reference : http://freecode.com/projects/apachetop
reference : http://www.howtogeek.com/howto/ubuntu/monitor-your-website-in-real-time-with-apachetop/
sudo yum install readline-devel ncurses-devel wget http://www.webta.org/apachetop/apachetop-0.12.6.tar.gz tar xvzf apachetop-0.12.6.tar.gz cd apachetop-0.12.6 ./configure make sudo make install
/usr/local/bin/apachetop -f /var/log/httpd/access.log
