Préparer une Raspberry Pi

echo "rpi-c12-04" | sudo tee /mnt/rpi_boot/hostname.txt

sudo sed -i -e '$ s/$/ cfg80211.ieee80211_regdom=FR systemd.run=\/boot\/firstrun.sh systemd.run_success_action=reboot systemd.unit=kernel-command-line.target/' /mnt/rpi_boot/cmdline.txt

sudo tee /mnt/rpi_boot/firstrun.sh > /dev/null << 'EOF'
#!/bin/bash
set +e
CURRENT_HOSTNAME=$(cat /etc/hostname | tr -d " \t\n\r")
NEW_HOSTNAME=$(cat /boot/firmware/hostname.txt | tr -d " \t\n\r")
echo $NEW_HOSTNAME > /etc/hostname
sed -i "s/127.0.1.1.*$CURRENT_HOSTNAME/127.0.1.1\t$NEW_HOSTNAME/g" /etc/hosts
systemctl enable ssh
FIRSTUSER=$(getent passwd 1000 | cut -d: -f1)
FIRSTUSERHOME=$(getent passwd 1000 | cut -d: -f6)
echo "$FIRSTUSER:"'$5$bD3Tw27JLx$G8uIBQgYsTzf3L3IS8hxgEoqqfkvAFqJfltQ7KSy9Y3' | chpasswd -e
if [ "$FIRSTUSER" != "pi" ]; then
  usermod -l "pi" "$FIRSTUSER"
  usermod -m -d "/home/pi" "pi"
  groupmod -n "pi" "$FIRSTUSER"
  if grep -q "^autologin-user=" /etc/lightdm/lightdm.conf ; then
    sed /etc/lightdm/lightdm.conf -i -e "s/^autologin-user=.*/autologin-user=pi/"
  fi
  if [ -f /etc/systemd/system/getty@tty1.service.d/autologin.conf ]; then
    sed /etc/systemd/system/getty@tty1.service.d/autologin.conf -i -e "s/$FIRSTUSER/pi/"
  fi
  if [ -f /etc/sudoers.d/010_pi-nopasswd ]; then
    sed -i "s/^$FIRSTUSER /pi /" /etc/sudoers.d/010_pi-nopasswd
  fi
fi
cat >/etc/wpa_supplicant/wpa_supplicant.conf << 'WPAEOF'
country=FR
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
ap_scan=1
update_config=1
network={
  ssid="STS_C12"
  psk=fc3c77582ae2ac71409f1a2cdade251e6e8414af9136d68cc39eccd7ee532ac8
}
WPAEOF
chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
rfkill unblock wifi
for filename in /var/lib/systemd/rfkill/*:wlan ; do echo 0 > $filename; done
rm -f /etc/localtime
echo "Europe/Paris" > /etc/timezone
dpkg-reconfigure -f noninteractive tzdata
cat >/etc/default/keyboard << 'KBEOF'
XKBMODEL="pc105"
XKBLAYOUT="fr"
XKBVARIANT=""
XKBOPTIONS=""
KBEOF
dpkg-reconfigure -f noninteractive keyboard-configuration
if [ -f /etc/xdg/autostart/piwiz.desktop ]; then
  mv /etc/xdg/autostart/piwiz.desktop /etc/xdg/autostart/.piwiz.desktop.save
fi
systemctl disable userconfig.service > /dev/null 2>&1
if [ "$(getent passwd rpi-first-boot-wizard)" != "" ]; then
  userdel -r rpi-first-boot-wizard > /dev/null 2>&1
fi
rm -f /etc/sudoers.d/010_wiz-nopasswd
rm -f /etc/xdg/autostart/deluser.desktop
sudo rm /etc/profile.d/sshpwd.sh
sudo rm /etc/xdg/lxsession/LXDE-pi/sshpwd.sh
rm -f /boot/firstrun.sh
sed -i 's| systemd.run.*||g' /boot/cmdline.txt
exit 0
EOF
sudo chmod +x /mnt/rpi_boot/firstrun.sh

cfg80211.ieee80211_regdom=FR systemd.run=/boot/firstrun.sh systemd.run_success_action=reboot systemd.unit=kernel-command-line.target

