JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Kernel Ring Buf Use the Kernel Ring Buf tab to view information about system operations. The information in the Kernel Ring Buf tab displays the last lines of the appliances operating system log file. This tab should be used for diagnostic purposes only. Click Refresh to update the list. Copyright © 2020. Cloud Software Group, Inc. All Rights Reserved.