sudo sed -i 's#exit 0#/usr/bin/tvservice -o#' /etc/rc.local
echo "dtparam=act_led_trigger=none" | sudo tee -a /boot/config.txt echo "dtparam=act_led_activelow=on" | sudo tee -a /boot/config.txt
sudo systemctl disable avahi-daemon.service
echo "blacklist btbcm" | sudo tee -a /etc/modprobe.d/raspi-blacklist.conf echo "blacklist hci_uart" | sudo tee -a /etc/modprobe.d/raspi-blacklist.conf sudo systemctl disable bluetooth.service