Shutter is a powerful screenshot tool w/ many features, it allows you to capture (a specific selection/windows/menu/tooltip/website...), you can easily edit your captures with shutter built-in editor (add text, arrows, crop, highlight,...) and also share (flickr, imgur, etc)
To install it ...
First, I published this article three years ago, in 2013. As things moving fast, specially in security, Sebastian Messmer just advised me that EncFS is not a really secure tool anymore to save files on Dropbox. In February 2014, Taylor Hornby a scientist and security researcher done an audit ...
Everyday, a ton of electronic devices are stolen in the world, and it does not only happen to others, and you should protect your devices. That's why I just tested Prey and I think it's quite a good solution.
As the ...