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Short question. Is it a good idea to give a group of users access to certain devices by writing your own udev rules in linux? If not, what would be a better approach?

I want the changes to be persistent and it is not sufficient to manage the permissions manually during runtime.

As an example, say that I want all the users in group 'serial' to be able to use serial usb devices.

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Sure, that's a perfectly valid use for udev.

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