A tale of two nameservers - resolution problems
rgm at htt-consult.com
Tue Sep 1 15:38:24 UTC 2015
On 09/01/2015 10:28 AM, John Miller wrote:
> On Tue, Sep 1, 2015 at 9:31 AM, Robert Moskowitz <rgm at 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
Lack of a battery for the system clock is the norm for arm boards. They
pretty much expect network time. This is a problem with designing a
mobile arm solution.
> I'll ditto here and say: static /etc/hosts entries or static IPs in ntp.conf.
Definitely the obvious punt.
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