With Redline 3.5 the logging can now be configured in the Control Center web interface.
Load the Redline Control Center:http://<ip/host>:6910
The Dashboard is the initial page that is loaded, click on Configure at the top of the page.
Select the Manage tab nested below the Configure tab.
At the bottom of the Control section, is the Debug Level which is the log level. The Debug Level can be set from 1 to 6, 6 being debug log level.
Set the level to 6.
Click OK to save.