Ntp

Some useful commands:

david@cydonia ~ $ ntpq -c pe
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
-xen0c.10mbit.bi 64.90.182.55     2 u  844 1024  377   25.870   14.653  15.800
*mircx.com       132.163.4.102    2 u  943 1024  377   61.815    6.705   2.755
+zeus.yocum.org  131.188.3.220    2 u  961 1024  377   27.989    0.981   3.108
+69.42.52.50.scr 128.100.56.135   3 u  435 1024  377   21.985    4.444   0.425
david@cydonia ~ $ ntpq -c as

ind assID status  conf reach auth condition  last_event cnt
===========================================================
  1   764  93a4   yes   yes  none   outlyer   reachable 10
  2   765  96a4   yes   yes  none  sys.peer   reachable 10
  3   766  94a4   yes   yes  none  candidat   reachable 10
  4   767  94a4   yes   yes  none  candidat   reachable 10
david@cydonia ~ $