Fedora 21
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Configure NTP Client : Fedora
[1] It's the time synchronization on Fedora Client.
[root@dlp ~]#
ntpdate ntp1.jst.mfeed.ad.jp

10 Dec 21:16:17 ntpdate[1807]: adjust time server offset 0.002761 sec
Configure NTP Client : Windows
It's the time synchronization on Windows Client. This example shows on Windows 7.
[2] Click the time on the right-bottom and Open "Change the date and time settings".
[3] Move to "Internet Time" tab and click "Change settings" button.
[4] Input your NTP server's hostname or IP address and click "Update now" button.
[5] If it's OK all, the message that the time synchronization finished is shown.