From ae8af112a71cb6ed516f36087461fa29d09fd863 Mon Sep 17 00:00:00 2001 From: Steven Baltakatei Sandoval Date: Tue, 14 Mar 2023 19:48:44 +0000 Subject: [PATCH] feat(doc/time/README):Add instructions setting up chrony client - Note: In other words: add instructions to configure a separate machine to use Ninfacyzga-1 NTP time server. --- doc/time/README.org | 63 ++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 60 insertions(+), 3 deletions(-) diff --git a/doc/time/README.org b/doc/time/README.org index e0cb102..b3a05e9 100644 --- a/doc/time/README.org +++ b/doc/time/README.org @@ -1,11 +1,13 @@ +* Ninfacyzga-1 Time Tracking #+TITLE: Ninfacyzga-1 Time Tracking #+AUTHOR: Steven Baltakatei Sandoval #+EMAIL: baltakatei@gmail.com -* Time Tracking +#+DATE: 2023-03-14 + ** About This document was created by Steven Baltakatei Sandoval on -~2020-07-23T22:27Z~ under a [[https://creativecommons.org/licenses/by-sa/4.0/][Creative Commons BY-SA 4.0 license]]. It was -updated by Steven Baltakatei Sandoval on ~2021-01-25T00:32Z~. +~2020-07-23T22:27+00~ under a [[https://creativecommons.org/licenses/by-sa/4.0/][Creative Commons BY-SA 4.0 license]]. It +was updated by Steven Baltakatei Sandoval on ~2023-03-14T19:47+00~. ** Narrative The ~ninfacyzga-01~ device is equipped with an Ozzmaker BerryGPS-IMU @@ -284,6 +286,61 @@ nohz=off [fn:se_20180320_raspicpugov] Title:[[https://raspberrypi.stackexchange.com/questions/9034/how-to-change-the-default-governor]["How to change the default governor?"]]; Author:[[https://raspberrypi.stackexchange.com/users/5538/goldilocks][goldilocks]]; Date: 2018-03-20; Website:stackexchange.com; +***** Configure another machine to use the time server +A separate Debian machine may be configured to use the ~ninfacyzga-1~ +device as a GPS time server. This may be performed by: + +1. Installing ~chrony~ onto the separate machine (e.g. hostname + ~somedeb~): + +#+begin_example +somedeb:$ sudo apt update && sudo apt upgrade +somedeb:$ sudo apt install chrony +#+end_example + +2. Modifying the ~chrony.conf~ file: + + : somedeb:$ emacs /etc/chrony/chrony.conf + + - Add the following lines to the end of this configuration file, + substituting ~ninfacyzga-1-x~ with the hostname or IP address + chosen for the ~ninfacyzga-1~ device: + +#+begin_example +# Use ninfacyzga-1-x if available +server ninfacyzga-1-x iburst prefer minpoll 2 maxpoll 4 +#+end_example + +3. Restart the ~chrony~ service. + + : somedeb:$ sudo systemctl restart chrony + +4. Verify that ~ninfacyzga-1-x~ is being used by ~chrony~ + +#+begin_example +somedeb:$ chronyc sources +MS Name/IP address Stratum Poll Reach LastRx Last sample +=============================================================================== +^? pugot.canonical.com 2 6 377 11 -2172us[-2209us] +/- 115ms +^? prod-ntp-5.ntp4.ps5.cano> 2 6 377 9 -4169us[-4206us] +/- 88ms +^? prod-ntp-4.ntp1.ps5.cano> 2 6 377 10 -2758us[-2795us] +/- 88ms +^? prod-ntp-3.ntp1.ps5.cano> 2 6 377 5 -6473us[-6510us] +/- 87ms +^? mail.novg.net 2 6 377 11 -6099us[-6136us] +/- 125ms +^? ntp1a.versadns.com 1 6 377 6 -2006us[-2043us] +/- 40ms +^? 2602:fde5:2a::12 1 6 377 11 -2200us[-2237us] +/- 49ms +^? 2001:da8:9000::130 1 6 377 15 -2372us[-2409us] +/- 102ms +^* ninfacyzga-1-x.lan 2 4 377 14 -1686us[-1724us] +/- 2971us +^- brazil.time.system76.com 2 6 377 17 -4738us[-4775us] +/- 103ms +^- ohio.time.system76.com 2 6 377 15 +320us[ +283us] +/- 58ms +^- oregon.time.system76.com 2 6 377 19 -5845us[-5882us] +/- 30ms +^- paris.time.system76.com 2 6 377 19 -4531us[-4568us] +/- 92ms +^- virginia.time.system76.c> 2 6 377 15 -6607us[-6644us] +/- 51ms +#+end_example + + The ~*~ in the ~^*~ symbol at the start of the line containing + ~ninfacyzga-1-x~ indicates that ~ninfacyzga-1-x~ is being used to + set the system clock of ~somedeb~. + *** Normal Startup *** Normal Operation *** Normal Shutdown -- 2.47.3