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usermod -a -G scanner root<br><br>
Next, we need to tell the system to set the scanner permissions so it uses the new group. <br><br> To do that, we need to know how to identify the scanner. I'm assuming you have a USB scanner; if not, the process is similar, but I'm not sure how to identify the scanner correctly. <p>
With the scanner plugged in, run the lsusb command. You'll get several lines like this:
Bus 001 Device 002: ID 046d:c00e Logitech, Inc. Optical Mouse<br>
Look for the one that looks like it's for your scanner, and write down the two numbers next to ID (in this case, if the mouse was actually a scanner, 046d and c00e). The left number is the vendor ID, and the right is the product ID. Another option is to look here: http://www.linux-usb.org/usb.ids for your manufacturer and product.
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644" (might be mode 0664 instead)
This says "when a device is plugged into the USB bus, add a device under /dev/bus/usb/<BUS NUMBER> called <DEVICE NUMBER>, with permissions owner (root) RW, and everyone else read only".
Add a line above that one that says:
