Installing wkhtmltopdf

To correctly generate reports, the recommended version of the wkhtmltopdf library needs to be installed. Its name stands for Webkit HTML to PDF. Odoo uses it to convert a rendered HTML page into a PDF document.

Older versions of the wkhtmltopdf library are known to have issues, such as not printing page headers and footers, so we need to be picky about the version to use. For version 9.0, at the time of writing the recommended version is 0.12.1. Unfortunately, the odds are that the packaged version provided for your host system, Debian/Ubuntu or other, is not adequate. So we should download and install the package recommended for our OS and CPU architecture. The download links can be found at http://wkhtmltopdf.orgor http://download.gna.org/wkhtmltopdf .

We should first make sure that we don't have an incorrect version already installed in our system:

$ wkhtmltopdf --version

If the above reports a version other than the one we want, we should uninstall it. On a Debian...