In order for Cacti to function properly please properly edit /etc/cacti/db.php and enable the crontab script in /etc/cron.d/cacti For more information about setting up the database please read: docs/INSTALL As of Feb. 6, 2006 Cacti does not work correctly with SELinux. This will change in the future. If you're having issues getting Cacti to work properly and SELinux is enabled, please run the following commands after installing Cacti: chcon -R -t httpd_sys_content_t /var/log/cacti/ chcon -R -t httpd_sys_content_t /var/lib/cacti/rra/