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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2015 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Automatically configures the Pi to use the 2.8 LCD screen to display stats on it (also works over ssh)
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
############ FUNCTIONS ###########
# Run this script as root or under sudo
echo ":::"
if [[ $EUID -eq 0 ]];then
echo "::: You are root."
else
echo "::: sudo will be used."
# Check if it is actually installed
# If it isn't, exit because the install cannot complete
if [[ $(dpkg-query -s sudo) ]];then
export SUDO="sudo"
else
echo "::: Please install sudo or run this script as root."
exit 1
fi
fi
# Borrowed from adafruit-pitft-helper < borrowed from raspi-config
# https://github.com/adafruit/Adafruit-PiTFT-Helper/blob/master/adafruit-pitft-helper#L324-L334
getInitSys() {
if command -v systemctl > /dev/null && systemctl | grep -q '\-\.mount'; then
SYSTEMD=1
elif [ -f /etc/init.d/cron ] && [ ! -h /etc/init.d/cron ]; then
SYSTEMD=0
else
echo "Unrecognised init system"
return 1
fi
}
# Borrowed from adafruit-pitft-helper:
# https://github.com/adafruit/Adafruit-PiTFT-Helper/blob/master/adafruit-pitft-helper#L274-L285
autoLoginPiToConsole() {
if [ -e /etc/init.d/lightdm ]; then
if [ $SYSTEMD -eq 1 ]; then
$SUDO systemctl set-default multi-user.target
$SUDO ln -fs /etc/systemd/system/autologin@.service /etc/systemd/system/getty.target.wants/getty@tty1.service
else
$SUDO update-rc.d lightdm disable 2
$SUDO sed /etc/inittab -i -e "s/1:2345:respawn:\/sbin\/getty --noclear 38400 tty1/1:2345:respawn:\/bin\/login -f pi tty1 <\/dev\/tty1 >\/dev\/tty1 2>&1/"
fi
fi
}
######### SCRIPT ###########
# Set pi to log in automatically
getInitSys
autoLoginPiToConsole
# Set chronomter to run automatically when pi logs in
echo /usr/local/bin/chronometer.sh >> /home/pi/.bashrc
# OR
#$SUDO echo /usr/local/bin/chronometer.sh >> /etc/profile
# Set up the LCD screen based on Adafruits instuctions:
# https://learn.adafruit.com/adafruit-pitft-28-inch-resistive-touchscreen-display-raspberry-pi/easy-install
curl -SLs https://apt.adafruit.com/add-pin | $SUDO bash
$SUDO apt-get -y install raspberrypi-bootloader
$SUDO apt-get -y install adafruit-pitft-helper
$SUDO adafruit-pitft-helper -t 28r
# Download the cmdline.txt file that prevents the screen from going blank after a period of time
$SUDO mv /boot/cmdline.txt /boot/cmdline.orig
$SUDO curl -o /boot/cmdline.txt https://raw.githubusercontent.com/pi-hole/pi-hole/master/advanced/cmdline.txt
# Back up the original file and download the new one
$SUDO mv /etc/default/console-setup /etc/default/console-setup.orig
$SUDO curl -o /etc/default/console-setup https://raw.githubusercontent.com/pi-hole/pi-hole/master/advanced/console-setup
# Instantly apply the font change to the LCD screen
$SUDO setupcon
$SUDO reboot
# Start showing the stats on the screen by running the command on another tty:
# http://unix.stackexchange.com/questions/170063/start-a-process-on-a-different-tty
#setsid sh -c 'exec /usr/local/bin/chronometer.sh <> /dev/tty1 >&0 2>&1'
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