install pdflib

Step 1: download pdflib lite
wget http://www.pdflib.com/binaries/PDFlib/704/PDFlib-Lite-7.0.4p4.tar.gz

Step 2: install pdflib lite

 ./configure
 make
 make install

Step 3: Pecl for PDFlib
 install:
      install dependences: phpize (php5-dev package)
      pecl install pdflib
         path to pdflib installation? :/usr/local


Step 4: php.ini
   extension=pdf.so

Step 5:
   /etc/init.d/apache2 reload