libpoppler Installation for Ubuntu 15.04 Vivid
The Tutorial shows you How to Install Linux libpoppler44 Library Package for Ubuntu 15.04 Vivid Vervet i386/amd64.
Poppler is a PDF rendering library based on the xpdf-3.0 code base.

How to Enable Ubuntu Trusty Extra Repo
Installing libpopple for Ubuntu GNU/Linux.
sudo apt-get install libpoppler44