Difficulty: intermediate
Estimated Time: 30 minutes

What is etcd

It is a key/value pair distributed database

About the Course

You will learn about the installation process, basic usage and clustering.

Congratulations!

You have learned Centreon installation the hard way

Introduction to etcd

Step 1 of 3

Step 1 - Initialize kubernetes cluster

Initialize kubernetes cluster using kubeadm kubeadm init

Go to Node Terminal and execute the command on the last line of kubeadm init. It looks like:

kubeadm join 172.17.0.16:6443 --token f5wqng.s7yvanrkug1p9her \
    --discovery-token-ca-cert-hash sha256:e50d7e45b5d8a0819466caa5ee1f6576050ac9285537d17f569447be5670f72c

Set KUBECONFIG to authorize kubectl export KUBECONFIG=/etc/kubernetes/admin.conf

List all pods in kube-system namespace kubectl get po -n kube-system

Terminal Host 2