CONFIGURATION.md

R and Rscript

sudo apt-get install r-base sudo apt-get install libcurl4-openssl-dev sudo apt-get install libv8-3.14-dev

suncalc R package

install.packages('RCurl') install.packages('V8') install.packages('suncalc')

at

sudo apt-get install at

gphoto2

sudo apt-get install gphoto2 libgphoto2*

note about gphoto2

test gphoto2 installation by executing 'gphoto2 --capture-image-and-download'. If you get an error related to not being able to claim the USB device, kill processes as described at this link: https://askubuntu.com/questions/993876/gphoto2-could-not-claim-the-usb-device

imgagemagick

sudo apt-get install imagemagick

ffmpeg

sudo apt-get install ffmpeg

jq

sudo apt-get install jq

twurl

sudo gem install twurl

install and configure ntp so time is automatically set on boot

sudo apt install ntp sudo systemctl enable ntp sudo timedatectl set-ntp 1

clone repo

git clone https://github.com/andrewsu/SunsetCam.git

set up cron job

using crontab -e create a job like this to run every morning at 1AM 0 1 * * * cd /home/pi/SunsetCam && ./scheduler.sh

force time to update on boot

add these lines to /etc/rc.local

/etc/init.d/ntp stop
/usr/sbin/ntpd -q -g
/etc/init.d/ntp start

authorize the twitter account

CONFIG_FILE="config.txt" 
if [ ! -f $CONFIG_FILE ]; then
     echo "Configuration file not found! Exiting..."
     exit 1
fi 
source $CONFIG_FILE
twurl authorize --consumer-key $TWITTER_API_KEY --consumer-secret $TWITTER_API_SECRET_KEY

follow instructions shown at prompt (go to twitter URL, authenticate, enter PIN)