error: exec plugin: invalid apiVersion "client.authentication.k8s.io/v1alpha1"

Kubectl Error:

you may get this error when ever you are running kubectl command

error: exec plugin: invalid apiVersion "client.authentication.k8s.io/v1alpha1"

Solution: 

Make sure you update kubeconfig with below command:

aws eks update-kubeconfig --name ${EKS_CLUSTER_NAME} --region ${REGION}

Install kubectl on Ubuntu Instance | How to install kubectl in Ubuntu

Kubernetes uses a command line utility called kubectl for communicating with the cluster API server.

It is tool for controlling Kubernetes clusters. kubectl looks for a file named config in the $HOME/

How to install Kubectl in Ubuntu instance

Download keys from google website

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -

Create the below file

sudo touch /etc/apt/sources.list.d/kubernetes.list

echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list

Update package manager

sudo apt-get update

Install

sudo apt-get install -y kubectl

Verify if kubectl got installed

kubectl version --short --client

How to install kubectl on Linux | Install kubectl on Amazon Linux / Red Hat Linux

Kubernetes uses a command line utility called kubectl for communicating with the cluster API server.

Download Amazon EKS-vended kubectl binary from Amazon S3

curl -o kubectl https://s3.us-west-2.amazonaws.com/amazon-eks/1.22.6/2022-03-09/bin/linux/amd64/kubectl

Apply execute permissions to the binary

chmod +x ./kubectl

Copy binary into a folder and add to path

mkdir -p $HOME/bin && cp ./kubectl $HOME/bin/kubectl && export PATH=$PATH:$HOME/bin

Add the $HOME/bin path to your shell initialization file so that it is configured when you open a shell.

echo 'export PATH=$PATH:$HOME/bin' >> ~/.bashrc

Verify if kubectl got installed

kubectl version --short --client

Client Version: v1.22.6-eks-7d68063