Radarcape:Radarcape Major 2 NTPD Installation - Revision history

imported>Nunojpg: Redirected page to Radarcape:NTP#NTP stratum 1 server

2017-08-05T13:28:24Z

Redirected page to Radarcape:NTP#NTP stratum 1 server

imported>Dl4mea: /* Major 2 Related Pages */

2017-05-27T10:20:37Z

Major 2 Related Pages

← Older revision		Revision as of 10:20, 27 May 2017
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	[[Radarcape:Radarcape_Major_2_Feeder_Installation\|Radarcape Major 2 Feeder Installation]]		[[Radarcape:Radarcape_Major_2_Feeder_Installation\|Radarcape Major 2 Feeder Installation]]

	[[Radarcape:Radarcape_Major_2_NTPD_Installation\|Radarcape Major 2 ~~NTP~~ Installation]]		[[Radarcape:Radarcape_Major_2_NTPD_Installation\|Radarcape Major 2 NTPD Installation]]

	=Radarcape Major 2 NTPD Installation=		=Radarcape Major 2 NTPD Installation=

imported>Dl4mea: /* Setup for NTPD */

2017-05-27T10:18:03Z

Setup for NTPD

← Older revision		Revision as of 10:18, 27 May 2017
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	==Setup for NTPD==		==Setup for NTPD==
			<source lang="bash">
	# sudo apt-get install build-essential texinfo pps-tools cpufrequtils libcap-dev		# sudo apt-get install build-essential texinfo pps-tools cpufrequtils libcap-dev
	# systemctl disable ondemand		# systemctl disable ondemand
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	+85.11.191.119 87.120.164.97 2 u 60 64 377 2.503 -0.382 0.378		+85.11.191.119 87.120.164.97 2 u 60 64 377 2.503 -0.382 0.378
	+93.123.92.131 .GPS. 1 u 49 64 377 2.438 0.156 0.483		+93.123.92.131 .GPS. 1 u 49 64 377 2.438 0.156 0.483
			</source>
	You should see the lines ".GPS." and ".PPS." in the output of "ntpq -4nc peers", and the word "kern" should be present in the output of an ntpq -c rv command:		You should see the lines ".GPS." and ".PPS." in the output of "ntpq -4nc peers", and the word "kern" should be present in the output of an ntpq -c rv command:
			<source lang="bash">
	# ntpq -c rv 127.0.0.1		# ntpq -c rv 127.0.0.1
	associd=0 status=011d leap_none, sync_pps, 1 event, kern,		associd=0 status=011d leap_none, sync_pps, 1 event, kern,
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	mintc=3, offset=-0.000793, frequency=-45.646, sys_jitter=0.003815,		mintc=3, offset=-0.000793, frequency=-45.646, sys_jitter=0.003815,
	clk_jitter=0.002, clk_wander=0.100		clk_jitter=0.002, clk_wander=0.100
			</source>

imported>Dl4mea: /* Setup for Chrony */

2017-05-27T10:17:13Z

Setup for Chrony

← Older revision		Revision as of 10:17, 27 May 2017
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	Publish time to shared memory for NTPD or Chrony: Enabled (SHM segment: 0)		Publish time to shared memory for NTPD or Chrony: Enabled (SHM segment: 0)

			<source lang="bash">
	$ sudo apt-get update		$ sudo apt-get update
	$ sudo apt-get install build-essential texinfo pps-tools		$ sudo apt-get install build-essential texinfo pps-tools
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	^- 89.190.220.94 3 6 377 18 -668us[ -668us] +/- 73ms		^- 89.190.220.94 3 6 377 18 -668us[ -668us] +/- 73ms
	------------------------------		------------------------------
			</source>

	==Setup for NTPD==		==Setup for NTPD==

imported>Dl4mea: /* Setup for Chrony */

2017-05-27T10:12:22Z

Setup for Chrony

← Older revision		Revision as of 10:12, 27 May 2017
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	==Setup for Chrony==		==Setup for Chrony==

	Activate Chrony socket under Radarcape configuration menu:		Activate Chrony socket under Radarcape configuration menu:<br>
	Radarcape Settings -> General -> NTP Reference Clock Data		Radarcape Settings -> General -> NTP Reference Clock Data<br>
	Publish time to socket for Chrony: Enabled (Socket: /var/run/chrony.radarcape.sock)		Publish time to socket for Chrony: Enabled (Socket: /var/run/chrony.radarcape.sock)<br>
	Publish time to shared memory for NTPD or Chrony: Enabled (SHM segment: 0)		Publish time to shared memory for NTPD or Chrony: Enabled (SHM segment: 0)

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	^- 89.190.220.94 3 6 377 18 -668us[ -668us] +/- 73ms		^- 89.190.220.94 3 6 377 18 -668us[ -668us] +/- 73ms
	------------------------------		------------------------------


	==Setup for NTPD==		==Setup for NTPD==

imported>Dl4mea: /* Radarcape Major 2 NTPD Installation */

2017-05-27T10:11:56Z

Radarcape Major 2 NTPD Installation

← Older revision		Revision as of 10:11, 27 May 2017
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	=Radarcape Major 2 NTPD Installation=		=Radarcape Major 2 NTPD Installation=

	to ~~come~~		This information was provided by a user, I will beautify it a little but need to redo it on a Radarcape for that.

