$ curl -sfL https://get.k3s.io | sh -

$ curl -sfL https://get.k3s.io > install-script.sh

chmod +x install-script.sh
./install-script.sh

$ kubectl get pods --all-namespaces

$ kubectl get nodes
NAME  STATUS  ROLES   AGE  VERSION
kilo  Ready   master  15m  v1.16.3-k3s.2

$ kubectl get events --all-namespaces

$ systemctl status k3s

iptables --nvL

$ systemctl status firewalld

$ systemctl stop firewalld

$ kubectl apply -f https://k8s.io/examples/admin/dns/busybox.yaml
pod/busybox created

apiVersion: v1
kind: Pod
metadata:
  name: busybox
  namespace: default
spec:
  containers:
  - name: busybox
    image: busybox:1.28
    command:
      - sleep
      - "3600"
    imagePullPolicy: IfNotPresent
  restartPolicy: Always

$ k3s agent --server https://${MASTER}:6443 --token ${TOKEN}

$ curl -sfL https://get.k3s.io | K3S_URL=https://${MASTER}:6443 TOKEN=${TOKEN} sh -

$ curl -sfL https://get.k3s.io | sh -

$ cat /var/lib/rancher/k3s/server/node-token
K10fc63f5c9923fc0b5b377cac1432ca2a4daa0b8ebb2ed1df6c2b63df13b092002::server:bf7e806276f76d4bc00fdbf1b27ab921

$ ip a

$ ssh -i k3s-key.pem ubuntu@34.XXX.XXX.XXX # Agent node over public IP address

$ export MASTER="172.30.2.181" # Private IP Address
$ export TOKEN="K10fc63f5c9923fc0b5b377cac1432ca2a4daa0b8ebb2ed1df6c2b63df13b092002::server:bf7e806276f76d4bc00fdbf1b27ab921"

$ curl -sfL https://get.k3s.io | K3S_URL=https://${MASTER}:6443 K3S_TOKEN=${TOKEN} sh -

$ k3s agent -u ${MASTER} --token ${TOKEN} --docker &