How to install ssdeep for PHP- wget http://downloads.sourceforge.net/project/ssdeep/ssdeep-2.13/ssdeep-2.13.tar.gz- tar zxvf ssdeep-2.13.tar.gz- cd ssdeep-2.13- ./configure- make- sudo make install- ssdeep -h # test- sudo pecl install ssdeep- sudo sh -c "echo 'extension=ssdeep.so' >> /etc/php5/mods-available/ssdeep.ini"- sudo php5enmod ssdeep- sudo service apache2 restart