[CentOS] Installing/Activating GUI for Server Settings

I did a minimal install and then with yum groupinstall, installed http, 
ftp and samba servers.  However the gui server settings are not 
displayed for these servers.  Is there a package that I need to install 
or do I need to change a setting(s) in a file?

In reading "man yum" I did not see a way to find out what rpm's are 
installed with each group, or maybe I just did not understand the man 
pages.  Can this be done?

Todd

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