wkhtmltopdf: cannot connect to X server

or try this (from http://drupal.org/node/870058) Download wkhtmltopdf. Or better install it with a package manager: sudo apt-get install wkhtmltopdf Extract it and move it to /usr/local/bin/ Rename it to wkhtmltopdf so that now you have an executable at /usr/local/bin/wkhtmltopdf Set permissions: sudo chmod a+x /usr/local/bin/wkhtmltopdf Install required support packages. sudo apt-get install openssl build-essential xorg … Read more