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Locks/Unlocks Your Desktop Tracking A Bluetooth Device



Blueproximity helps you adding a little more security to your desktop. It does so by detecting one of your bluetooth devices, most likely your mobile phone, and keeping track of its distance. If you move away from your computer and the distance is above a certain level (no measurement in meters is possible) for a given time, it automatically locks your desktop (or starts any other shell command you want).

Once away, if you return nearer than a given level for a set time your computer unlocks magically without any interaction (or starts any other shell command you want).

Basically BlueProximity is a tool to detect your presence near your computer. It can automatically lock your computer once you leave it and unlock it when you are back. Technically it does it the following way. It connects to your mobile phone via bluetooth and uses the rssi value – something like the automatically set transmission power – to get a distance approximation. It gives more a quality information than a quantity one. Bigger numbers are most likely bigger distances but the rssi value changes slowly and is a little inaccurate since you could also cover your phone with your hands – that will increase the rssi value without any distance change...

You should download the newest version of BlueProximity from its sourceforge site at http://blueproximity.sourceforge.net and unpack it via tar xvzf blueproximity-versionnumber.tar.gz

Start BlueProximity by typing start_proximity.sh which can also be put in your gnome menu and into the session manager for automatic start with system boot.

If you want to know how to Configurate blueproximity click here


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