powermeter server
--unsafe-perm --build-from-source
sudo npm start // sudo is important, otherwise serial port get error
npm i mongodb@2.3.33
/dev/ttyUSB0
goto src. sudo su pm2 start bin/www.js pm2 startup pm2 save
goto src. pm2 start start.js pm2 startup pm2 save
etcher > 2017-09-07-raspbian-stretch.zip
git clone pm-monitoring
-- remove usb and it's code
sudo npm i --unsafe-perm
npm i -g pm2
change config to 192.168.1.1000
pm2 start chromluncher.js
pm2 startup systemd
sudo env PATH=$PATH:/home/pi/.config/versions/node/v11.11.0/bin /usr/lib/node_modules/pm2/bin/pm2 startup systemd -u pi --hp /home/pi
pm2 save
run an app that runs chromium-browser --kiosk localhost:3000