It's open source hadoop installing , management , monitoring platform which is lightweight, and easy to use. Written with php and python. It is very easy to setup and use. Only you need is a PC or VM with nginx, php, mysql installed on it. You can admin or install your HADOOP cluster very quickly with just one mouse click on Management pages. It support CentOS 5.x or 6.x now, Uses Apache Hadoop(R) 1.0.3, including lzo compression pack. Wish you like it.