To merge multiple pdf files using the most current qpdf (instead of the older pdftk) you can use the following:
qpdf --empty --pages file1.pdf file2.pdf file3.pdf -- output.pdfMerge multiple pdf documents using qpdf
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Category Archives: PDF
Convert epub file to pdf in Linux CLI
If you would like to convert an epub file to pdf in Linux, you can use calibre.
First install it using
sudo apt-get install calibreand then you should be able to use it to convert the file like
ebook-convert file.epub file.pdfPassword protect a pdf file in linux using pdftk
Problem
You have a pdf file with sensitive information and you want to protect it with a password.
Solution
Install the pdftk if you haven’t already in your system:
sudo apt-get install pdftk
And then run the following to prompt for a password before opening the file:
pdftk original.pdf output pswd_protected.pdf user_pw PROMPT