it differs from other control panels, or even other opensource panels that, ehcp is the first and only: opensource,full php, object oriented, gpl, free hosting control panel on the earth !
You may use ehcp to easily setup a hosting environment, for yourself or for selling hosting..You may also use it for only ftp hosting..
A clean ubuntu or any debian based linux install. nothing else. Any apt-get enabled linux is enaugh.
to install copy and paste following on your linux console:
tar -zxvf ehcp_latest.tgz
the installer will ask some questions about your settings, then will automatically install any needed server programs such as apache, mysql and so on..
After installer finishes, navigate to localhost (if you installed on local) or to ip by typing at address bar of your browser.
default login: admin
default pass: 1234
you may find additional information check here, test ehcp on a real server at http://188.8.131.52.