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How can I provide access to hardware peripherals, without compromising security?

April 26, 2017compromising hardware peripherals security

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How can I provide access to hardware peripherals, without compromising security?

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Many device files in the /dev directory belong to some predefined groups. For example, /dev/fd0 belongs to the floppy group, and /dev/dsp belongs to the audio group. If you want a certain user to have access to one of these devices, just add the user to the group the device belongs to, i.e.