install-lightdm-gtk-greeter.sh

#!/bin/sh

sudo apt-get install lightdm lightdm-gtk-greeter

mkdir -p "/tmp/lightdm"

cat > "/tmp/lightdm/lightdm.conf" << 'EOF'
[SeatDefaults]
greeter-session=lightdm-gtk-greeter
user-session=Mint-LXDE
allow-guest=false
EOF

cat > "/tmp/lightdm/lightdm-gtk-greeter.conf" << 'EOF'
#
# background = Background file to use, either an image path or a color (e.g. #772953)
# theme-name = GTK+ theme to use
# font-name = Font to use
# xft-antialias = Whether to antialias Xft fonts (true or false)
# xft-dpi = Resolution for Xft in dots per inch (e.g. 96)
# xft-hintstyle = What degree of hinting to use (hintnone, hintslight, hintmedium, or hintfull)
# xft-rgba = Type of subpixel antialiasing (none, rgb, bgr, vrgb or vbgr)
# show-language-selector (true or false)
#
[greeter]
background=/usr/share/backgrounds/linuxmint-lisa/pr09studio_nature.png
theme-name=Mint-Z
icon-theme-name=Mint-X
font-name=Ubuntu 10
xft-antialias=true
xft-dpi=96
xft-hintstyle=hintslight
xft-rgba=rgb
EOF

sudo mv -f "/tmp/lightdm" "/etc"

sudo chown -R root:root "/etc/lightdm"