14 results for tags
NTP x
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https://hack.org/mc/colophon.html
Found via the COFF mailing list https://www.tuhs.org/pipermail/coff/2023-August/001663.htmlSat Aug 5 20:19:07 2023 - permalink -
See https://hack.org/mc/blog/nts2.html about NTS, a secure version of the network time protocol
https://hack.org/mc/blog/no-more-x11.html about Wayland
https://hack.org/mc/writings/xkb.html about keyboard mapping- https://hack.org/mc/colophon.html
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Simple Radio Clock for PC's
Keep accurate time on a Linux machine based on radio time signals such as DCF77, MSF or WWVB. Found via https://packages.debian.org/stable/net/radioclkTue Jun 27 18:13:13 2023 - permalink -
It uses the modem control input signals to monitor the signal from the radio receiver. For a Raspberry pi, where I want to use this, the articles
"Raspberry Pi RTS / CTS Flow Control" https://ethertubes.com/raspberry-pi-rts-cts-flow-control/ and
"Raspberry Pi 3 Hardware Flow Control" http://www.deater.net/weave/vmwprod/hardware/pi-rts/ will be useful.- http://www.buzzard.me.uk/jonathan/radioclock.html
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Implementing the Network Time Protocol (NTP) in Rust
Found via a link to https://foundation.rust-lang.org/ on Derek Jones' blog https://shape-of-code.com/2021/02/07/widely-used-programming-languages-past-present-and-future/Tue Jan 24 01:29:52 2023 - permalink -- https://foundation.rust-lang.org/news/implementing-the-network-time-protocol-ntp-in-rust/
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gpsctl is a utility program written for Raspberry Pi computers using a U-Blox GPS board
gpsctl is a utility program written for Raspberry Pi computers using a U-Blox GPS board. The author's rig is a Raspberry Pi 3 Model B with a Uputronix GPS board, which uses a U-Blox MAX-M8Q GPS module. Some of gpsctl's functions are generic for any GPS that streams NMEA data to a Linux serial port, and these should work on any Linux system. Most of gpsctl's functions, however, are quite specific to the U-Blox products, and use their proprietary UBX protocol (again, on a serial port).Fri Feb 28 14:56:49 2020 - permalink -
Found on https://thepihut.com/products/raspberry-pi-gps-hat- https://github.com/philrandal/gpsctl
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http://cr.yp.to/clockspeed.html
clockspeed uses a hardware tick counter to compensate for a persistently fast or slow system clock. Given a few time measurements from a reliable source, it computes and then eliminates the clock skew.Tue Aug 13 15:33:11 2019 - permalink -
sntpclock checks another system's NTP clock, and prints the results in a format suitable for input to clockspeed. sntpclock is the simplest available NTP/SNTP client.
taiclock and taiclockd form an even simpler alternative to SNTP. They are suitable for precise time synchronization over a local area network, without the hassles and potential security problems of an NTP server.- http://cr.yp.to/clockspeed.html
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chrony – Introduction
chrony is a versatile implementation of the Network Time Protocol (NTP). It can synchronise the system clock with NTP servers, reference clocks (e.g. GPS receiver), and manual input using wristwatch and keyboard. It can also operate as an NTPv4 (RFC 5905) server and peer to provide a time service to other computers in the network.Tue Apr 10 12:49:48 2018 - permalink -- https://chrony.tuxfamily.org/index.html
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NTP – Page 2 – Paul's blog
Blog mostly about the network time protocol (NTP).Tue Nov 28 14:50:33 2017 - permalink -- https://libertysys.com.au/category/NTP/page/2/
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Various Time Stuff
Leap second observations, long wave receivers for NTP.Fri Jan 6 18:53:14 2017 - permalink -- http://www.maths.tcd.ie/~dwmalone/time/
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Synchronising your network to a Conrad DCF77 receiver
Thu Mar 24 12:57:19 2016 - permalink -- http://www.sput.nl/time/dcf77.html
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David & Cecilia Taylor's Web Pages
Collection of software for reception of various satellite signals, ADS-B receiver (http://www.satsignal.eu/raspberry-pi/dump1090.html) for the Raspberry Pi, NTP (http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html) and more.Mon Feb 2 11:42:50 2015 - permalink -- http://www.satsignal.eu/
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SyncLab.org
The RADclock project (formerly known under 'TSCclock') aims to provide a new system for network timing within two years. We are developing replacements for NTP clients and servers based on new principles, in particular the need to distinguish between difference clocks and absolute clocks. The term RADclock, 'Robust Absolute and Difference Clock', stems from this. The RADclock difference clock, for example, can measure RTTs to under a microsecond, even if connectively to the time server is lost for over a week!Tue Jun 3 12:29:25 2014 - permalink -
The RADclock is available and can be used as an alternative to the ntpd daemon to provide convenient system clock synchronisation for systems running FreeBSD and Linux. In terms of local hardware, it exploits the availability of counters such as the HPET counter or the TSC (Time-Stamp-Counter) commonly found in PC architectures.- http://www.synclab.org/radclock/
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Jürgen Beisert - DCF77 receiver
In this project a simple DCF77 receiver in addition with a level converter and some kind of software should be used to get a perfect timebase in a network.Thu May 22 00:20:29 2014 - permalink -
On 2022-11-09, the domain is for sale.- http://www.kreuzholzen.de/projects/dcf77/index_en.html
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Monitoring server health by clock speed variations
Computer clock frequency and temperature over time--something similar to what I want to do.Thu Jan 18 16:14:05 2007 - permalink -- http://www.sentex.net/~mwandel/tech/server-temp.html
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meow.febo.com NTP Pool Server Statistics
Statistics of an NTP server.Fri Sep 15 17:00:22 2006 - permalink -- http://www.febo.com/time-freq/ntp/stats/clients/