/k8s-CKA

Certified Kubernetes Administrator - my learning notes

CKA - helper repo

Content
  • template.yml - cloud formation script to create master node (tools / kubernetes cluster / base server)

Installing Kubeadmin

NOTE:
  • makes sure you have install container runtime ( Kubeadnin will automatically detect it)
  • docker needed to run using systemd cgroup ( can change using --exec-opt native.cgroupdriver=systemd in start up script)

Instructions

  • Update the apt package index and install packages needed to use the Kubernetes apt repository:
sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl
  • Download the Google Cloud public signing key:
sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
  • add the Kubernetes apt repository:
echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
  • Update apt package index, install kubelet, kubeadm and kubectl, and pin their version
sudo apt-get update
sudo apt-get install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl