Prerequisites

Before you upgrade the OS version, perform the steps below.
  1. Take snapshot of existing setup - VM snapshots of the current setup should be taken as a backup.
  2. Stop the application and services that are running - Execute the commands in the order below in all the nodes, if you have a multi-node setup.
    systemctl stop appviewx.service
    systemctl stop kubelet.service
    systemctl stop containerd.service
  3. Disable the following services - Execute the commands in the order below in all the nodes, if you have a multi-node setup.
    systemctl disable appviewx.service
    systemctl disable kubelet.service
    systemctl disable containerd.service