Raspberry Pi setup script

provision.sh

#!/bin/bash

# Configurables
desktop_wallpaper_url="https://example.com/dashboard/wallpaper.png"
dashboard_files_url="https://example.com/dashboard/" # Must end in a slash

# Turn WiFi power management off
sudo iwconfig wlan0 power off

# Setup hostname
currhost=$(cat /etc/hostname)
echo "Enter a hostname for this pi: "
read newhost
sudo sed -i "s/$currhost/$newhost/g" /etc/{hosts,hostname}

# Configure wallpaper
wget $desktop_wallpaper_url -O /home/pi/wallpaper.png

desktopconf="
[*]
wallpaper_mode=center
wallpaper_common=1
wallpaper=/home/pi/wallpaper.png
desktop_bg=#ffffff
desktop_fg=#000000
desktop_shadow=#d6d3de
desktop_font=Roboto Light 12
show_wm_menu=0
sort=mtime;ascending;
show_documents=0
show_trash=0
show_mounts=0
"

echo "$desktopconf" > /home/pi/.config/pcmanfm/LXDE-pi/desktop-items-0.conf

# Install chromium
wget -qO - http://bintray.com/user/downloadSubjectPublicKey?username=bintray | sudo apt-key add -
echo "deb http://dl.bintray.com/kusti8/chromium-rpi jessie main" | sudo tee -a /etc/apt/sources.list
sudo apt-get update
sudo apt-get install chromium-browser -y

# Configure autostart
autostartconf="
@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
@xset s off
@xset -dpms
@xset s noblank
@/home/pi/startup.sh
@unclutter -idle 0.1 -root
"
echo "$autostartconf" > /home/pi/.config/lxsession/LXDE-pi/autostart

startupsh="
#!/bin/sh

# Turn WiFi power management off
sudo iwconfig wlan0 power off

# Start Chromium in fullscreen
chromium-browser --disable-infobars --disable-session-crashed-bubble --display=':0' --kiosk \"$dashboard_files_url\$(hostname).html?\$RANDOM\"
"

# Configure startup.sh
echo "$startupsh" > /home/pi/startup.sh
chmod +x /home/pi/startup.sh

# Reboot
sudo reboot