117 lines
3.7 KiB
Markdown
117 lines
3.7 KiB
Markdown
# Precision Timekeeping Fuckery
|
|
|
|
## Usage
|
|
* install: `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh`
|
|
* uninstall `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh u`
|
|
* test: `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh t`
|
|
* nuke logs and temp files: `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh n`
|
|
* measure offset (chrony_stats.py) `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh m`
|
|
* service status `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh s status`
|
|
* service restart `bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh s restart`
|
|
|
|
## How it works
|
|
### Services
|
|
* `gpsd`
|
|
* `chrony`
|
|
* `telegraf`
|
|
* `influxdb`
|
|
* `grafana-server`
|
|
* `syslog-ng`
|
|
|
|
### Testing
|
|
**Status (Everything)**
|
|
* `bash ~/Precision-Timekeeping-Fuckery/full_status.sh`
|
|
|
|
**Status (Services)**
|
|
* `bash ~/Precision-Timekeeping-Fuckery/status_services.sh`
|
|
|
|
**Test PPS**
|
|
* `sudo ppstest /dev/pps0`
|
|
|
|
### Logs Stuff
|
|
**Chrony Logs**
|
|
* `sudo tail -f /var/log/chrony/tracking.log`
|
|
* `sudo tail -f /var/log/chrony/statistics.log`
|
|
* `sudo tail -f /var/log/chrony/measurements.log`
|
|
|
|
**Telegraf Logs**
|
|
* `sudo tail -f /var/log/telegraf/telegraf.log`
|
|
|
|
**Grafana Logs**
|
|
* `sudo tail -f /var/log/grafana/grafana.log`
|
|
|
|
**Influxdb Logs**
|
|
* `sudo tail -f /var/log/syslog`
|
|
|
|
**Root Crontab Logs**
|
|
* `sudo tail -f /var/log/root-crontab.log`
|
|
|
|
## Setup
|
|
### Hardware
|
|
1. Raspberry Pi 4+
|
|
2. A timing specific GPS module
|
|
3. I2C RTC Module
|
|
1. battery for RTC Module
|
|
4. Jumper wire to wire it up
|
|
### Wiring
|
|
[Pins and Wiring Guide](./Pins.md)
|
|
#### OS
|
|
1. Raspberry Pi OS 64 bit lite
|
|
1. Raspberry Pi imager
|
|
2. Configure in imager
|
|
1. hostname: grandmasterclock
|
|
2. enable ssh
|
|
3. ssh key
|
|
4. username
|
|
5. password
|
|
6. locale
|
|
7. keyboard
|
|
#### Install (Auto)
|
|
**WILL REBOOT IN BETWEEN EACH COMMAND**
|
|
1. `curl -s https://raw.githubusercontent.com/PrincessPi3/Precision-Timekeeping-Fuckery/refs/heads/main/time_fuckery.sh?nocache=$RANDOM | $SHELL`
|
|
2. `git -C ~/Precision-Timekeeping-Fuckery pull && bash ~/Precision-Timekeeping-Fuckery/time_fuckery.sh`
|
|
1. each reboot run the above command a total of four (4) times
|
|
3. [https://grandfatherclock:3000](https://grandfatherclock:3000/login)
|
|
1. default login: `admin` and `admin`
|
|
1. set new password
|
|
2. data sources->add new->influx db
|
|
1. name "influxdb1"
|
|
2. query languagew: influxql
|
|
3. http
|
|
1. url: http://127.0.0.1:8086
|
|
2. timeout seconds: 3
|
|
4. database: Chrony_Stats
|
|
5. user, pass: blank
|
|
6. save and test
|
|
3. Dashboards->New-Import
|
|
1. Upload [Garfana-Visualization.json](./Garfana-Visualization.json)
|
|
**raspi-config**
|
|
Run raspi-config
|
|
1. Interface Options->Serial Port
|
|
1. Would you like a login shell to be accessible over serial? **<No>**
|
|
2. Would you like the serial port hardware to be enabled? **<Yes>**
|
|
2. Interface Options-I2C
|
|
1. Enable **Yes**
|
|
3. Advanced Options
|
|
1. A1 Expand Filesystem
|
|
|
|
### Clients
|
|
**Windows**
|
|
1. Open the Control Panel and navigate to the Date and Time settings.
|
|
2. Click on "Internet Time" and then "Change settings".
|
|
3. Enable the option to "Synchronize with an Internet time server".
|
|
4. Choose a time server from the available list or enter a custom one.
|
|
5. Click "OK" to save the changes.
|
|
|
|
## Links
|
|
**Helpful Guide** https://austinsnerdythings.com/2025/02/14/revisiting-microsecond-accurate-ntp-for-raspberry-pi-with-gps-pps-in-2025/
|
|
|
|
**Old Module**
|
|
* Chipset https://www.u-blox.com/en/product/neo-f10n-module
|
|
* Breakout https://docs.sparkfun.com/SparkFun_u-blox_NEO-F10N/single_page/
|
|
|
|
**Current Module**
|
|
* Chipset https://www.u-blox.com/en/product/neolea-m8t-series
|
|
* Breakout https://www.ebay.com/itm/134243322249
|
|
|
|
**U-Blox Software (U-Center)** https://www.u-blox.com/en/product/u-center |