The dbpatchmdg utility is provided on Oracle Database Classic Cloud Service deployments that are configured with Oracle Data Guard to perform a variety of patching operations.

To use the dbpatchmdg utility:

1. Connect as the opc user to a compute node associated with the Database Classic Cloud Service deployment.

   For instructions, see Connecting to a Compute Node Through Secure Shell (SSH).

2. Run the dbpatchmdg utility using a command of the form:

   # dbpatchmdg -option option-options

3. When you are finished using the dbpatchmdg utility, exit the root-user command shell and disconnect from the compute node:

   # exit
   $ exit