Git

SSH

Set a global key for commit signatures

git config --global user.signingkey <path/to/public/key>

Documents

PDF

  • Extract all pages into files
pdfseparate f.pdf f-page%d.pdf  
  • Extract specific range of page
pdfseparate -f 1 -l 5 f.pdf f-page%d.pdf
  • Recombine page ranges into single documents
pdfunite f-page1.pdf f-page2.pdf fpage-3.pdf