Headless Raspbian setup – WiFi and SSH

headless-pi.sh

#!/bin/bash

clear
echo ""
echo -e "\e[44mHEADLESS RASPBIAN\e[0m"
echo "WiFi & SSH setup"
echo ""
echo "Available partitions:"
lsblk -e7
echo ""

DEFAULT_PATH=$(lsblk -e7 | grep /boot$ | awk '{print $NF}') # guess
DEFAULT_SSID=$(nmcli -t -f active,ssid dev wifi | grep ^yes | cut -d ':' -f2)

echo ""
read -p $'What directory should we use? \n> ' -i $DEFAULT_PATH -e BOOTPATH
echo ""
read -p $'Enter 2-letter country code \n> ' -i "PL" -e COUNTRY
echo ""
read -p $'Enter SSID \n> ' -i $DEFAULT_SSID -e SSID
echo ""
read -s -p $'Enter passphrase \n> ' -e PASS
echo ""

echo ""
echo -e "Writing \e[34m\e[1m$BOOTPATH/wpa_supplicant.conf\e[0m"
echo "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=$COUNTRY

network={
 ssid=\"$SSID\"
 psk=\"$PASS\"
}" > $BOOTPATH/wpa_supplicant.conf

echo -e "Creating \e[1m$BOOTPATH/ssh\e[0m"
echo "" > $BOOTPATH/ssh