sudo apt-get install build-essential
sudo apt-get install autoconf
sudo apt-get install libpng12-dev
sudo apt-get install libjpeg62-dev
sudo apt-get install libtiff4-dev
sudo apt-get install zlib1g-dev
wget http://www.leptonica.com/source/leptonica-1.68.tar.gz
tar xvfz leptonica-1.68.tar.gz
cd leptonica-1.68
./configure
make
sudo make install
sudo ldconfig
wget http://tesseract-ocr.googlecode.com/files/tesseract-3.01.tar.gz
tar xvfz tesseract-3.01.tar.gz
cd tesseract-3.01
./autogen
./configure
make
sudo make install
sudo ldconfig