The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

Chapter 2 Installing Oracle Linux Manually

This chapter describes how to install Oracle Linux manually from a boot image that is available on CD, DVD, USB memory stick, hard drive, virtual device hosted by a virtual machine hypervisor, or a remote server that is accessible via HTTP or NFS.