WebApr 19, 2024 · For chrony, add these two lines to the /etc/chrony/chrony.conf file somewhere near the rest of the server lines: refclock SHM 0 refid NMEA offset 0.200 refclock PPS /dev/pps0 refid PPS lock NMEA My entire /etc/chrony/chrony.conf file looks like this: ###### below this line are custom config changes ####### Web#For more information about this file, see the man pages # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5). # 记录system clock的误差值开机时不会丢失 driftfile /var/lib/ntp/ drift # Permit time synchronization with our time source, but do not # permit the source to query or modify the service on this system. # 默认拒绝所有来源的任 …
Can ntpd/chronyd be used with two NTP servers, …
WebJan 17, 2024 · I was trying all things to set the automatic time sync using ntpd but did not succeed and finally resorted to chrony but still cannot figure it out. Here's what … WebAug 1, 2024 · $ chronyc -n tracking Reference ID : 47505300 (GPS) Stratum : 1 Ref time (UTC) : Mon Jan 24 12:42:11 2024 System time : 0.000000043 seconds fast of NTP time Last offset : +0.000000046 seconds RMS offset : 0.000000489 seconds Frequency : 2.331 ppm fast Residual freq : +0.000 ppm Skew : 0.010 ppm Root delay : 0.000000001 … theory test pro sign in
chrony with gpsd and pps - Stack Overflow
Webrefid refid This option is used to specify the reference ID of the refclock, as up to four ASCII characters. The default reference ID is composed from the first three characters of the driver name and the number of the refclock. ... chrony was written by Richard Curnow, Miroslav Lichvar, and others. Powered by the Ubuntu Manpage Repository ... WebApr 10, 2024 · chrony and gpsd: socket or PPS connection. I've try to get high precision time from gps receiver GlobalSat BU-353s4 ( /dev/ttyUSB0) through gpsd in Raspberry … WebJun 8, 2024 · The gpsd/chrony docs clearly state that you need a PPS. GPSD, NTP and a GPS receiver supplying 1PPS (one pulse-per-second) output can be used to set up a … shs research title