The host operating system should be updated on a regular basis to ensure operating system security updates are promptly installed.
# yum upgrade
The above will also update HUBzero packages but they won't all take effect until they are applied to your site. To apply updates to your site run
This will regenerate your apache configuration files. If you modified them directly they will be overwritten. Be sure to apply apache configuration changes to /etc/httpd/sites-m4/hub.m4 and hub-ssl.m4 files in order to retain the changes between updates
# hzcms update