Connect to a Node with PuTTY

You can access a node in an Oracle Java Cloud Service instance from a Windows platform by using PuTTY, an open source networking client.

After you open an SSH connection to a node, you can issue commands to the Linux OS.

To download PuTTY, go to

  1. Access your service console.
  2. Click the name of the service instance that contains the node that you want to access.
  3. On the Overview page, identify the Public IP address of the node that you want to access.
    For example,
  4. Start PuTTY on your Windows computer.
    The PuTTY Configuration window is displayed, showing the Session panel.
  5. In the Host Name (or IP address) field, enter the public IP address of the node.
  6. In the Category navigation tree, expand Connection, and then click Data.
  7. In the Auto-login username field, enter opc.
  8. In the When username is not specified field, select Prompt.
  9. In the Category tree, expand Connection, expand SSH, and then click Auth.
  10. Under Private key file for authentication, click Browse.
  11. Navigate to the location of your private key file, and select it. Click Open.
    This private key corresponds to the public key that you specified when you created this service instance.


    The .ppk file extension indicates that the private key is in PuTTY's proprietary format. You must use a key of this format when using PuTTY. If Oracle Cloud generated this key for your service instance, see the PuTTY documentation for information about converting the key format.
  12. Optional: To save this session configuration, click Session in the Category tree, and then click Save.
    To load a saved configuration, select the configuration name, and then click Load.
  13. Click Open.
  14. If prompted, enter the passphrase for the private key.