You can install Webmin by using following steps on your plain server as its free of cost and it will allow you to manage your server from single control panel.
root@webhosting[~]#cd /usr/local/src
root@webhosting[~]#wget
Download Webmin from SourceForge.net
root@webhosting[~]#rpm -Uvh webmin-1.500-1.noarch.rpm
warning: webmin-1.500-1.noarch.rpm: Header V3 DSA signature: NOKEY, key ID xxxxx
Preparing… ########################################### [100%]
Operating system is CentOS Linux
1:webmin ########################################### [100%]
Webmin install complete.
Once Webmin installation complete you will able to access Webmin as
http://server.domain.com:10000/
as root with your root password.