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Linux synchronization time

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Author: User
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Linux synchronization time
Recently, I found that the time difference between the server time and my computer is 2 minutes.

So I checked and found that Amazon's time server was 2 minutes behind.
So I changed one.

# Crontab-e // synchronously update the time every hour **/1 *** ntpdate pool.ntp.org if ntpdate in crontab does not take effect, use the absolute path **/1 **/usr/sbin/ntpdate pool.ntp.org instead.

Sometimes an error is reported:

3 Dec 16:26:42 ntpdate [12489]: the NTP socket is in use, exiting

You need to stop the ntpd service.

Service ntpd stop

Everything works.

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