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Change Ubuntu 14.04 Login Screen Background

This is a quick simple tutorial on how to change the login screen background image from the default background to background of your own choice. To achieve this, you need to give LightDM user access to the X-Server and open dconf-Editor to change the settings of Unity Greeter. Step 1: Install dconf-editor sudo apt-get install dconf-editor Step 2: Setup LightDM Account РSetup an account for lightdm and switch to new account sudo xhost +SI:localuser:lightdm sudo su lightdm -s /bin/bash Step 3: Start dconf editor РFirst copy your background image to desired location.