指纹安装可参考：
viewtopic.php?f=42&t=165618过热的解决办法是将指纹的电源改为auto，默认是一直开着(on)：
1、查找电源是一直开着的设备：
$ for i in `find /sys/devices/*/*/usb* -name level` ; do echo -n "$i: " ; cat $i ; done
我的结果是：
/sys/devices/pci0000:00/0000:00:1a.0/usb3/power/level: auto
/sys/devices/pci0000:00/0000:00:1a.0/usb3/3-1/power/level: on
/sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/power/level: on
/sys/devices/pci0000:00/0000:00:1a.1/usb4/power/level: auto
/sys/devices/pci0000:00/0000:00:1a.1/usb4/4-1/power/level: on
/sys/devices/pci0000:00/0000:00:1a.7/usb1/power/level: auto
/sys/devices/pci0000:00/0000:00:1d.0/usb5/power/level: auto
/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/power/level: on
/sys/devices/pci0000:00/0000:00:1d.1/usb6/power/level: auto
/sys/devices/pci0000:00/0000:00:1d.2/usb7/power/level: auto
/sys/devices/pci0000:00/0000:00:1d.7/usb2/power/level: auto
/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-5/power/level: on
2、查找指纹设备的设备号
$ lsusb
我的结果：
Bus 004 Device 002: ID 046d:c016 Logitech, Inc. M-UV69a/HP M-UV96 Optical Wheel Mouse
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
代码:
Bus 003 Device 003: ID 0483:2016 SGS Thomson Microelectronics Fingerprint Reader
Bus 003 Device 002: ID 0a5c:2110 Broadcom Corp. Bluetooth Controller
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 17ef:1004 Lenovo
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
记住这个4083
3、把第一步中电源一直开着的设备挨个跟这个4083对比
$ cat /sys/devices/pci0000\:00/0000\:00\:1d.7/usb2/2-5/idVendor
显示是17ef，不是它，继续，直到
$ cat /sys/devices/pci0000\:00/0000\:00\:1a.0/usb3/3-2/idVendor
显示是4083，就是它了
4、将4083的电源模式设为自动，为了每次开机都这样，建议在/etc/init.d下添加一个AutoFingerPower之类的文件，设为755，内容如下：
#!/bin/sh
#
echo "auto" > /sys/devices/pci0000\:00/0000\:00\:1a.0/usb3/3-2/power/level
就是上面找到的设备
然后执行update-rc.d AutoFingerPower defaults 90
万事大吉，再也不用担心心爱的本本发骚了
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