On 2 January 2015 at 13:12, Bob Goodwin <bobgood...@wildblue.net> wrote:
> > On 01/02/15 14:08, Stephen John Smoogen wrote: > >> >> The ntp server needs to be able to talk to some server on the network to >> get time. The Fedora boxes might just be 'lucky' in keeping time if they >> have no access either. >> >> ntpq -p on each of the hosts will see how they are keeping time. >> >> Well it looks like SL-7 does not use ntp, it uses "chrony" instead and > it apparently was not running, at least I had to systemctl restart > chronyd|and then |systemctl enable chronyd to start it running. Then it > began to show signs of life. Before that all the values reported were zero! > > [root@box48 bobg]# chronyc sources > 210 Number of sources = 4 > MS Name/IP address Stratum Poll Reach LastRx Last sample > ============================================================ > =================== > ^+ clock.xmission.com 1 6 17 38 -522us[+2286us] +/- > 312ms > ^+ 422224.s.dedikuoti.lt 2 6 17 38 -20ms[ -17ms] +/- > 403ms > ^+ bindcat.fhsu.edu 2 6 17 38 +2636us[+5444us] +/- > 369ms > ^* lithium.constant.com 2 6 17 38 +4799us[+7607us] +/- > 381ms > > Only the servers are blocked from the internet since I figured they didn't > require a connection but now the question of time synchronization arises. > In fact my internet connection is derived from a satellite connection which > has a system delay on the order of 800 ms. I would think that would offset > me from the rest of the world by nearly one second if it matters ... > > Get yourself a little GPS gadget to lock into the satellite clocks on one of the boxes and call that server stratum 1. Aim the other boxes at Just found this.. which may help in other areas: http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch24_:_The_NTP_Server#.VKcREXsRRKo > Interesting thought, > > > Bob > || > > -- > http://www.qrz.com/db/W2BOD > box10 Fedora-21/64bit Linux/XFCE > > -- Stephen J Smoogen.
