Installing instructions:

Initialize master:

kubeadm init --pod-network-cidr=
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

kubectl apply -f

Join worker nodes:

kubeadm join --token *** \
    --discovery-token-ca-cert-hash ***

Create simple deployment

kubectl create deployment nginx --image=nginx
kubectl get pods

Forward port and check it using curl:

kubectl port-forward nginx-6799fc88d8-dlm4k 8081:80

curl -I
HTTP/1.1 200 OK
Server: nginx/1.19.9
Date: Tue, 06 Apr 2021 20:03:48 GMT
Content-Type: text/html
Content-Length: 612
Last-Modified: Tue, 30 Mar 2021 14:47:11 GMT
Connection: keep-alive
ETag: "606339ef-264"
Accept-Ranges: bytes

Check version of nginx:

kubectl exec -it nginx-6799fc88d8-dlm4k -- nginx -v

Expose deployment and check it:

kubectl expose deployment nginx --port 80 --type NodePort
kubectl get svc

kubectl get pod -o wide
curl -I ip-10-0-1-102:32242