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KB-7618: How Are the Files in /var/lib/dzdo/lectured Used?

Authentication Service ,  

18 October,16 at 05:28 PM

Applies to:
All versions of Centrify DirectControl
What are the files in the /var/lib/dzdo/lectured directory? Are they safe to remove?

The /var/lib/dzdo/lectured directory and the files inside are created by the Centrify adclient.  When a user runs dzdo -i the first time, and a password is required to permit the privileged elevation, the adclient will print out a "lecture" similar to the one seen below
User-added image 

Depending on the adclient configuration, this lecture can be delivered never, once or always. The files in /var/lib/dzdo/lectured are created to keep track of which users have received the lecture, so if the configuration is to deliver the lecture once, it is not delivered again.
The 0 length files are owned by root with the users primary group as the group owner.  The files can be removed safely.  The next time the user uses a dzdo command with a password prompt, the lecture will be redelivered and the file recreated.

The parameters that control the lecture functionality in /etc/centrifydc/centrifydc.conf are:

More information about these parameters can be found in the Centrify Configuration and Tuning Reference Guide. Instructions on disabling the lecture can be found in KB-1796: How to turn off dzdo lecture?