#!/bin/bash

# Demande au shell de stopper l'exécution du script dès qu'une erreur se produit
set +e

# Configuration du nouveau nom d'hôte avec celui
# présent dans le fichier hostanme.txt
CURRENT_HOSTNAME=`cat /etc/hostname | tr -d " \t\n\r"`
NEW_HOSTNAME=`cat /boot/firmware/hostname.txt | tr -d " \t\n\r"`
echo $NEW_HOSTNAME >/etc/hostname
sed -i "s/127.0.1.1.*$CURRENT_HOSTNAME/127.0.1.1\t$NEW_HOSTNAME/g" /etc/hosts

# Activation de SSH
systemctl enable ssh

# Mise en place d el'utilisateur par défaut
# (user : pi / password : raspberry)
FIRSTUSER=`getent passwd 1000 | cut -d: -f1`
FIRSTUSERHOME=`getent passwd 1000 | cut -d: -f6`
echo "$FIRSTUSER:"'$5$bD3Tw27JLx$G8uIBQgYsTzf3L3IS8hxgEoqqfkvAFqJfltQ7KSy9Y3' | chpasswd -e
if [ "$FIRSTUSER" != "pi" ]; then
   usermod -l "pi" "$FIRSTUSER"
   usermod -m -d "/home/pi" "pi"
   groupmod -n "pi" "$FIRSTUSER"
   if grep -q "^autologin-user=" /etc/lightdm/lightdm.conf ; then
      sed /etc/lightdm/lightdm.conf -i -e "s/^autologin-user=.*/autologin-user=pi/"
   fi
   if [ -f /etc/systemd/system/getty@tty1.service.d/autologin.conf ]; then
      sed /etc/systemd/system/getty@tty1.service.d/autologin.conf -i -e "s/$FIRSTUSER/pi/"
   fi
   if [ -f /etc/sudoers.d/010_pi-nopasswd ]; then
      sed -i "s/^$FIRSTUSER /pi /" /etc/sudoers.d/010_pi-nopasswd
   fi
fi

# Configuration du WiFi pour la salle C12 (SSID : STS_C12)
cat >/etc/wpa_supplicant/wpa_supplicant.conf <<'WPAEOF'
country=FR
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
ap_scan=1

update_config=1
network={
   ssid="STS_C12"
   psk=fc3c77582ae2ac71409f1a2cdade251e6e8414af9136d68cc39eccd7ee532ac8
}
WPAEOF

chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
rfkill unblock wifi
for filename in /var/lib/systemd/rfkill/*:wlan ; do
   echo 0 > $filename
done

# Configuration du fuseau horaire
rm -f /etc/localtime
echo "Europe/Paris" >/etc/timezone
dpkg-reconfigure -f noninteractive tzdata

# Configuration clavier AZERTY
cat >/etc/default/keyboard <<'KBEOF'
XKBMODEL="pc105"
XKBLAYOUT="fr"
XKBVARIANT=""
XKBOPTIONS=""
KBEOF

dpkg-reconfigure -f noninteractive keyboard-configuration

# Désactive l'exécution automatique de piwiz (interface graphique de configuration) au 1er démarrage
# Source : https://forums.raspberrypi.com/viewtopic.php?t=339914
if [ -f /etc/xdg/autostart/piwiz.desktop ]; then
   mv /etc/xdg/autostart/piwiz.desktop /etc/xdg/autostart/.piwiz.desktop.save
fi
systemctl disable userconfig.service > /dev/null 2>&1
if [ "$(getent passwd rpi-first-boot-wizard)" != "" ]; then
   userdel -r rpi-first-boot-wizard > /dev/null 2>&1
fi
rm -f /etc/sudoers.d/010_wiz-nopasswd
rm -f /etc/xdg/autostart/deluser.desktop

# Désactivation du message d'avertissement concernant l'utilisation du mot de passe par défaut dans SSH
sudo rm /etc/profile.d/sshpwd.sh
sudo rm /etc/xdg/lxsession/LXDE-pi/sshpwd.sh

# Suppression de ce script après son exécution
rm -f /boot/firstrun.sh

# Suppression des options du cmdline.txt permettant de lancer ce script au 1er démarrage
sed -i 's| systemd.run.*||g' /boot/cmdline.txt

exit 0