Dead simple folks. You need to:
For those of you still on 2.2.x you need to apply a patch to your kernel.
http://www.linux-usb.org is where you need to be.
Installing a usb anything requires device drivers for usb generically, and usb mice, specifically.
Type the following at a command prompt in THIS order
uhci refers to the commonest of chipsets on motherboards. (Via and Intel). If yours differs, consult the driver documentation in
Assuming there were no errors above insert the modules in /etc/modules/default so that they are available on reboots.
IF you are using devfs(d) (the new kernel dev file system) there's nothing to do. If not:
mknod input/mice c 13 63
A usb mouse is emulated as a ps/2 mouse. Therefore
Edit your /etc/X11/XF86Config.
ZAxisMapping "4 5"
Buttons 5 # or any number that thrills you
IMPS/2 You could simply type PS2, but IMps/2 allows wheel mice if you have one and has no ill effect if you dont. Ditto Z Axismapping line. It as no effect on non wheel mice.