Changing the Login Screen in Xubuntu 12.10

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So, I've commenced my experimenting phase in Xubuntu by changing its login screen. For changing the login screen in Xubuntu, follow the steps given below:

1. Switch to root user using the command:

      sudo -i

2. As per Wikipedia, LightDM is an X display manager that aims to be light, fast, extensible and multi-desktop. It uses various front-ends to draw login interfaces,so-called Greeters.

Allow the user lightdm to create a connection to the X server using this command:

    xhost +SI:localuser:lightdm

3. Switch to Lightdm and set its default shell as bash.

    su lightdm -s bash

4. Edit the 'lightdm-gtk-greeter.conf' using any suitable editor.

     vim /etc/lightdm/lightdm-gtk-greeter.conf

5. Replace the default image address in background entry in the [greeter] section with the path address to your desired image. You can also change theme, logo, icon theme and font from here.

[greeter]
logo=/usr/share/pixmaps/xubuntu-lightdm-computer.png
background=/home/mayank/Desktop/Wall/bat.png

theme-name=Greybird
icon-theme-name=elementary-xfce
font-name=Droid Sans 10
xft-antialias=true
xft-dpi=96
xft-hintstyle=slight
xft-rgba=rgb
show-language-selector=true

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