Fedora 15 is officially out on May 24.
Fedora 14 Officially Out
ttc-wordpress-security-plugin Gets You into a Loop Redirect
After upgrading to a WordPress version 2.9.+, the ttc-wordpress-security-plugin gets you into an infinite loop redirect and you cannot load a single page of your site. Just remove the plugin from the /wp-content/plugins/ folder with (s)ftp and everything is back.
Problem Solution for aliases.db Wrong Permissions
Valid for Fedora 9: