Skip to content
Captain's Academy0
← Kubernetes sea chart
Island 5 · Cluster Maintenance · Port 5.3

Upgrading a cluster: the plan

Ask the Captain
Instagram
Cluster on 1.36, 1.37 is out. In what order?
You'll learn to

order: control plane first, one minor at a time

Recap

  1. 1API server first, then controller manager + scheduler, kubelets last
  2. 2Workers: all at once, one at a time, or new nodes
  3. 3kubeadm upgrade plan shows the target (kubelet not included)
Check yourself

You have three workers and no room for downtime. Which strategy?

5.3

Stamp this lesson

Watched it and passed the check? Mark it in your logbook.