A quick setup tips for getting Octpprint to work with the CR-10. Make sure you use good quality cables to connect the Pi to the printer and also make sure the power supply to the pi is giving enough power to keep it up and going reliabley. Set the following on octoprint and it should work out great.
Baud Rate is 115200
Serial Port has to be set to USB (/dev/tty/USB0), Auto will not work.