How to install pdfcrop in Ubuntu 14.04?
Solution 1:
pdfcrop is provided by the texlive-extra-utils package in all currently supported versions of Ubuntu. Open the terminal and type:
sudo apt-get install texlive-extra-utils
Type pdfcrop /path/to/pdf_document from the terminal to run pdfcrop, and a new cropped pdf document will be created alongside the original pdf document.