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I’d like to get an id unique to a computer with Java, on Windows, MacOS and, if possible, Linux. It could be a disk UUID, motherboard S/N…
Runtime.getRuntime().exec can be used (it is not an applet).
Ideas?
It is common to use the MAC address is associated with the network card.
The address is available in Java 6 through through the following API:
Java 6 Docs for Hardware Address
I haven’t used it in Java, but for other network identification applications it has been helpful.