Mike wrote:
Greets!
Ok. I'm looking at a client that needs to keep their server time close
as reasonably possible (within a minute) of the actual time of day.
I've installed the RPM for NTP and I'm looking for tips on what the
simplest setup should be, ie:
What server(s) should I be using for sync?
Should I just run it from a cron every 20 minutes or so?
CentOS 4.4 standard NTP install /etc/ntp.conf is set to use the
following NTP servers:
server 0.pool.ntp.org
server 1.pool.ntp.org
server 2.pool.ntp.org
These are sorta special in that they are backed by many different
servers and DNS queries expand them for you (do a "dig 0.pool.ntp.org a"
to see what I mean). Each time you do a DNS query to one of those
addresses you will get a different set of servers returned.
So to simplify what I'm saying you just need to:
# yum install ntp (if not already installed)
# chkconfig ntpd on
# service ntpd start
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