Where is the Kubectl config file

By default, kubectl looks for a file named config in the $HOME/. kube directory. You can specify other kubeconfig files by setting the KUBECONFIG environment variable or by setting the –kubeconfig flag.

What is KUBE config file?

Specifically, kubeconfig is a YAML file that contains either a username and password combination or a secure token that when read programmatically removes the need for the Kubernetes client to ask for interactive authentication. kubeconfig is the secure and standard method to enable access to your Kubernetes clusters.

How do I clear my kubectl config?

To remove a cluster, you can run kubectl –kubeconfig=config-demo config unset clusters. <name> To remove a context, you can run kubectl –kubeconfig=config-demo config unset contexts.

How do I create a kubectl config file?

  1. Create a folder to contain your Kubernetes tools.
  2. Add the folder location to the Windows PATH environment variable.
  3. Download the kubectl command.
  4. Create the . …
  5. Create the Windows kubectl kubeconfig file.
  6. Change the API version listed in the kubeconfig file.

How do I run a kubectl command?

  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.

How do I find my Kubernetes namespace?

The most basic command for viewing Kubernetes objects via kubectl is get . If you run kubectl get <resource-name> you will get a listing of all resources in the current namespace. If you want to get a specific resource, you can use kubectl get <resource-name> <object-name> .

How do I access multiple Kubernetes cluster using kubectl?

  1. Use asdf to manage multiple kubectl versions.
  2. Set the KUBECONFIG env var to change between multiple kubeconfig files.
  3. Use kube-ps1 to keep track of your current context/namespace.
  4. Use kubectx and kubens to change fast between clusters/namespaces.
  5. Use aliases to combine them all together.

How do you add context to Kubernetes?

  1. Step 01: Install Kubectl on the local machine. …
  2. Step 02: Copy kube config file from server to local. …
  3. Step 03: Configure Multiple contexts on your local machine. …
  4. Step 04: Switching contexts.

How do you set context in kubectl?

  1. Examples. # Set the user field on the gce context entry without touching other values kubectl config set-context gce –user=cluster-admin.
  2. Options. …
  3. Options inherited from parent commands.
Can I delete the Kubeconfig file?

You can delete cluster/context/user entries by name. E.g. Side note, if you teardown your cluster using cluster/kube-down.sh (or gcloud if you use Container Engine), it will delete the associated kubeconfig entries.

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What is kubectl apply?

  • It directly updates in the current live source with only the attributes that are given in the file. It creates resources from the file provided. …
  • The file used in apply can be an incomplete spec. The file used in create should be complete.
  • apply works only on some properties of the resources.

How do I find my Kubernetes logs?

  1. kubectl get pod <pod-name> …
  2. kubectl describe pod <pod-name> …
  3. kubectl get pod nginx –template ‘{{.status.initContainerStatuses}}’ …
  4. kubectl logs <pod-name> -c <init-container-2>

Where do I put kubectl?

  1. Install the Google Cloud SDK.
  2. Run the kubectl installation command: gcloud components install kubectl.
  3. Test to ensure the version you installed is up-to-date: kubectl version –client.

How do I add a system path to kubectl?

  1. Download the kubectl.exe using a link and save the file in any folder on windows file system.
  2. Add the kubectl.exe folder location in path variable – “Advanced System Settings -> Advanced -> Environment Variables -> Path”.

How do you use the kubectl edit command?

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.

How do I add multiple clusters to Kube config?

To add another cluster, use the kubectl config set-cluster command: $ kubectl config set-cluster my-other-cluster ➥ –server= ➥ –certificate-authority=path/to/the/cafile [email protected]%

How do I connect two Kubernetes clusters?

  1. About the example.
  2. Step 1: Install the Skupper command-line tool.
  3. Step 2: Configure access to multiple namespaces.
  4. Step 3: Install the Skupper router in each namespace.
  5. Step 4: Connect your namespaces.
  6. Step 5: Expose your front-end and back-end services.
  7. Conclusion.

How do you manage multiple Kubernetes clusters?

  1. Creating, updating, and deleting Kubernetes clusters across different environments (data centers; private, hybrid, and public clouds; and at the Edge)
  2. Updating the control plane and compute nodes.
  3. Managing application life cycles across hybrid environments.

How do you set a kubectl namespace?

Setting Default Namespace Namespace defaults are set in your cluster’s context configuration. We change the default you will need to use the kubectl set-config command and specify the name of the namespace want to be used as default.

How do you get nodes in kubectl?

  1. List the nodes in your cluster, along with their labels: kubectl get nodes –show-labels. …
  2. Chose one of your nodes, and add a label to it: kubectl label nodes <your-node-name> disktype=ssd. …
  3. Verify that your chosen node has a disktype=ssd label: kubectl get nodes –show-labels.

How do I create a namespace in kubectl?

  1. Create a new YAML file called my-namespace.yaml with the contents: apiVersion: v1 kind: Namespace metadata: name: <insert-namespace-name-here> …
  2. Alternatively, you can create namespace using below command: kubectl create namespace <insert-namespace-name-here>

Where can I find Kubeconfig file?

  1. –kubeconfig command-line flag. If set, only this file will be considered. …
  2. $KUBECONFIG environment variable. In this case, a list of files can be provided and kubectl will merge them. …
  3. Default . kube/config file located in the local user’s directory.

How do I edit a deployment in Kubernetes?

Updating a Kubernetes Deployment You can edit a Deployment by changing the container image from one version to the other, decreasing or increasing the number of instances by changing the ReplicaSet value.

How do I create a deployment in Kubernetes?

Creating Deployments You can create a Deployment using the kubectl apply , or kubectl create commands. Once created, the Deployment ensures that the desired number of Pods are running and available at all times. The Deployment automatically replaces Pods that fail or are evicted from their nodes.

How do I see the deployment file in Kubernetes?

  1. After the rollout succeeds, you can view the Deployment by running kubectl get deployments . …
  2. Run kubectl get rs to see that the Deployment updated the Pods by creating a new ReplicaSet and scaling it up to 3 replicas, as well as scaling down the old ReplicaSet to 0 replicas.

What is a kubectl context?

A context is a group of access parameters. Each context contains a Kubernetes cluster, a user, and a namespace. The current context is the cluster that is currently the default for kubectl : all kubectl commands run against that cluster.

How do I log into pod in Kubernetes?

  1. yes you can kubectl exec <pod-name> -it — /bin/sh. – confused genius. May 16 ’21 at 17:15.
  2. I was able to login to pod with command: kubectl exec <pod_name> -n <pod_namespace> -it /bin/sh. – solveit. May 18 ’21 at 14:51.

Are nodes created by Kubernetes?

Kubernetes creates a Node object internally (the representation). Kubernetes checks that a kubelet has registered to the API server that matches the metadata.name field of the Node. If the node is healthy (i.e. all necessary services are running), then it is eligible to run a Pod.

How do I remove a service from kubectl?

You can delete a StatefulSet in the same way you delete other resources in Kubernetes: use the kubectl delete command, and specify the StatefulSet either by file or by name. You may need to delete the associated headless service separately after the StatefulSet itself is deleted.

How do I remove replica set in Kubernetes?

To delete replicaset, all we have to do is run “kubectl delete replicaset myapp-replicas”. This command will delete the replicasets and the pods.

When to use kubectl create vs kubectl apply?

The key difference between kubectl apply and create is that apply creates Kubernetes objects through a declarative syntax, while the create command is imperative. 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.

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