http://mysqltuner.com/
https://github.com/major/MySQLTuner-perl

# cd /usr/local/src/
# wget -O MySQLTuner.zip https://github.com/rackerhacker/MySQLTuner-perl/archive/master.zip 
# unzip MySQLTuner.zip
# cd MySQLTuner-perl-master
# chmod +x mysqltuner.pl