19.12. Additional Resources

The following sources of information provide additional resources regarding PTP and the ptp4l tools.

19.12.1. Installed Documentation

  • ptp4l(8) man page — Describes ptp4l options including the format of the configuration file.
  • pmc(8) man page — Describes the PTP management client and its command options.
  • phc2sys(8) man page — Describes a tool for synchronizing the system clock to a PTP hardware clock (PHC).
  • timemaster(8) man page — Describes a program that uses ptp4l and phc2sys to synchronize the system clock using chronyd or ntpd.

19.12.2. Useful Websites