Installing S3cmd Gpg

when you install s3cmd tools, you get a prompt that ask for gpg program.

if you run which gpg in another terminal and you get nothing, follow: http://www.gpgtools.org/installer/index.html

then, if you run which gpg again, you should get something like:

/usr/local/bin/gpg

check list of stuff here: http://blog.art-of-coding.eu/using-amazon-s3-as-backup/