Re: method to sync time?

["Craig T. Milling" <c-milli@mail.physics.uiuc.edu>]

On Wed, 1 Aug 2001, Paul Branston wrote:

> On Tue, Jul 31, 2001 at 10:06:34AM -0700, Mike Wahle wrote:
> > "rdate" should work as well.  Although I have no idea
> > the advantages of ntpdate vs rdate ... Anyone have
> > insight on that ?
> >
>
> rdate is brutal and will make sudden switches of time, even
> backwards. Obviously things which take notice of timestamps
> don't always like this. ntpdate makes gradual changes towards
> synchronisation and has all sorts of safeguards builtin.
>

from the rdat man page:
rdate -a : use adjtime(8) to gradually skew local time to the remote time,
           rather than just hopping.