[ntp:questions] Synchronizing contrived time

William Unruh unruh at invalid.ca
Mon Mar 10 19:12:13 UTC 2014


On 2014-03-10, Amit Dor-Shifer <amit.dor.shifer at gmail.com> wrote:
> Thanks.
> Would this then be the reference implementation?
>
> [user at centos test_ntpd]$ rpm -qf $(which ntpd)
> ntp-4.2.6p5-1.el6.centos.x86_64
> [user at centos test_ntpd]$ cat ~/test_ntpd/ntp.conf
> server 127.127.1.0 minpoll 4 maxpoll 4
> [user at centos test_ntpd]$ ps -ef|grep ntp
> user     13411 12236  0 22:03 pts/0    00:00:00 grep ntp
>
> # moving clock back some 50 mins

AAAAAARGH. No do not do that. ntpd is horrible at handlking sudden
changes in time. It is like testing how good a car is by driving it off
a cliff. It was never designed to fly.


>



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