Microk8s Upgrade Nodes

• https://microk8s.io/docs/upgrading

On each node

sudo microk8s.kubectl get nodes

sudo microk8s kubectl drain kub3 --ignore-daemonsets # --force  --delete-emptydir-data

ssh kub3

sudo snap refresh microk8s --channel=1.21/stable

sudo microk8s.kubectl get nodes

If you want to update kernel

sudo apt update && sudo apt -y upgrade
reboot

sudo microk8s kubectl uncordon k3