[ubuntu] Unable to make clone image for ubuntu 12.04

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http://ubuntuforums.org – Hi, I installed ubuntu 12.04 along with supported applications in my one desktop and one laptop. i have another similar model of desktops and laptops. how can i take the clone image from my installed desktop and laptop and transfer to another same model of desktop and same model of laptop without installing. Please help. Thanks Himadri (Hardware)