How do I add ntp servers??

[Robert Moskowitz]

Tom Horsley wrote:
> On Tue, 24 Mar 2009 11:04:28 -0700
> Rick Stevens wrote:
>
>   
>> I wish they'd make up their minds as to which set of files they're going
>> to use, although this may be an ntpd version thing.  First it was
>> /etc/ntp.conf, then it was /etc/ntp/ntpservers and step-tickers, now
>> it's back to /etc/ntp.conf.  I get confused.
>>     
>
> Actually step-tickers is still used if you check the "set time at boot"
> box.
>
> Generally speaking, the best way to get NTP servers these days is to
> use the "pool" servers (unless you have a closer local one such
> as one run by your ISP or corporation). See http://www.pool.ntp.org/en/use.html

I have three servers go out and get time, but they are then configured 
as ntp servers themselves for all internal systems.