			==Setup for Chrony==

			Activate Chrony socket under Radarcape configuration menu:
			Radarcape Settings -> General -> NTP Reference Clock Data
			Publish time to socket for Chrony: Enabled (Socket: /var/run/chrony.radarcape.sock)
			Publish time to shared memory for NTPD or Chrony: Enabled (SHM segment: 0)

			$ sudo apt-get update
			$ sudo apt-get install build-essential texinfo pps-tools
			$ wget https://download.tuxfamily.org/chrony/chrony-3.1.tar.gz
			$ tar xfz chrony-3.1.tar.gz
			$ cd chrony-3.1
			$ ./configure
			$ make
			$ sudo make install
			$ sudo bash -c "sudo cat >> /etc/chrony.conf <<- EOF
			minsamples 10
			log tracking measurements statistics
			logdir /var/log/chrony
			driftfile /var/lib/chrony/chrony.drift
			maxupdateskew 100.0
			dumponexit
			dumpdir /var/lib/chrony

			pool pool.ntp.org iburst
			refclock PPS /dev/pps0 lock RCD prefer
			refclock SOCK /var/run/chrony.radarcape.sock offset 0.0 delay 0.0 refid RCD noselect
			EOF"
			$ sudo /usr/local/sbin/chronyd -f /etc/chrony.conf -s

			# chronyc sources
			210 Number of sources = 6
			MS Name/IP address Stratum Poll Reach LastRx Last sample
			===============================================================================
			#* PPS0 0 4 377 22 +501ns[ +765ns] +/- 694ns
			#? RCD 0 4 377 21 +20ms[ +20ms] +/- 27us
			^- goblin.yuhu.biz 3 6 377 19 -1272us[-1272us] +/- 107ms
			^- 212.70.148.20 2 6 377 20 -534us[ -534us] +/- 33ms
			^- 212.70.148.13 2 6 377 20 +86us[ +86us] +/- 48ms
			^- 89.190.220.94 3 6 377 18 -668us[ -668us] +/- 73ms
			------------------------------


			==Setup for NTPD==

			# sudo apt-get install build-essential texinfo pps-tools cpufrequtils libcap-dev
			# systemctl disable ondemand
			# echo 'GOVERNOR="performance"' > /etc/default/cpufrequtils
			# systemctl restart cpufrequtils
			# cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
			performance
			# ppstest /dev/pps0 # Use Ctrl+C to stop;
			trying PPS source "/dev/pps0"
			found PPS source "/dev/pps0"
			ok, found 1 source(s), now start fetching data...
			source 0 - assert 1495808693.999994810, sequence: 119877 - clear 0.000000000, sequence: 0
			source 0 - assert 1495808694.999994736, sequence: 119878 - clear 0.000000000, sequence: 0
			source 0 - assert 1495808696.000003486, sequence: 119879 - clear 0.000000000, sequence: 0
			source 0 - assert 1495808697.000012458, sequence: 119880 - clear 0.000000000, sequence: 0
			source 0 - assert 1495808697.999984217, sequence: 119881 - clear 0.000000000, sequence: 0
			^C

			# wget http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8p7.tar.gz
			# tar zxvf ntp-4.2.8p7.tar.gz
			# cd ntp-4.2.8p7
			# ./configure --enable-linuxcaps --enable-SHM --with-NMEA --with-ATOM
			# make -j4
			# sudo make install
			# mkdir /var/lib/ntp/
			# touch /var/lib/ntp/ntp.drift
			# sudo bash -c "sudo cat >> /etc/ntp.conf <<- EOF
			driftfile /var/lib/ntp/ntp.drift
			leapfile /etc/ntp/leap-seconds.list
			#statsdir /var/log/ntpstats/
			statistics loopstats peerstats clockstats
			filegen loopstats file loopstats type day enable
			filegen peerstats file peerstats type day enable
			filegen clockstats file clockstats type day enable

			pool bg.pool.ntp.org iburst
			server 192.168.10.9 minpoll 5 maxpoll 5 iburst prefer

