Raspbian Debian Software Updates

Create a script to update the operating system.

sudo vi /usr/sbin/update

add the following contents to file

#!/bin/bash

if [[ ${EUID} -ne 0 ]]; then
        echo " !!! This tool must be run as root"
        exit 1
fi

apt-get update
apt-get -y upgrade
apt-get -y dist-upgrade
apt-get -y autoclean

make file executable

sudo chmod +x /usr/sbin/update

execute script

sudo update

raspbian Firmware

This script already exists

sudo rpi-update