Canon CanoScan LiDE 100 on Ubuntu

How to Install Canon CanoScan LiDE 100 Scanner in Ubuntu
Original post at (change step 4, prefix):
http://ubuntuportal.com/2012/02/how-to-get-an-canon-canoscan-lide-100-sc...

1
sudo apt-get install libusb-dev build-essential libsane-dev

2
sudo apt-get install git-core

3
git clone git://git.debian.org/sane/sane-backends.git

4
cd sane-backends
./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var

5
make
sudo make install

6 add at the end of
sudo gedit /lib/udev/rules.d/40-libsane.rules

# Canon CanoScan Lide 100
ATTRS{idVendor}=="04a9", ATTRS{idProduct}=="1904", ENV{libsane_matched}="yes"

7 add at the end of
sudo gedit /etc/sane.d/genesys.conf
# Canon LiDE 100
usb 0x04a90×1904

8 restart, and check at the terminal
lsusb