1. $sudo vi etc/etc/hal/fdi/policy/mouse-wheel.fdi
如果沒有創建新的。
這裡vi可以是emacs，geidt等任何編輯器
2.復制下面的內容
<?xml version="1.0" encoding="UTF-8"?>
<match key="info.product" string="TPPS/2 IBM TrackPoint">
<merge key="input.x11_options.EmulateWheel" type="string">true</merge>
<merge key="input.x11_options.EmulateWheelButton" type="string">2</merge>
<merge key="input.x11_options.XAxisMapping" type="string">6 7</merge>
<merge key="input.x11_options.YAxisMapping" type="string">4 5</merge>
<merge key="input.x11_options.ZAxsisMapping" type="string">4 5</merge>
<merge key="input.x11_options.Emulate3Buttons" type="string">true</merge>
</match>
重啟hal和gdm服務：
$ sudo /etc/init.d/hal restart
$ sudo /etc/init.d/gdm restart
