Kubectl

kubectl get users

kubectl get users
  1. How do I get a Kubernetes user?
  2. How do I list all users in Kubernetes?
  3. How do I add users to Kubernetes cluster?
  4. How do I check my permissions for Kubernetes?
  5. How does Kubectl connect to remote cluster?
  6. What is the difference between Kubectl and create?
  7. How do I change users on Kubectl?
  8. What does Kubectl create do?
  9. What is Kubectl?
  10. How do you get a Kubectl token?
  11. What is ClusterRole in Kubernetes?
  12. How does Kubectl authenticate?

How do I get a Kubernetes user?

We will do that using the 'kubectl config set-context' command below: $ kubectl config set-context bob --cluster=$(kubectl config view -o jsonpath='. clusters[0]. name') --namespace=bob --user=bob --kubeconfig=bob-k8s-config Context "bob" created.

How do I list all users in Kubernetes?

3 Answers

  1. Create service account for user Alice kubectl create sa alice.
  2. Get related secret secret=$(kubectl get sa alice -o json | jq -r .secrets[].name)
  3. Get ca.crt from secret (using OSX base64 with -D flag for decode) kubectl get secret $secret -o json | jq -r '.data["ca.crt"]' | base64 -D > ca.crt.

How do I add users to Kubernetes cluster?

Your answer

  1. Install kubectl brew install kubectl.
  2. Set cluster (run in directory where ca.crt is stored) kubectl config set-cluster cluster-staging \ --embed-certs=true \ --server=$endpoint \ --certificate-authority=./ca.crt.
  3. Set user credentials kubectl config set-credentials alice-staging --token=$user_token.

How do I check my permissions for Kubernetes?

You can check this by executing the command kubectl api-versions ; if RBAC is enabled you should see the API version . rbac.authorization.k8s.io/v1 .

How does Kubectl connect to remote cluster?

Step #2 — Copy the kubectl config file

kube/config in the master node of your remote Kubernetes cluster. This is the config file used by the kubectl utility installed in your remote cluster's master node. Note: kubectl is one of the utilities installed in any Kubernetes cluster or minikube during a cluster setup.

What is the difference between Kubectl and create?

In Kubectl create you specify what you want to create, delete or replace. While the kubectl apply uses Declarative approach. Where we tell the api how our cluster should look like. So your changes will be maintained even if you've applied changes to a live object.

How do I change users on Kubectl?

Users and clusters are tied to a context and you can change users and clusters by changing the context. Above command sets the current context to my-context-name . Now when kubectl is used the user and cluster tied to my-context-name context will be used.

What does Kubectl create do?

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.

What is Kubectl?

kubectl. The Kubernetes command-line tool, kubectl, allows you to run commands against Kubernetes clusters. You can use kubectl to deploy applications, inspect and manage cluster resources, and view logs. For more information including a complete list of kubectl operations, see the kubectl reference documentation.

How do you get a Kubectl token?

Obtaining the service account token by using kubectl

  1. Install kubectl in your cluster. ...
  2. Get the service account token by using kubectl. ...
  3. kubectl config set-credentials sa-user --token=$(kubectl get secret <secret_name> -o jsonpath=.data.token | base64 -d) kubectl config set-context sa-context --user=sa-user.

What is ClusterRole in Kubernetes?

A RoleBinding grants permissions within a specific namespace whereas a ClusterRoleBinding grants that access cluster-wide. A RoleBinding may reference any Role in the same namespace. Alternatively, a RoleBinding can reference a ClusterRole and bind that ClusterRole to the namespace of the RoleBinding.

How does Kubectl authenticate?

Authentication strategies. Kubernetes uses client certificates, bearer tokens, an authenticating proxy, or HTTP basic auth to authenticate API requests through authentication plugins.

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