Thanks Steven!
the rdate man page is so small I can recite it in one breath, it
does not mention xinetd nor /etc/xinetd.d/time
I RTFM but the 'security through obscurity'
that permeates Linux documentation prevailed.
After Steven's clue, I could infer from the 'time server' comment
in the man page that the cure would be found in /etc/xinetd.d/time.
This is classic: the docs help the writers of the material documented,
and those that have traveled this path before, to recall what they
did or learned before, but are much less helpful to the
blank-slate outsider on first approach.
This is a plea to all who write or update Linux documents: please write
for the blank-slate newbie.
Brian Brunner
brian.t.brunner@xxxxxxxxxxxxxxx
(610)796-5838
>>> yellin@xxxxxxxxxxxxxxxxx 10/28/03 06:03PM >>>
To use rdate, I think the server must run something like xinetd
service time. Turn on xinetd, if it's not already on, and turn on time
(with chkconfig, say).
Do you have a firewall on any of your computers? For rdate you need
to let tcp port 37 into the server, and for ntpd you need to let through
udp port 123, as in "--sport ntp".
On Tue, 28 Oct 2003, Brian T. Brunner wrote:
>
> Having read the man page for rdate, I didn't find many details...
>
> for example, I can
> rdate -p sys1
> and get a time back from it but
> rdate -p sys2
> gets refused... with no hint as to why.
>
> Brian Brunner
> brian.t.brunner@xxxxxxxxxxxxxxx
> (610)796-5838
>
> >>> seyman@xxxxxxxxxx 10/28/03 04:36PM >>>
> On Tue, Oct 28, 2003 at 02:59:30PM -0500, Brian T. Brunner wrote:
> >
> > How to keep two or more linux (RH7.2-RH9) systems time-synched?
>
> Make one of them a date server and have all the others sync to it.
> Read the rdate man page for more details.
>
> Emmanuel
>
>
>
--
Steven Yellin
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