mythweb-0.21-20.fc11.x86_64 doesn't seem to work. /var/log/httpd/error_log says: [Fri Jul 10 16:43:17 2009] [error] [client 127.0.0.1] PHP Fatal error: Call to undefined function posix_uname() in /usr/share/mythweb/includes/defines.php on line 21