apt-get -y install ntp ntpdate
ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
*biisoni.miuku.n 207.224.49.219 2 u 34 64 1 21.046 -1.654 0.021
palpatine.steve 132.239.1.6 2 u 33 64 1 20.605 -0.771 0.019
chimera.buffero 139.78.97.128 2 u 32 64 1 53.980 4.011 0.024
mdnworldwide.co 127.67.113.92 2 u 31 64 1 60.242 -5.147 0.024
ntpdate -d ntp1.jst.mfeed.ad.jp ntpdate -d ntp1.jst.mfeed.ad.jp
6 Mar 14:52:27 ntpdate[336]: ntpdate [email protected] Fri Jul 22 17:30:52 UTC 2016 (1)
transmit(210.173.160.27)
receive(210.173.160.27)
transmit(210.173.160.27)
receive(210.173.160.27)
transmit(210.173.160.27)
receive(210.173.160.27)
transmit(210.173.160.27)
receive(210.173.160.27)
server 210.173.160.27, port 123
stratum 2, precision -24, leap 00, trust 000
refid [210.173.160.27], delay 0.12630, dispersion 0.00000
transmitted 4, in filter 4
reference time: dc67767d.0ccaec3f Mon, Mar 6 2017 14:47:41.049
originate timestamp: dc6777a1.647a51eb Mon, Mar 6 2017 14:52:33.392
transmit timestamp: dc6777a1.59558108 Mon, Mar 6 2017 14:52:33.348
filter delay: 0.12637 0.12630 0.12637 0.12640
0.00000 0.00000 0.00000 0.00000
filter offset: -0.00692 -0.00692 -0.00693 -0.00687
0.000000 0.000000 0.000000 0.000000
delay 0.12630, dispersion 0.00000
offset -0.006922
6 Mar 14:52:33 ntpdate[336]: adjust time server 210.173.160.27 offset -0.006922 sec
