install_lxde_desktop

#!/bin/bash

# ******************************
# Install minimal lxde desktop *
# ******************************

if [ "$(id -u)" != "0" ]; then
    echo "Script must be run as root !"
    exit 0
fi

echo ""
date
echo -e "\033[36m======================="
echo -e "Installing LXDE Desktop"
echo -e "=======================\033[37m"
setterm -default
echo ""

# Check if we have enough disk space.
S=`df / | tail -n 1 | awk '{printf $4}' | sed s/[G,M,K]//g`
if [ "$S" -le "500000" ]; then
    echo "We need at least 500MB free to perform minimal desktop instalation"
    echo "Have you resized your partition (fs_resize)?"
    exit 0
fi

# SET USER NAME !!
_user="orangepi"

logfile="lxde_install.log"
#logfile=/dev/stdout

#_auto=""
_auto="-y -q"
_DST=`lsb_release -si`
_REL=`lsb_release -sc`


echo "Package update..."
apt-get $_auto update >> $logfile
echo "Package upgrade..."
apt-get $_auto upgrade >> $logfile
echo ""

echo "$_DST - $_REL, Installing LXDE DESKTOP..."
echo "$_DST - $_REL, Installing LXDE DESKTOP..." > $logfile

# === Install desktop =============================================================================================================================================================
echo "  installing xserver & lxde desktop, please wait..."
apt-get $_auto install xinit xserver-xorg >> $logfile
apt-get $_auto install lxde lightdm lightdm-gtk-greeter policykit-1 --no-install-recommends >> $logfile
apt-get clean

if [ "${_DST}" = "Ubuntu" ] ; then
    apt-get $_auto install humanity-icon-theme --no-install-recommends >> $logfile
fi
apt-get $_auto install pulseaudio pulseaudio-module-x11 pulseaudio-utils alsa-base alsa-oss alsa-utils alsa-tools libasound2-data pavucontrol --no-install-recommends >> $logfile
apt-get $_auto install smplayer >> $logfile
apt-get $_auto install synaptic software-properties-gtk lxtask galculator policykit-1-gnome gksu --no-install-recommends >> $logfile
apt-get clean

# === Install network packages & internet browser =================================================================================================================================
# === you don't have to install internet browser, you can save ~100MB ===

echo "  installing network packages, please wait..."
if [ "${_DST}" = "Ubuntu" ] ; then
    apt-get $_auto install chromium-browser gvfs-fuse gvfs-backends network-manager-gnome --no-install-recommends >> $logfile
else
    apt-get $_auto install iceweasel gvfs-fuse gvfs-backends network-manager-gnome --no-install-recommends >> $logfile
fi
apt-get clean

if [ "${1}" = "lubuntu" ] && [ "${_DST}" = "Ubuntu" ]; then
    apt-get $_auto install lubuntu-core gnome-system-monitor --no-install-recommends >> $logfile
fi

# === Configuration ===============================================================================================================================================================
echo ""
echo "Configuring desktop..."

if [ -f /etc/X11/Xwrapper.config ]; then
    cat /etc/X11/Xwrapper.config | sed s/"allowed_users=console"/"allowed_users=anybody"/g > /tmp/_xwrap
    mv /tmp/_xwrap /etc/X11/Xwrapper.config
fi

if [ -f /etc/lightdm/lightdm-gtk-greeter.conf ]; then
    cat /etc/lightdm/lightdm-gtk-greeter.conf | sed "/background=\/usr/d" > /tmp/_greet
    mv /tmp/_greet /etc/lightdm/lightdm-gtk-greeter.conf
    cat /etc/lightdm/lightdm-gtk-greeter.conf | sed '/\[greeter\]/abackground=\/usr\/share\/lxde\/wallpapers\/lxde_blue.jpg' > /tmp/_greet
    mv /tmp/_greet /etc/lightdm/lightdm-gtk-greeter.conf
fi

#*********************
# ** CONFIGURE SOUND
#*********************
cat > /etc/asound.conf << _EOF_
pcm.!default {
    type hw
    card 1    #If you want to set HDMI as output ,turn 0 to 1.
    device 0
  }
  ctl.!default {
    type hw
    card 1   #If you want to set HDMI as output ,turn 0 to 1.
  }
_EOF_

if [ -f /etc/pulse/default.pa ]; then
    cat /etc/pulse/default.pa | sed s/"load-module module-udev-detect$"/"load-module module-udev-detect tsched=0"/g > /tmp/default.pa
    mv /tmp/default.pa /etc/pulse/default.pa
fi


usermod -a -G adm,dialout,cdrom,dip,video,plugdev,netdev,fuse $_user

chown -R $_user:$_user /home/$_user

echo ""
echo -e "\033[36m**********************************************"
echo -e "* LXDE DESKTOP INSTALLED, please REBOOT now! *"
echo -e "**********************************************\033[37m"
setterm -default
date
echo ""