NTP Pool Project

NTP Pool Project

https://www.ntppool.org/

What is it?

• The pool.ntp.org project is a big virtual cluster of timeservers providing reliable easy to use NTP service for millions of clients.
• The pool is being used by hundreds of millions of systems around the world. It's the default "time server" for most of the major Linux distributions and many networked appliances

sunnySide ↑ Solar Lab & Orchards NTP

Server Profile

• https://support.ntp.org/bin/view/Servers/PublicTimeServer000898

Offset Monitoring & Score

• https://www.ntppool.org/scores/73.88.59.191

Founded

• 2013

Location

• Burnsville, MN, United States [55337]

Zones

North America

• north-america.pool.ntp.org

United States of America

• us.pool.ntp.org

Hostname

• ntp.heinzsolar.com

Stratum

• 2

Computer Hardware

• Raspberry Pi 4 Model B (4GB)

Case

• PicoCluster Pico 5

Storage

Micro SD

SanDisk 8GB

• Raspberry Pi 4 Model B UEFI Firmware for USB 3.0 Boot

USB 3.0

Samsung FIT Plus USB 3.1 Flash Drive 128GB

• Operating System

Operating System

• OpenBSD 6.8 ARM64

ntpd build/version

• OpenNTPD 6.2p3

UEFI Firmware Customizations

• Device Manager → Raspberry Pi Configuration → Advanced Configuration → Limit RAM to 3 GB to <Disabled> [Enabled by Default]

Router

• pfSense

Future Goals

Move to Stratum 1

Raspberry Pi GPS/RTC Expansion Board

• PPS output for NTP services
• ThePiHut Pi GPS HAT Case for Raspberry Pi 4

Active GPS Patch Antenna with SMA Connector

• 3 meter

Building a Raspberry-Pi Stratum-1 NTP Server

• Old, but this is very relevant.

Thank You!

sudopigeon

• How to install OpenBSD on a Raspberry Pi 4 - sudopigeon

Pi Firmware Task Force

• Server-Ready UEFI firmware for the Raspberry Pi 4 Model B

Helpful Links

OpenBSD/arm64

• Installation Instructions
• OpenNTPD Tutorial by calomel.org

Reference

• OpenBSD Partition Layout via disklabel

mnretrogamer029# disklabel -p m sd0

# /dev/rsd0c:

type: SCSI

disk: SCSI disk

label: Flash Drive FIT

duid: 24af78990a0f8ab1

flags:

bytes/sector: 512

sectors/track: 63

tracks/cylinder: 255

sectors/cylinder: 16065

cylinders: 15600

total sectors: 250626566 # total bytes: 122376.3M

boundstart: 65536

boundend: 250626566

drivedata: 0

16 partitions:

#                size           offset  fstype [fsize bsize   cpg]

 a:          1024.0M            65536  4.2BSD   2048 16384 12960 # /

 b:          3178.2M          2162688    swap                    # none

 c:        122376.3M                0  unused

 d:          4096.0M          8671680  4.2BSD   2048 16384 12960 # /tmp

 e:          9940.4M         17060288  4.2BSD   2048 16384 12960 # /var

 f:          6144.0M         37418304  4.2BSD   2048 16384 12960 # /usr

 g:          1024.0M         50001216  4.2BSD   2048 16384 12960 # /usr/X11R6

 h:         17758.3M         52098368  4.2BSD   2048 16384 12960 # /usr/local

 i:            16.0M            32768   MSDOS

 j:          2048.0M         88467424  4.2BSD   2048 16384 12960 # /usr/src

 k:          6144.0M         92661728  4.2BSD   2048 16384 12960 # /usr/obj

 l:         70987.3M        105244640  4.2BSD   2048 16384 12960 # /home

mnretrogamer029# uname -a

OpenBSD mnretrogamer029.heinzsolar.com 6.8 GENERIC.MP#2 arm64

mnretrogamer029# ps aux | grep ntpd

_ntp     16351 16.5  0.1   796  2600 ??  S<p     8:32PM    8:08.71 ntpd: ntp en

_ntp     83044  0.0  0.1   684  2396 ??  Ip      8:32PM    0:00.03 ntpd: dns en

root     33148  0.0  0.0   292  1020 p0  S+p     9:16PM    0:00.01 grep ntpd

mnretrogamer029# flux.capacitor engage

ksh: flux.capacitor: not found

mnretrogamer029# outatime

ksh: accelerating to 88mph