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This article focuses on "how to solve the problem that the time of using XEN virtual machine NTP can not be synchronized in CentOS". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to solve the problem that the time of using XEN virtual machine NTP can not be synchronized in CentOS".

Problem: for Xen-type virtual machines, kernel parameters need to be modified in order to effectively use NTP sources.

The resolution steps are as follows:

(1) modify kernel parameters

Echo 1 > / proc/sys/xen/independent_wallclock

(2) the following contents are added to the / etc/sysctl.conf configuration file in the virtual machine:

Xen.independent_wallclock=1

(3) to execute to make it effective:

Sysctl-p

You can now use the date command to modify the time and configure the NTP service.

At this point, I believe you have a deeper understanding of "how to solve the problem of NTP time synchronization using XEN virtual machines in CentOS". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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