Chapter 16: Understanding Timekeeping with systemd
On modern computer systems, it's vitally important to maintain accurate time. To do that, our computers obtain the current time from a time server while using some implementation of the Network Time Protocol (NTP). In this chapter, we'll look at these various implementations and discuss the pros and cons of each.
In this chapter, we will cover the following topics:
- Understanding the importance of accurate time
- Comparing NTP implementations
- Understanding chrony
- Understanding systemd-timesyncd
- Understanding the Precision Time Protocol (PTP)
All right, it's time to get started!
Technical requirements
Timekeeping is done differently in the Ubuntu and RHEL worlds. So, we'll be using both Ubuntu ...
Get Linux Service Management Made Easy with systemd now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.