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69 lines
2.3 KiB
XML
69 lines
2.3 KiB
XML
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<?xml version="1.0" standalone="no"?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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]>
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<section id="sn-configuring-usb-device-access">
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<title>Configuring USB device access (Linux only)</title>
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<para>
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Linux is by default a multi-user system, so it has to have a policy to
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determine who can access various devices. This includes those that can be
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plugged into to a USB port.
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</para>
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<para>
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For devices known to the operating system (which these days includes most
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digital cameras, scanners, MIDI interfaces etc.), a logged-in user will be
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granted access automatically. However, for devices that the OS doesn't
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recognize (even if there is software on it that can use it), this is not the
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case. It is possible to configure Linux to reverse this policy and grant all
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users access to all devices, but this is not recommended for security
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reasons.
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</para>
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<section id="usb-access-tranzport">
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<title>Configuring Access to a Frontier Design Tranzport</title>
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<para>
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Using the Tranzport on Linux requires a couple of extra steps to enable
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non-administrative users to access the device.
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</para>
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<para>
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First, you need to login as the administrative user ("root"). Then put the
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following into a new file called <filename>/etc/hotplug/usb/tranzport</filename>
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</para>
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<screen>
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#!/bin/sh
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if [ $ACTION = "add" ] && [ -f $DEVICE ] ; then
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chmod 0666 $DEVICE
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fi
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exit 0
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</screen>
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<para>
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Then make sure that the file is executable by running
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</para>
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<screen>
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chmod +x /etc/hotplug/usb/tranzport
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</screen>
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<para>
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Second, edit the file <filename>/etc/hotplug/usb.usermap</filename> by adding the following 2
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lines to the end of it (make sure that the 2nd line is not split across
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multiple lines, even though it is very long):
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</para>
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<screen>
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# Frontier Design Tranzport
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tranzport 0x0000 0x165b 0x8101 0x0000 0x0000 0x00 0x00 0x00 0x00 0x00 0x00 0x00000000
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</screen>
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<para>
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After doing these steps, the next time you plugin your Tranzport it will be
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accessible to you as a regular user.
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</para>
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</section>
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<!--
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="Some_Subsection.xml" />
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-->
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</section>
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