Managing time
RHEL 7 comes preinstalled with Chrony. While everybody knows Ntpd, Chrony is a newcomer to the game of timekeeping.
Chrony is a set of programs that maintains the time on your computer using different time sources, such as NTP servers, your system's clock, and even custom-made scripts/programs. It also calculates the rate at which the computer loses or gains time to compensate while no external reference is present—for example, if your NTP server(s) is(are) down.
Chrony is a good solution for systems which are intermittently disconnected and reconnected to a network.
Ntpd should be considered for systems that are normally kept on permanently.
How to do it…
When talking about managing time in RHEL, it can be done through:
- Chrony
- Ntpd
We'll ...
Get Red Hat Enterprise Linux Server Cookbook 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.
