how to use "ntpd" to emulate "ntpdate"?

[Michael Fratoni]

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On Saturday 31 January 2004 05:42 am, Markku Kolkka wrote:
> Michael Fratoni kirjoitti viestissään (lähetysaika lauantai 31.
>
> tammikuuta 2004 04:37):
> > I missed the start of this thread, but does "ntpdate <server>"
> > not do what you want?
>
> The ntpdate manpage says:
> "The  functionality of this program is now available in the ntpd
> program. See the -q  command line option in the ntpd - Network
> Time  Protocol  (NTP) daemon page. After a suitable period of
> mourning, the ntpdate  program is to be retired from this
> distribution"

So it does. I haven't checked the man page for quite some time, and wasn't 
aware of this. Doing a little checking, ntp -q may provide the same 
functionality and more accuracy, but it's not quite as simple. It'll be a 
shame to see ntpdate removed. ntpdate is easier and more than accurate 
enough for the vast majority of systems.

As near as I can tell, ntp -q requires ntp to be configured via 
/etc/ntp.conf, and then each call to ntp -q takes 30 - 60 seconds to 
complete.
The only change needed from the default config file was the definition of 
a server line with the iburst keyword:
"server 192.168.0.3 iburst"

[root at snakebyte root]# time ntpd -q
ntpd: time slew -0.010097s

real    0m42.001s
user    0m0.020s
sys     0m0.030s

[root at snakebyte root]#

> As the subject says, the thread was about how to actually replace
> ntpdate with a call to "ntpd -q".

Yes, sorry for the confussion. The sheer volume of list mail of late has 
been a bit overwhelming. I've been deleting large message blocks unread 
with only a cursory look at the subjects.

- -- 
- -Michael

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