firstrun.sh

#!/bin/bash

set +e

CURRENT_HOSTNAME=`cat /etc/hostname | tr -d " \    \
\\r"`
if [ -f /usr/lib/raspberrypi-sys-mods/imager_custom ]; then
   /usr/lib/raspberrypi-sys-mods/imager_custom set_hostname raspberrypi
else
   echo raspberrypi >/etc/hostname
   sed -i "s/127.0.1.1.*$CURRENT_HOSTNAME/127.0.1.1\    raspberrypi/g" /etc/hosts
fi
FIRSTUSER=`getent passwd 1000 | cut -d: -f1`
FIRSTUSERHOME=`getent passwd 1000 | cut -d: -f6`
if [ -f /usr/lib/raspberrypi-sys-mods/imager_custom ]; then
   /usr/lib/raspberrypi-sys-mods/imager_custom enable_ssh
else
   systemctl enable ssh
fi
if [ -f /usr/lib/userconf-pi/userconf ]; then
   /usr/lib/userconf-pi/userconf 'myuser' '<hash-of-the-user-password>'
else
   echo "$FIRSTUSER:"'<hash-of-the-user-password>' | chpasswd -e
   if [ "$FIRSTUSER" != "myuser" ]; then
      usermod -l "myuser" "$FIRSTUSER"
      usermod -m -d "/home/myuser" "myuser"
      groupmod -n "myuser" "$FIRSTUSER"
      if grep -q "^autologin-user=" /etc/lightdm/lightdm.conf ; then
         sed /etc/lightdm/lightdm.conf -i -e "s/^autologin-user=.*/autologin-user=myuser/"
      fi
      if [ -f /etc/systemd/system/[email protected]/autologin.conf ]; then
         sed /etc/systemd/system/[email protected]/autologin.conf -i -e "s/$FIRSTUSER/myuser/"
      fi
      if [ -f /etc/sudoers.d/010_pi-nopasswd ]; then
         sed -i "s/^$FIRSTUSER /myuser /" /etc/sudoers.d/010_pi-nopasswd
      fi
   fi
fi
if [ -f /usr/lib/raspberrypi-sys-mods/imager_custom ]; then
   /usr/lib/raspberrypi-sys-mods/imager_custom set_wlan 'MY-SSID' 'MY-PASSWORD' 'PT'
else
cat >/etc/wpa_supplicant/wpa_supplicant.conf <<'WPAEOF'
country=PT
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
ap_scan=1

update_config=1
network={
    ssid="MY-SSID"
    psk=MY-PASSWORD
}

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
fi
if [ -f /usr/lib/raspberrypi-sys-mods/imager_custom ]; then
   /usr/lib/raspberrypi-sys-mods/imager_custom set_keymap 'us'
   /usr/lib/raspberrypi-sys-mods/imager_custom set_timezone 'Europe/Lisbon'
else
   rm -f /etc/localtime
   echo "Europe/Lisbon" >/etc/timezone
   dpkg-reconfigure -f noninteractive tzdata
cat >/etc/default/keyboard <<'KBEOF'
XKBMODEL="pc105"
XKBLAYOUT="us"
XKBVARIANT=""
XKBOPTIONS=""

KBEOF
   dpkg-reconfigure -f noninteractive keyboard-configuration
fi
rm -f /boot/firstrun.sh
sed -i 's| systemd.run.*||g' /boot/cmdline.txt
exit 0