Kubernetes · hands-on lab
Kubernetes Lab 22: Node Maintenance on a Multi-Node Cluster
Cordon, drain and uncordon worker nodes, label nodes and steer pods with node affinity on a three-node cluster.
- 45 minutesTime in the lab
- AdvancedLevel
- 7 tasksChecked automatically
- CertificateVerifiable link when you finish
The situation
node02 needs a kernel patch and node01 has a new SSD. You move workloads safely and place new ones on the right node.
What you will do
- Explore: Nodesquestion
- Explore: Node rolesquestion
- Guided exercise: Cordon
- Guided exercise: Drain for maintenance
- Guided exercise: Back in service
- Lab: Node affinity
- Drainquestion
How it works
The lab opens in your browser: a real terminal or desktop, nothing to install. Work through the tasks, press Check after each one and the portal verifies your work. Stuck? Ask for a hint. Finish every task and you get a certificate page with its own verification link for LinkedIn or your CV.