!!!!!!!!!!!!!!  WARNING !!!!!!!!!!!!!!!!!!

The ntpdate program is deprecated and should not be used any more.  To

quote the upstream ntp developers:（ntpdate程序今后不宜再次使用）

（该函数由ntpd模块提供，如果使用-q参数将会修改当前的时间并且根据相关的值

进行设置）

  "The functionality ntpdate offered is now provided by the ntpd daemon

  itself.  If you call ntpd with the command line option -q it will

  retrieve the current time and set it accordingly."

Please check the Network Time Protocol (NTP) daemon man page and

  http://support.ntp.org/bin/view/Dev/DeprecatingNtpdate

for further information.

You can replace the ntpdate call with "rcntp ntptimeset" to achieve an

inital poll of the servers specified in /etc/ntp.conf.

The program /usr/sbin/sntp offers comparable functionality to ntpdate.

Specifically

  sntp -P no -r pool.ntp.org

is equivalent to

  ntpdate pool.ntp.org

程序/usr/sbin/sntp提供和ntpdate类似的功能

For further details please refer to the man page of sntp.

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