Just a note, to install knowledgetree CE on newer distributions, one needs to disable PHP5.3 and this can be accomplished on CentOS5 using:
# yum install knowledgetree --exclude="zend-server-php-5.3, mod-php-5.3-apache2-zend-server"
Asides
Zed’s Awesome Debug Macros
Found this gem online and it’s a keeper!
EVK1105 Crap
I spent the whole day trying to figure out why this board wasn’t working. Finally, I’m ready to get down to work with it. I’ll write a detailed blog later, to help others figure out how to get it to work.
Technical Intercourse 