how to upgrade Kubernetes cluster

Published: 22 April 2020
on channel: Zariga Tongy

Reference :

How to upgrade Kubernetes cluster

step-0

kubectl drain $NODE --ignore-daemonsets

yum install -y kubeadm-1.15.11-0 --disableexcludes=kubernetes

kubeadm upgrade plan

kubeadm upgrade apply v1.15.11

yum install -y kubectl-1.15.11-0 --disableexcludes=kubernetes

systemctl restart kubelet

kubectl uncordon $NODE

Step-2

yum install -y kubeadm-1.16.9-0 --disableexcludes=kubernetes

kubeadm upgrade plan

kubeadm upgrade apply v1.16.9

yum install -y kubectl-1.16.9-0 --disableexcludes=kubernetes

systemctl restart kubelet

Step-3

yum install -y kubeadm-1.17.5-0 --disableexcludes=kubernetes

kubeadm upgrade plan

kubeadm upgrade apply v1.17.5

yum install -y kubectl-1.17.5 --disableexcludes=kubernetes

systemctl restart kubelet

Step-4

yum install -y kubeadm-1.18.2-0 --disableexcludes=kubernetes

kubeadm upgrade plan

kubeadm upgrade apply v1.18.2

yum install -y kubectl-1.18.2 --disableexcludes=kubernetes

systemctl restart kubelet Grab 9 book :
Learning:

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