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如何更改 NTP 轮询间隔?

Solution Verified - Updated -

Issue

  • 如何在 /etc/ntp.conf/etc/chrony.conf 中配置 minpollmaxpoll 值?
  • RHEL NTP 客户端多长时间轮询一次 NTP 服务器?
  • NTP 客户端多长时间与 NTP 服务器进行同步?
  • 是否建议更改 NTP 轮询间隔?
  • ntpd/chronyd 的默认轮询间隔是多少?

Environment

  • Red Hat Enterprise Linux (RHEL) 6, 7, 8
  • ntp
  • chrony
  • NTP (网络时间协议)

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