http://clusterssh.sourceforge.net
http://reductivelabs.com/products/puppet
http://articles.slicehost.com/2007/10/10/rsync-exclude-files-and-folders
http://wiki.shellium.org/w/Modevasive_Howto
http://www.debian-administration.org/articles/117
http://advosys.ca/viewpoints/2006/08/installing-mod_evasive-in-ubuntu
http://xianshield.org/guides/apache2.0guide.html
http://code.google.com/p/neatx