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glennzw/ntp_gps.txt

Created December 30, 2013 14:58
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NTP + GPS
Raw
ntp_gps.txt
apt-get install ntp
apt-get install gpsd
apt-get install gpsd-clients
gpsmon
Add to /etc/ntpd.conf:
server 127.127.28.0 minpoll 4 maxpoll 4
fudge 127.127.28.0 time1 0.420 refid GPS
server 127.127.28.1 minpoll 4 maxpoll 4 prefer
fudge 127.127.28.1 refid GPS1
# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
SHM(0) .GPS. 0 l - 16 0 0.000 0.000 0.000
SHM(1) .GPS1. 0 l - 16 0 0.000 0.000 0.000
-0.debian.pool.n 41.73.40.11 2 u 24 64 1 728.495 -149.53 50.581
+1.debian.pool.n 145.238.203.14 2 u 23 64 1 444.912 -42.588 22.771
+2.debian.pool.n 160.45.10.8 2 u 22 64 1 366.456 -21.516 25.203
*3.debian.pool.n 129.70.130.71 2 u 19 64 3 336.051 -12.106 26.850
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