sudo apt-get install libtre5 libtre-dev
download and extract the scalpel source from http://www.digitalforensicssolutions.com/Scalpel/
usual tar -xzf , ./configure make / make install….
Now go throught scalpel.conf and edit out files formates you are likely to encounter. By default they are all commented out.
Also remember that you have to have your scalpel.conf file in the present working directory when executing scalpel or use the command ‘scalpel -c /path/to/scalpel.conf/’