What is the purpose of Kubernetes configuration file?

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What is the purpose of Kubernetes configuration file?

When defining configurations, specify the latest stable API version. Configuration files should be stored in version control before being pushed to the cluster. This allows you to quickly roll back a configuration change if necessary. It also aids cluster re-creation and restoration.

Which config is kubectl using?

If the KUBECONFIG environment variable doesn’t exist, kubectl uses the default kubeconfig file, $HOME/. kube/config .

Where is kube config file?

kube/config file located in the local user’s directory. If none of the other options is active, kubectl will only use this file with no merging.

What is the use of kubectl apply?

The command set kubectl apply is used at a terminal’s command-line window to create or modify Kubernetes resources defined in a manifest file.

What is tag in Kubernetes?

In Kubernetes, every pod is associated with a service account which is used to authenticate the pod’s requests to the Kubernetes API. Your Kubernetes labels will be automatically attached as Kubernetes tags to all monitored Kubernetes processes in your Dynatrace environment.

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What is Kubernetes manifest?

The manifest is a specification of a Kubernetes API object in JSON or YAML format. A manifest specifies the desired state of an object that Kubernetes will maintain when you apply the manifest.

How do I reset my kube config?

You need to update the setting to the appropriate information. You can use the same command you used to set the server to change it to the correct server. If you want to wipe the slate clean in terms of client config, you should remove the kubeconfig file(s). In my experience with the gcloud setup, this is just ~/.

How do I know if kubectl is installed?

Install the kubectl Command Line

  1. Check that kubectl is correctly installed and configured by running the kubectl cluster-info command: kubectl cluster-info.
  2. You can also verify the cluster by checking the nodes.
  3. To get complete information on each node, run the following: kubectl describe node.
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How do I find the kube config file?

Generate a kubeconfig File

  1. Create the required service account using the command:
  2. Configure the new service account for cluster-admin permissions.
  3. Set up the following environment variables with access data needed for producing a new kubeconfig file:
  4. Generate a kubeconfig file with these values:

How do you use kubectl edits?

To use the kubectl edit command, create a KUBE_EDITOR environment variable and specify your preferred text editor as the variable value. In addition, append the watch flag ( -w ) to the value so that kubectl knows when you have committed (saved) your changes.

What kubectl command is used to add a service?

Create a Service with the command kubectl expose deployment hello-node –type=LoadBalancer –port=8080 . You specified the name of the Cluster, the type of Service, and the port for it to use.