Raspberry PI setup

rpi.sh

#!/bin/bash
#
#  Opinionated configuration script for Raspberry Pi OS
#
#  This will:
#   - Secure and update
#   - Install common tools
#   - Setup headless operation
#   - Set locale to US/Central
#   - and more
#
#  How To Use:
#  curl https://gist.githubusercontent.com/musicin3d/e58a0b097e17ec13df054ac57ac0fc7e/raw | bash -
#
#  Author: @musicin3d
#  License: whatever / FOSS
#  Guarantees: none
#
#  Other useful resources: 
#   - Static IP: https://www.raspberrypi.org/documentation/configuration/tcpip/
#

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

# update and install from apt
apt upgrade
apt install vim

# enable ssh
raspi-config nonint do_ssh 0

# change password
echo ''
while : ; do
   read -p "Please set a new password for pi user: " -s pw1 </dev/tty
   echo ''
   read -p "Confirm new password for pi user: " -s pw2 </dev/tty
   echo ''
   [[ $pw1 == $pw2 ]] && break
   echo 'Error: Passwords did not match'
done
echo "pi:$pw1" | chpasswd
echo 'Password updated'; echo ''
pw1=''
pw2=''

# boot to console
raspi-config nonint do_boot_behaviour B1 2> /dev/null

# minimize gpu memory
raspi-config nonint do_memory_split 16

# set location to US/Central
raspi-config nonint do_change_locale en_US
raspi-config nonint do_configure_keyboard us
timedatectl set-timezone America/Chicago
raspi-config nonint do_wifi_country US

# expand file system
raspi-config nonint do_expand_rootfs

# update and manual config/review
SUDO_USER=pi raspi-config nonint do_update

# recommend reboot
echo ''
echo 'Reboot is HIGHLY recommended to apply all settings'
echo ''
while : ; do
   read -p "Reboot now? (y/n): " reboot </dev/tty
   [[ $reboot == 'y' ]] && reboot && exit 0
   [[ $reboot == 'n' ]] && break
   echo 'Error: Invalid option. Please enter "y" or "n"'
done
echo ''
echo 'Run `reboot` when you are ready'
echo ''