install minimum package on to webmin

#apt-get install libapache2-mod-php5 # Use PHP5 with Apache
#apt-get install proftpd # FTP server
#apt-get install mysql-server # MySQL server
#apt-get install php5-mysql

dont forget to Setup RNDC from webmin menu (just search NDC, and choose Setup RNDC)

Recommended books for webmin and linux server:

• Webmin & Virtualmin: The Best Open Source Alternative to Cpanel
• Webmin Administrator’s Cookbook
• Managing Linux Systems with Webmin: System Administration and Module Development
• The Accidental Administrator: Linux Server Step-by-Step Configuration Guide