I would prefer to combine 2 different attribute from system details like MAC ADDR of any in-built interface with dmidecode output like system serial number or system UUID. //snippet from dmidecode System Information Manufacturer: LENOVO Product Name: 2537CT1 Version: ThinkPad T410 Serial Number: R87AF8Y UUID: 81E34735-8450-CB11-973C-C064F0097285 Regards, Ajit Mote On Mon, Sep 5, 2011 at 2:07 PM, Gaurav Mahajan <gauravmahajan2007@gmail.com>wrote:

Hi,

I wan to recognize a particular machine uniquely.

I would like to know which attribute of any machine can uniquely identify a particular machine. The machine may be a Virtual machine.

Are BIOS information for machine are unique???? Is processor id is unique????

or we can form unique identification number of machine with the combination of the bios attributes.????

Regards, Gaurav Mahajan.

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-- Thanks & Regards, Ajit Subhash Mote