Rick Bassham rickbassham

Inspiration

https://blog.networkprofile.org/gps-backed-local-ntp-server/

Hardware

Raspberry Pi 4
GT-U7 GPS Module
U.Fl to SMA Adapter
SMA GPS Antenna

snap list

sudo systemctl disable snapd.service
sudo systemctl disable snapd.socket
sudo systemctl disable snapd.seeded.service

sudo snap remove firefox
sudo snap remove snap-store
sudo snap remove gtk-common-themes

Kubuntu 22.04 Astro PC

sudo apt install openssh-server

sudo dpkg-reconfigure unattended-upgrades
sudo apt update
sudo apt upgrade
sudo reboot

Instructions (works on amd64 and arm64)

A copy/paste guide to getting a full working astro-imaging computer running on Ubuntu 20.04 LTS. Installs latest stable versions of gpsd, KStars, INDI, OACapture, SkyChart, ASTAP, and Astrometry.net.

Install Ubuntu 20.04 (or Xubuntu, Kubuntu, or any other Ubuntu)

PC (amd64)

https://releases.ubuntu.com/20.04/

git remote rename origin upstream
git remote add origin https://github.com/user/FORK.git
git checkout -b newFeatureBranch

Whenever you need to update your fork based on the recent evolution of the original repo:

git checkout master

Raspberry Pi 4 Boot Ubuntu from USB SSD

This is a copy/paste guide to booting Ubuntu 20.04 from an SSD on a Raspberry Pi 4.

The majority of these commands came from this forum post: https://www.raspberrypi.org/forums/viewtopic.php?t=278791

Prep-work

This section only needs to be done the first time for a given Raspbery Pi 4. It flashes the EEPROM on the device to support booting from USB.

	https://github.com/fenriques/AstroDom
	https://github.com/gehelem/als
	http://www.openastroproject.org
	http://www.ap-i.net
	https://github.com/BenJuan26/OpenSkyStacker
	https://github.com/DeepSkyWorkflows/DeepSkyWorkflowScripts
	https://github.com/Atlan160/Easy-Astrometry
	https://github.com/hletrd/PyPreprocessor
	https://github.com/rickbassham/fitsrename
	https://github.com/rickbassham/fits-header-edit

	#KStars version 3.5.5. Analyze log version 1.0.

	AnalyzeStartTime,2021-09-23 18:57:10.295,EDT
	MountState,0.000,Idle
	Temperature,1.265,22.010
	MountCoords,1.283,215.8417,-42.3375,215.0164,-0.0089,1,50.9208
	MountState,1.283,Parked
	Temperature,603.315,21.450
	Temperature,1204.794,21.080
	Temperature,1806.255,20.570

	Process: kstars [16074]
	Path: /Applications/KStars.app/Contents/MacOS/kstars
	Identifier: ???
	Version: 3.5.0 (3.5.0)
	Code Type: X86-64 (Native)
	Parent Process: ??? [1]
	Responsible: kstars [16074]
	User ID: 501

	Date/Time: 2020-12-07 19:11:40.051 -0500

	FROM --platform=arm64 ubuntu:20.04

	ARG DEBIAN_FRONTEND="noninteractive"
	ENV TZ=America/New_York

	RUN mkdir /src

	COPY . /src

	WORKDIR /src