To use this pool zone, add the following to your ntp.conf file:
server 0.north-america.pool.ntp.org
server 1.north-america.pool.ntp.org
server 2.north-america.pool.ntp.org
server 3.north-america.pool.ntp.
laptop john # ntpdate server 0.north-america.pool.ntp.org
Error : Name or service not known
14 May 18:32:10 ntpdate[8628]: can't find host server
14 May 18:32:10 ntpdate[8628]: the NTP socket is in use, exiting
laptop ~ # /etc/init.d/ntp-client restartlaptop ~ # ntpq -p server 0.north-america.pool.ntp.org
Name or service not known
***Can't find host server
server remote refid st t when poll reach delay offset jitter
==========================================================================================================
zoiedog.com +ntp2.csl.tjhsst 192.5.41.41 2 u 942 1024 377 4.246 1.262 0.097
zoiedog.com *tick.usno.navy. .USNO. 1 u 14 1024 377 10.628 -1.157 0.756
zoiedog.com +ntp1.usno.navy. .USNO. 1 u 959 1024 337 10.559 -1.955 0.665
zoiedog.com LOCAL(1) .LOCL. 10 l 12 64 377 0.000 0.000 0.002
laptop ~ # ntpq -p 0.north-america.pool.ntp.org
remote refid st t when poll reach delay offset jitter
==============================================================================
+ntp2.csl.tjhsst 192.5.41.41 2 u 979 1024 377 4.246 1.262 0.097
*tick.usno.navy. .USNO. 1 u 51 1024 377 10.628 -1.157 0.756
+ntp1.usno.navy. .USNO. 1 u 996 1024 337 10.559 -1.955 0.665
LOCAL(1) .LOCL. 10 l 49 64 377 0.000 0.000 0.002
laptop ~ #
* Setting clock via the NTP client 'ntpdate' ... [ ok ]
laptop ~ # Error : Name or service not known