Install Kubernetes on Centos 7

Disable and stop firewall

# Disable firewall service
systemctl disable firewalld

# Stop firewall service
systemctl stop firewalld

Install etcd and kubernetes

Install etcd and kubernetes and it will also install docker.

yum install -y etcd kubernetes

Start service in order

systemctl start etcd
systemctl start docker
systemctl start kube-apiserver
systemctl start kube-controller-manager
systemctl start kube-scheduler
systemctl start kubelet
systemctl start start kube-proxy