Kuberbates Cluster Deployment

https://thenewstack.io/how-to-deploy-a-kubernetes-cluster-with-ubuntu-server-18-04/

6443 was refused - did you specify the right host or port

https://serverfault.com/questions/988845/kubernetes-api-server-wont-start-after-reboot

fix DNS server setting

https://datawookie.netlify.app/blog/2018/10/dns-on-ubuntu-18.04/

Install kubernetes on Ubuntu 20.04, works on vSphere 7

https://linuxconfig.org/how-to-install-kubernetes-on-ubuntu-20-04-focal-fossa-linux

Node1 config

/run/flannel/subnet.env

FLANNEL_NETWORK=10.244.0.0/16
FLANNEL_SUBNET=10.244.0.1/24
FLANNEL_MTU=1450
FLANNEL_IPMASQ=true

https://github.com/kubernetes/kubernetes/issues/70202

The app will be deployed on the node not on master

Deploy Dashboard

https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/

Access Dashboard Remotely - Change it to NodePort
https://www.edureka.co/community/31282/is-accessing-kubernetes-dashboard-remotely-possible

Restart Kubernetes Pod

kubectl -n kubernetes-dashboard rollout restart deployment

https://medium.com/faun/how-to-restart-kubernetes-pod-7c702ca984c1

Get admin token

https://www.replex.io/blog/how-to-install-access-and-add-heapster-metrics-to-the-kubernetes-dashboard