rpi_base_setup.sh

#!/bin/bash

# Install Script to setup Raspberry Pi
# Runs updates, fixes the Locale
# Changes keyboard to US Layout
# Sets Timezone

LOCALE="en_US.UTF-8"
TMZ="America/Vancouver"

read -p "Enter new Hostname: " HOSTNAME
# bail out if blank
[ -z $HOSTNAME ] && echo "Aborting because no hostname provided" && exit 1

read -p "Enter username to replace 'pi': " NEWUSER
# bail out if blank
[ -z $NEWUSER ] && echo "Aborting because no name provided" && exit 1

# Configure Pi
cd ~

echo "Change pi default password..."
sudo passwd

## Add new user and lock Pi User
sudo adduser ${NEWUSER}
for GROUP in $(groups pi | sed -e 's/^pi : pi //'); do sudo adduser ${NEWUSER} ${GROUP}; done
sudo cp /etc/sudoers.d/010_pi-nopasswd /etc/sudoers.d/010_${NEWUSER}-nopasswd
sudo chmod u+w /etc/sudoers.d/010_${NEWUSER}-nopasswd
sudo sed -i "s/pi/${NEWUSER}/g" /etc/sudoers.d/010_${NEWUSER}-nopasswd
sudo chmod u-w /etc/sudoers.d/010_${NEWUSER}-nopasswd
#sudo cat /etc/sudoers.d/010_${NEWUSER}-nopasswd


## Install Updates
sudo apt-get update && sudo apt-get dist-upgrade -y

## expand Filesystem
#raspi-config nonint do_expand_rootfs # NO Longer required

# Set timezone to America/New_York
sudo cp /etc/timezone /etc/timezone.dist
echo "${TMZ}" > /etc/timezone
sudo dpkg-reconfigure -f noninteractive tzdata

# Set the keyboard to US, don't set any modifier keys, etc.
sudo cp /etc/default/keyboard /etc/default/keyboard.dist
sudo sed -i -e "/XKBLAYOUT=/s/gb/us/" /etc/default/keyboard
sudo service keyboard-setup restart

## Change Host name
sudo raspi-config nonint do_hostname ${HOSTNAME}

## Change locale
sudo cp /etc/locale.gen /etc/locale.gen.dist
sudo sed -i -e "s/^en_GB.UTF-8/\# en_GB.UTF-8/g" /etc/locale.gen
sudo sed -i -e "s/^\# ${LOCALE}/${LOCALE}/g" /etc/locale.gen
sudo locale-gen "${LOCALE}"

sudo reboot