Kubernetes Cluster Setup In 15 minuets | RHEL7 | centOS7

This video demonstrate about how to configure kubernetes cluster in redhat7/centOS7 environment. Simple few step to setup and build your kubernetes cluster. =============================== 1. Install packages on master and minions yum install kubeadm docker -y 2. Stop firewall/selinux sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config 3. Start docker and kubelet service for i in kubelet docker; do systemctl start $i; systemctl enable $i;systemctl status $i; done 4. Ensure swap is off and comment in fstab swapoff -a 5. Enable IP forwarding or iptables. Update below lines in /etc/sysctl.conf net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 6. To take effect the new kernel paramater settings: sysctl -p 7. Set IP range for pods or docker container: kubeadm init --pod-network-cidr=172.30.0.0/16 8. mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config 9. Configure flannel networking for your docker containner. kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml