Use Oracle Database Preinstallation RPM to simplify operating system configuration in preparation for Oracle software installations.

Oracle recommends that you install Oracle Linux and use Oracle Database Preinstallation RPM to configure your operating systems for Oracle Database and Oracle Grid Infrastructure installations.

• About the Oracle Database Preinstallation RPM
  If your Linux distribution is Oracle Linux, or Red Hat Enterprise Linux, and you are an Oracle Linux support customer, then you can complete most preinstallation configuration tasks by using the Oracle Database Preinstallation RPM for your release.
• Overview of Oracle Linux Configuration with Oracle Database Preinstallation RPM
  Use Oracle Database Preinstallation RPM to simplify operating system configuration, and to ensure that you have required kernel packages.
• Installing the Oracle Database Preinstallation RPM Using ULN
  Use this procedure to subscribe to Unbreakable Linux Network (ULN) Oracle Linux channels for your Oracle software.
• Installing Oracle Database Preinstallation RPM During an Oracle Linux Installation
  Use this procedure to install a new Oracle Linux installation and to perform system configuration with the Oracle Database Preinstallation RPM:
• Installing Oracle Oracle Database Preinstallation RPM Using the Oracle Linux yum Server
  Install Oracle Linux and configure your Oracle Linux installation for security errata or bug fix updates using the Oracle Linux yum server.
• Configure Additional Operating System Features
  Oracle recommends that you configure your operating system before starting installation with additional features, such as IPMI or additional programming environments.