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How to use hwclock command to set hardware date and time in Linux

2025-04-06 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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In this issue, the editor will bring you about how to use the hwclock command to set the hardware date and time in Linux. The article is rich in content and analyzes and describes for you from a professional point of view. I hope you can get something after reading this article.

The specific methods are as follows:

# hwclock-systohc

# hwclock-systohc-utc

Using hwclock without any parameters, you can view the current hardware date and time.

# hwclock

Check the clock file to confirm that UTC is set:

# cat / etc/default/rcS

UTC=yes

You can see this in some other versions of Linux, such as RebHat:

# cat / etc/sysconfig/clock

ZONE= "America/Los_Angeles"

UTC=false

ARC=false

The above is how to use the hwclock command to set the hardware date and time in the Linux shared by the editor. If you happen to have similar doubts, please refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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