Run a Program On Your Raspberry Pi At Startup rpi start

https://www.dexterindustries.com/howto/run-a-program-on-your-raspberry-pi-at-startup/

  sudo nano /etc/rc.local
  
  
  sudo python3 /home/pi/record_solar_data_to_sql_rpi_5k.py &
  # sudo python3 /home/pi/record_solar_data_to_sql_rpi_30k.py &


list running:
  sudo ps aux | grep -i record
  
kill process  
  sudo kill 449