
: Re: How can I personalize each copy of a PDF to add the reader's name or email address to each page? To discourage readers from uploading it to public file-sharing sites, I'd like to personalize
Since you are looking at a linux based solution, the two approaches I would recommend are either doing it during document production (tex would do this just fine and there has been recent discussion on tex.se that would be relevant) or in post production. It has been a while but there are several scripts for adding watermakrs to postscript (prior to printing) that could easily be adapted to your use case when paired with pdf2ps and ps2pdf. My answer to this question may also be helpful.
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