Kubernetes Worker installation

• Obtain master node token
  • cat /var/lib/rancher/k3s/server/token
• Worker node installation command

  • KMASTER_TOKEN=K10bb9d4b55d0fecb3b8cf4f4d741cfd81d46227a03cac93b4d0c2e31b513b99491::sever:463ae71ba6aa002fd67bd02ce7078ce4

    KMASTER_URL=https://192.168.1.200:6443

    curl -sfL https://get.k3s.io | K3S_URL="$KMASTER_URL" K3S_TOKEN="$KMASTER_TOKEN" sh -
     

Kubernetes commands 

1. List all nodes
   • kubectl get nodes

Connect My MACBOOK to K3s Kubernetes cluster

• Download the k3s master node kube config file, K3s is using k3s.yaml file located at /etc/rancher/k3s directory
  • You can also check the directory /etc/kubernetes/admin.conf for other kubernetes cluster deployment
• On your local MacBook you need to setup the kubectl config directory
  • mkdir -p ~/.kube
• Copy the cube confg file to your MACBOOK using scp
  • scp apps@192.168.1.200:/etc/rancher/k3s/k3s.yaml ~/.kube/config
• You also need to change the server address inside the config file
  • vi ~/.kube/config
  • change the server address to your kmaster node address
    • server: https://192.168.1.200:6443
• Test if it works
  • kubectl get nodes