Download and apply required patches for your software release after completing your initial installation.

• Downloading Release Update Patches
  Download and install Release Updates (RU) and Release Update Revisions (RUR) patches for your Oracle software after you complete installation.
• Setting External Jobs Ownership for HP-UX Installations
  On HP-UX platforms only, set external jobs ownership to a low-privilege user.
• Setting the Oracle User Environment Variables
  Set the environment variables in the installation owner user profile file on each cluster node.
• Recompiling All Invalid Objects
  Identify and recompile invalid objects on the CDB and PDBs using the catcon utility to run utlrp.sql after you install, patch, or upgrade a database.
• Configuring Services on Oracle RAC and Oracle RAC One Node Databases
  You must add services to the PDBs after installation, if you add PDBs after installation.
• Copying Oracle ASM Password File For Oracle RAC One Node Database
  Copy the Oracle ASM password file, if configured, to all candidate nodes configured for fail over after installing Oracle RAC One Node database.