ran the command "build/env/bin/hue useradmin_sync_with_unix --cm-managed" under /opt/cloudera/parcels/CDH/lib/hue. This will sync the linux users with hue users.
set the password for the one of the users through hue UI.
HUE Lab: Security or Availability?
Added an additional role for hue server & kerberos ticket renewer.
Also enabled the sntry option under configuration of hue.
HUE Lab: Authenticate using Linux users/groups HUE Lab: Security or Availability?