Configuring SSH Manually on All Cluster Nodes

SSH is used during installation to configure cluster member nodes, and SSH is used after installation by configuration assistants, Oracle Enterprise Manager, Opatch, and other features.

• About Passwordless SSH Configuration
  Passwordless SSH configuration is a mandatory installation requirement for Oracle Grid Infrastructure installation to configure cluster member nodes. You can use any method to establish passwordless SSH configuration.
• Checking Existing SSH Configuration on the System
  Use this procedure to check if SSH is already configured and running on your server.
• Configuring SSH on Cluster Nodes
  You must configure SSH separately for each Oracle software installation owner that you intend to use for installation.
• Enabling SSH User Equivalency on Cluster Nodes
  After you have copied the authorized_keys file that contains all keys to each node in the cluster, complete the following procedure.