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I am using Red Hat Linux 7 and I purchased an application that requires the MAC address (it does not need an internet connection, however). I only have one Network ...
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  1. #1
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    Can I obtain the MAC address without an ethernet connection?


    I am using Red Hat Linux 7 and I purchased an application that requires the MAC address (it does not need an internet connection, however). I only have one Network Interface Card (NIC). While I am on the road, or away from my desk, I do not have an internet connection available. Without a connection, Red Hat 7 is not able to determine the NIC's MAC address.

    An ugly solution to this problem is to provide a static IP in order to force Linux to seek the card's MAC address, but when I do this I don't know how I can get Linux to seek the card without rebooting. I was hoping there might be a better way around this problem.

    Any thoughts on making this even slightly easier would be great! Perhaps just the ability to offer a static IP and obtain the MAC address without rebooting ... anything. It's an awfully annoying problem.

  2. #2
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    as root
    /etc/init.d/network restart
    ????
    I am not sure if that helps but that restarts the network interfaces. Why not just copy the mac address for once?

  3. #3
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    That does help a lot. I am assuming you restart the network interfaces after you set the static IP. I will try this next time I am in Linux.

    PS: The reason I cannot copy the mac address is because it's something the program obtains on its own for the purpose of obtaining a valid license!

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