Yo Achim! On Thu, 09 Jun 2016 21:54:56 +0200 Achim Gratz <[email protected]> wrote:
> Gary E. Miller writes: > > # if you have no other local chimers to help NTP perform sanity > > checks # then you can use some public chimers from the NTP public > > pool: # http://www.pool.ntp.org/en/ > > Perhaps mention that there's a link to the continental zones on that > page with more links to the country zones on that continent. Got a suggested working? > > # To use the pool servers uncomment the last four lines in this > > section. > > Just any one such line is enough. No, I get a lot of dead servers from the pool. And with more than one there is achance one is not 2,000 miles away. > It seems that chosing multiple > pools from the same zone increases the chances of getting the same > server assigned twice. Not a problem. > > # The iburst option tells ntpd to query the pool serers with > > bursts instead > > s/serers/servers/ Fixed. > The iburst is supposed to only affect the initial contact to the > servers, contrary to the burst option (which IIRC is shunned by > NTPpool), which would use bursts on all contacts. I tweaked the wording to make that clearer. > I'd still drop the country code since someone not in the U.S. will > just uncomment the line(s) anyway. I get horrible servers when I do that. Sure it works for some people and is insanely perverse for others. That leads to the pool getting an aweful reputation. > The add a text to the effect that > one should use the local country or continental zone after looking it > up via the address given above. Having spent a lot of time in asia, I can tell you that using the asia.pool.ntp.org can be worse than the basic pool. You would think that a place like Sinagpore would be low ping to Malaysia, but almost all the interlinks go to LA and back! I have heard of similar issues in Africa. The text already links to the pool web, do you have suggested better wording? > Now, at least for the raspberryPi, the easier way of doing this is > keeping the ntpd package installed and configured, I'll leave that argument between you and Eric. I'm a Gentoo user and that does not apply to me, nor do I wish to aid and abet Jessie. So, current best wording: # If you have no other local chimers to help NTP perform sanity checks # then you can use some public chimers from the NTP public pool: # http://www.pool.ntp.org/en/ # To use the pool servers uncomment the last four lines in this section. # The iburst option tells ntpd to query the pool servers with an initial # bursts instead of single requests. This can yield better results on # startup to remote servers. # Notice I use the 'us' country code servers, otherwise I might get one # pool server from Ukraine and another from Singapore. If you are # not in the USA, then change the 'us' to your two letter country code. # server 0.us.pool.ntp.org iburst # server 1.us.pool.ntp.org iburst # server 2.us.pool.ntp.org iburst # server 3.us.pool.ntp.org iburst RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 [email protected] Tel:+1 541 382 8588
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