			# SHM reference
			server 127.127.28.0 minpoll 4 maxpoll 4 prefer
			fudge 127.127.28.0 time1 0.0 refid GPS stratum 15

			# PPS reference
			# flag3 - kernel PPS discipline: 0 for disable (default), 1 for enable
			server 127.127.22.0 minpoll 4 maxpoll 4 prefer
			fudge 127.127.22.0 flag3 1 refid PPS
			EOF"

			Start the NTPD daemon using:
			# /usr/local/sbin/ntpd -c /etc/ntp.conf

			Verify that it is running:
			# ntpq -4nc peers
			remote refid st t when poll reach delay offset jitter
			==============================================================================
			bg.pool.ntp.org .POOL. 16 p - 64 0 0.000 0.000 0.004
			*192.168.10.9 212.70.148.17 3 u 3 32 377 0.226 0.680 0.057
			127.127.28.0 .GPS. 15 l 8 16 377 0.000 -19.901 0.037
			o127.127.22.0 .PPS. 0 l 7 16 377 0.000 0.001 0.004
			+212.70.148.19 80.96.120.252 2 u 66 64 377 2.028 0.041 0.326
			+212.70.148.16 80.96.120.252 2 u 52 64 377 10.207 -1.061 0.292
			+212.70.148.11 95.87.227.232 3 u 55 64 377 1.812 -1.852 0.582
			-212.70.148.17 138.96.64.10 2 u 54 64 377 2.252 -2.698 0.470
			+212.70.148.20 80.96.120.252 2 u 52 64 377 2.497 -0.073 0.233
			+92.247.168.103 93.123.92.131 2 u 59 64 377 9.263 0.543 0.369
			+85.11.191.119 87.120.164.97 2 u 60 64 377 2.503 -0.382 0.378
			+93.123.92.131 .GPS. 1 u 49 64 377 2.438 0.156 0.483

			You should see the lines ".GPS." and ".PPS." in the output of "ntpq -4nc peers", and the word "kern" should be present in the output of an ntpq -c rv command:
			# ntpq -c rv 127.0.0.1
			associd=0 status=011d leap_none, sync_pps, 1 event, kern,
			version="ntpd 4.2.8p10@1.3728 Fri May 26 13:47:39 UTC 2017 (2)",
			processor="armv7l", system="Linux/4.1.18-ti-r57", leap=00, stratum=1,
			precision=-18, rootdelay=0.000, rootdisp=1.015, refid=PPS,
			reftime=dcd2b9bf.b5857be0 Fri, May 26 2017 14:27:11.709,
			clock=dcd2b9c1.10280e44 Fri, May 26 2017 14:27:13.063, peer=40682, tc=4,
			mintc=3, offset=-0.000793, frequency=-45.646, sys_jitter=0.003815,
			clk_jitter=0.002, clk_wander=0.100

imported>Dl4mea: /* Major 2 Related Pages */

2017-05-26T20:08:25Z

Major 2 Related Pages

← Older revision		Revision as of 20:08, 26 May 2017
Line 2:		Line 2:

	[[Radarcape:Software_Features_Major2\|Radarcape Major 2 Features]]		[[Radarcape:Software_Features_Major2\|Radarcape Major 2 Features]]

	[[Radarcape:Radarcape_Major_2_Feeder_Installation\|Radarcape Major 2 Feeder Installation]]		[[Radarcape:Radarcape_Major_2_Feeder_Installation\|Radarcape Major 2 Feeder Installation]]

	[[Radarcape:Radarcape_Major_2_NTPD_Installation\|Radarcape Major 2 NTP Installation]]		[[Radarcape:Radarcape_Major_2_NTPD_Installation\|Radarcape Major 2 NTP Installation]]


	=Radarcape Major 2 NTPD Installation=		=Radarcape Major 2 NTPD Installation=

	to come		to come

imported>Dl4mea: Created page with "=Major 2 Related Pages= Radarcape Major 2 Features Radarcape:Radarcape_Major_2_Feeder_Installation|Radarcape Major 2 Feeder Installat..."

2017-05-26T20:08:14Z

Created page with "=Major 2 Related Pages= Radarcape Major 2 Features Radarcape:Radarcape_Major_2_Feeder_Installation|Radarcape Major 2 Feeder Installat..."

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=Major 2 Related Pages=

[[Radarcape:Software_Features_Major2|Radarcape Major 2 Features]]
[[Radarcape:Radarcape_Major_2_Feeder_Installation|Radarcape Major 2 Feeder Installation]]
[[Radarcape:Radarcape_Major_2_NTPD_Installation|Radarcape Major 2 NTP Installation]]

=Radarcape Major 2 NTPD Installation=

to come