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 14 Network Time Configuration

This chapter describes how to configure a system to use the Network Time Protocol (NTP) or Precision Time Protocol (PTP) daemons for setting the system time.