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