The software described in this documentation is either no longer supported or is in extended support.
Oracle recommends that you upgrade to a current supported release.
This section describes how to upgrade Oracle Linux Cloud Native Environment from Release 1.0 to Release 1.1.
When the Oracle Linux Cloud Native Environment packages and the Kubernetes cluster are upgraded to Release 1.1, you can install the new Istio module and use other new features in this release such as scaling a Kubernetes cluster.
Perform each step in this chapter in order to upgrade your environment from Release 1.0 to Release 1.1.
On each Kubernetes node, make changes to the firewall to set new rules
to disable masquerading and to add the cni0
interface to the trusted zone.
$sudo firewall-cmd --remove-masquerade$sudo firewall-cmd --remove-masquerade --permanent$sudo firewall-cmd --zone=trusted --add-interface=cni0$sudo firewall-cmd --zone=trusted --add-interface=cni0 --permanent