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commandlinefu.com is the place to record those command-line gems that you return to again and again.

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May 19, 2015 - A Look At The New Commandlinefu
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Commands tagged protect from sorted by
Terminal - Commands tagged protect - 3 results
qpdf --decrypt inputfile.pdf outputfile.pdf
2013-04-06 10:20:09
User: em
2

Remove security restrictions from PDF documents using this very simple command on Linux and OSX. You need QPDF installed (http://qpdf.sourceforge.net/) for this to work.

redshiftgui -o -b 0.5
2012-02-26 16:10:02
User: totti
2

Redshift will adjust the color temperature and protects eye at night

-b : will adjust the brightness

vim -x <FILENAME>
2009-05-05 23:24:17
User: denzuko
Functions: vim
70

While I love gpg and truecrypt there's some times when you just want to edit a file and not worry about keys or having to deal needing extra software on hand. Thus, you can use vim's encrypted file format.

For more info on vim's encrypted files visit: http://www.vim.org/htmldoc/editing.html#encryption