# Disables non core units, disables swap, creates new user, updates system systemctl disable bluetooth.service systemctl disable rpi-display-backlight.service systemctl disable rpi-eeprom-update.service systemctl disable wpa_supplicant.service systemctl disable avahi-daemon.socket systemctl disable avahi-daemon.service systemctl disable dbus-org.freedesktop.Avahi.service systemctl disable dbus-org.freedesktop.timesync1.service systemctl disable keyboard-setup.service systemctl disable hciuart.service systemctl disable nfs-client.target systemctl disable remote-fs.target systemctl disable apt-daily-upgrade.timer systemctl disable apt-daily.timer systemctl disable raspberrypi-net-mods.service dphys-swapfile swapoff dphys-swapfile uninstall sudo useradd -m -d /home/$NEWUSER $NEWUSER usermod -G sudo $NEWUSER apt update apt upgrade reboot