using oc get by entering the following command: 

    $ oc get namespaces kube-system -o jsonpath={.metadata.uid}
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    Example output

    7cf13853-68f4-454e-8f5c-1af748cbfb1a
    Copy to Clipboard Toggle word wrap

  • Get the ID of a running node by retrieving it from the cluster-id file by entering the following command: 

    $ sudo cat /var/lib/microshift/cluster-id
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    Example output

    7cf13853-68f4-454e-8f5c-1af748cbfb1a
    Copy to Clipboard Toggle word wrap

3.2. Getting the node ID of a stopped node
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For a node that ran before, but is not running now, you can get the node ID from the cluster-id file in the /var/lib/microshift directory.

Procedure

  • Get the ID of a stopped node by retrieving it from the cluster-id file by entering the following command: 

    $ sudo cat /var/lib/microshift/cluster-id
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    Example output

    7cf13853-68f4-454e-8f5c-1af748cbfb1a
    Copy to Clipboard Toggle word wrap

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