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[linux] Linux uses chrony to synchronize system time

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Posted on 9/3/2024 9:24:57 PM | | | |
Requirements: Rocky Linux 9 system time is wrong, I don't want to set the time manually, and then I tried to install the ntpdate package, but I found that I couldn't find it, and then, now I start using chrony to synchronize the system time.

Linux updates system time and time zone
https://www.itsvse.com/thread-10215-1-1.html

chrony vs ntpdate comparison

Chrony and NTPD are two different implementations of the Network Time Protocol (NTP). Chrony is a newer implementation that is designed to work properly under a wider range of conditions. It typically synchronizes the system clock faster and has greater time accuracy.



Install chrony

For example, on Rocky Linux 9, install chrony (a modern version of NTP) command as follows:

I found that it has been installed, edit the /etc/chrony.conf configuration, and the command is as follows:

The settings are as follows:



Start the chronyd service and set the boot auto-start with the following command:

Run the following command to check the native time synchronization status to verify that the service has started:



To view the list of time synchronization servers, command:



Reference:The hyperlink login is visible.





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 Landlord| Posted on 9/3/2024 9:26:30 PM |
Attached is the configuration information of Alibaba Cloud's new ECS default chrony.conf:




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