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Add note about testavs to readme #15

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Add note about testavs to readme #15

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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -27,3 +27,5 @@ A useful test that the above rule actually triggers when the device is plugged i
udevadm test /devices/pci0000:00/0000:00:14.0/usb1/1-4

You can also try running `udevadm monitor --udev` and plugging and un-plugging the device, but I found this not to be as informative as the above `udevadm test` command was.

To confirm that your above changes worked, use the `testavs` executable distributed with the vendor files (in the `Qt5_demos/`) directory. You can first run it as root to confirm that `libavs.so` is being found by the system that the device is seen at all. Then, after you have configured the above udev rules, you can run it as a user in the "lsst" group to confirm that it works for non-root users.