On Tue, Sep 1, 2015 at 10:38 AM, Reindl Harald <h.rei...@thelounge.net> wrote:
> > Am 01.09.2015 um 16:28 schrieb John Miller: > >> On Tue, Sep 1, 2015 at 9:31 AM, Robert Moskowitz <r...@htt-consult.com> >> wrote: >> >>> >>> On 09/01/2015 09:20 AM, John Miller wrote: >>> >>>> >>>> If you check pcap, logs, etc., is the server's following delegation >>>> for 0.centos.pool.ntp.org? Where do outbound packets stop? >>>> >>> >>> >>> I don't believe this and I have some serious problems. >>> >>> Part of my challenge is I am running the new server on an armv7 board >>> that >>> does not have a rtc. So when the system boots, the time is jan 1 1970. >>> The >>> first thing you want to run is ntp to set the time, but requires named >>> running and resolving. >>> >>> For the 'fun' of it, I used 'date' to set the time to now, and then no >>> problem resolving 0.centos.pool.ntp.org. So there is something about >>> that >>> resolution that does not like the early date. >>> >>> So I am caught in a time bind here! >>> >>> Is there anyway to get bind not to be particular about system time at >>> first? >>> >> >> >> Hopefully this isn't a production server... rtc's kind of important >> ;-) I'll ditto here and say: static /etc/hosts entries or static IPs >> in ntp.conf >> > > additionally every network normally should have it's own ntpd using the > public pool and act as source for all other machines, just because to be > nice too the "pool.ntp.org" and hence any other box needs just an IP > address for doing "ntpdate xx.xx.xx.xx" *before* it's own ntpd starts > > so you just need to make sure the correct order > > * ntpdate xx.xx.xx.xx > * start ntpd > * start named > > Can I suggest that rather than use /etc/hosts, every server should have more than one resolver listed in /etc/resolv.conf. The first can be 127.0.0.1, but the second should be another DNS resolver as backup. -- Bob Harold
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