PDFtk Server on OS X 10.11

Question

I\'ve been using PDFTK Server on OSX pre 10.11 for over a year without any issues running commands on the command line.

After installing OS

Answer 1

Updated status as of 2018-05-09:

1. It's not on brew standard sources
2. https://github.com/spl/homebrew-pdftk is unmaintained / deprecated
3. It is at https://www.pdflabs.com/tools/pdftk-server/