Kubectl

sudo curl -fsSLo /etc/apt/keyrings/kubernetes-archive-keyring.gpg\
 https://packages.cloud.google.com/apt/doc/apt-key.gpg

cat << EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list >/dev/null
deb [arch=$(dpkg --print-architecture)\
 signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg]\
 https://apt.kubernetes.io/ kubernetes-xenial main
EOF

sudo apt update && sudo apt install -y apt-transport-https curl
sudo apt install -y docker-ce=5:20.10.14~3-0~ubuntu-focal\
 kubelet=1.23.5-00 kubeadm=1.23.5-00 kubectl=1.23.5-00

sudo apt-mark hold docker-ce kubelet kubeadm kubectl
sudo apt install docker-compose

kubeconfig

Kubernetes components like kubelet, kube-controller-manager, or kubectl use the kubeconfig file to interact with the Kubernetes API. Usually, the kubectl or oc commands use the kubeconfig file.

References

Kube » Config Kube » Install
Docker on Windows Docker Compose Kubernetes Minikube ZA Proxy Docker JMeter Helm