Complete operating system configuration requirements and checks for Linux operating systems before you start installation.

You must meet the minimum requirements such as the operating system distribution, packages, and other software requirements for this release before you start an Oracle Database or Oracle Grid Infrastructure installation.

• Guidelines for Linux Operating System Installation
  Operating system guidelines to be aware of before proceeding with an Oracle installation.
• Reviewing Operating System and Software Upgrade Best Practices
  These topics provide general planning guidelines and platform-specific information about upgrades and migration.
• Reviewing Operating System Security Common Practices
  Secure operating systems are an important basis for general system security.
• About Installation Fixup Scripts
  Oracle Universal Installer detects when the minimum requirements for an installation are not met, and creates shell scripts, called fixup scripts, to finish incomplete system configuration steps.
• About Operating System Requirements
  Depending on the products that you intend to install, verify that you have the required operating system kernel and packages installed.
• Operating System Requirements for x86-64 Linux Platforms
  The Linux distributions and packages listed in this section are supported for this release on x86-64.
• Additional Drivers and Software Packages for Linux
  Information about optional drivers and software packages.
• Checking Kernel and Package Requirements for Linux
  To check your kernel and packages to see if they meet minimum requirements for installation, perform the following steps:
• Installing the cvuqdisk RPM for Linux
  If you do not use an Oracle Preinstallation RPM, and you want to use the Cluster Verification Utility, then you must install the cvuqdisk RPM.
• Confirming Host Name Resolution
  Check to ensure that the host name for your server is resolvable.
• Disabling Transparent HugePages
  Oracle recommends that you disable Transparent HugePages before you start installation.
• Using Automatic SSH Configuration During Installation
  To install Oracle software, configure secure shell (SSH) connectivity between all cluster member nodes.
• Verifying the Disk I/O Scheduler on Linux
  For best performance for Oracle ASM, Oracle recommends that you use the Deadline I/O Scheduler.