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

Oracle recommends that you install Oracle Linux 7 and use Oracle Preinstallation RPM to configure your operating systems for Oracle Database and Oracle Grid Infrastructure installations.

• Overview of Oracle Linux Configuration with Oracle Preinstallation RPM
  Use Oracle Preinstallation RPM to simplify operating system configuration, and to ensure that you have required kernel packages.
• Installing the Oracle Preinstallation RPM with ULN Support
  Use this procedure to subscribe to Unbreakable Linux Network (ULN) Oracle Linux channels for your Oracle software.
• Installing the Oracle Preinstallation RPM From Unbreakable Linux Network
  Use this procedure to subscribe to Oracle Linux channels, and to add the Oracle Linux channel that distributes the Oracle Preinstallation RPM.
• Installing a New Oracle Linux Installation from DVDs or Images
  Use this procedure to install a new Oracle Linux installation and to perform system configuration with the Oracle Preinstallation RPM:
• Installing Oracle Linux with Oracle Linux Yum Server Support
  Use this procedure to install Oracle Linux and configure your Linux installation for security errata or bug fix updates using the Oracle Linux yum server.
• Configuring Oracle Ksplice to Perform Oracle Linux Updates
  You can configure Oracle Ksplice to perform zero downtime updates for your operating system if you have an Oracle Linux Premier Support subscription and an access key, which is available on Unbreakable Linux Network (ULN).
• 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.