README.md

Lab: OS Patching

Walk-through Operating System patching for all K8s control plane and worker nodes.

Description

To maintain security of all your nodes, you'll need a patching strategy. With proper sequencing, you can patch all nodes without downtime of workloads.

Prerequisites

cd <TOP>/clusters/ubuntu-1804/simple
./up.sh

Objectives

Using only the Kubernetes documentation, perform system upgrades (not including container runtime / kubernetes binaries) on all nodes in the cluster without application downtime.

Solution

Tear Down

cd <TOP>/clusters/ubuntu-1804/simple
./down.sh