[ntp:questions] NTP installation and configuration on Solaris

Melanie Pfefer melanie_pfefer at yahoo.co.uk
Mon Nov 10 18:05:11 UTC 2008


how to stop and start ntp on solaris knowing that svcadm will start/stop the native ntp?

I installed ntp under /usr/local/

the bin folder has:

ntp-keygen  ntp-wait    ntpd        ntpdate     ntpdc       ntpq        ntptime     ntptrace

thanks


--- On Mon, 10/11/08, Kevin Oberman <oberman at es.net> wrote:

> From: Kevin Oberman <oberman at es.net>
> Subject: Re: [ntp:questions] NTP installation and configuration on Solaris
> To: melanie_pfefer at yahoo.co.uk
> Cc: questions at lists.ntp.org
> Date: Monday, 10 November, 2008, 4:13 AM
> > Date: Sat, 8 Nov 2008 10:25:13 +0000 (GMT)
> > From: Melanie Pfefer
> <melanie_pfefer at yahoo.co.uk>
> > Sender: questions-bounces+oberman=es.net at lists.ntp.org
> > 
> > Hi,
> > 
> > As you said, Solaris 10 has already ntp installed. I
> followed your
> > recommendation since you told me that the ntp bundled
> with Solaris has
> > an old version (how to check ntp version by the way?
> And are we
> > installing here a NTP server or a NTP client?)
> 
> It logs the version when it starts, or 
> strings `which ntpd` | grep "NTP daemon program"
> 
> 
> > Anyway, I installed ntp-4.2.4p4 (default
> installation). I also
> > disabled the solaris ntp.
> > 
> > What are the post installation steps? I do not see a
> configuration
> > file. Should I simply copy /etc/inet/ntp.server to
> /etc/inet/ntp.conf?
> 
> Not being a Solaris person, I can't say what is in
> /etc/inet/ntp.server. 
> 
> The config file in most cases is a list of servers. If you
> don't have a
> reference server of your own and don't have contacts
> with someone that
> does, you can use uk.pool.ntp.org, but check with your
> Internet provider
> as many do have available servers. This is pretty likely to
> have a
> symmetric path. Asymmetric paths (that is a different path
> to the server
> and from the server) will result in a time offset which is
> normally
> fairly small, but can be over 100 ms. in some cases.
> 
> See the man page "man ntp.conf" or see the
> documentation at ntp.org.
> 
> You should try to list at least three servers to provide
> assurance that
> one going crazy won't mess up your time. More is
> better. I also
> recommend using the 'iburst' argument on each
> 'server' line. (Do NOT use
> 'burst'!)
> 
> > Isn’t used only by the native ntp of solaris?
> I have no idea, but I suspect so.
> 
> > What is the difference between /etc/inet/ntp.server
> and /etc/inet/ntp.client?
> > Now I have the same binaries installed under
> /usr/local/bin and /usr/sbin
> > 
> > which ntpq
> > /usr/sbin/ntpq
> > 
> > which ntpdate
> > /usr/sbin/ntpdate
> > 
> > which ntpq
> > /usr/sbin/ntpq
> > 
> >  which ntptrace
> > /usr/sbin/ntptrace
> > 
> > Should I simply update PATH variable? Is there any
> better suggestion?
> 
> Again, this is OS specific, so I'll defer to someone
> who works with
> Solaris. 
> -- 
> R. Kevin Oberman, Network Engineer
> Energy Sciences Network (ESnet)
> Ernest O. Lawrence Berkeley National Laboratory (Berkeley
> Lab)
> E-mail: oberman at es.net			Phone: +1 510 486-8634
> Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3
> 987B 3751


      



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