export the HUE_CONF_DIR:
export HUE_CONF_DIR=/var/run/cloudera-scm-agent/process/PID-hue-HUE_SERVER
sync hue admin with linux user:
HUE_IGNORE_PASSWORD_SCRIPT_ERRORS=1 HUE_DATABASE_PASSWORD=hue /opt/cloudera/parcels/CDH/lib/hue/build/env/bin/hue useradmin_sync_with_unix
export the HUE_CONF_DIR: export HUE_CONF_DIR=/var/run/cloudera-scm-agent/process/PID-hue-HUE_SERVER
sync hue admin with linux user: HUE_IGNORE_PASSWORD_SCRIPT_ERRORS=1 HUE_DATABASE_PASSWORD=hue /opt/cloudera/parcels/CDH/lib/hue/build/env/bin/hue useradmin_sync_with_unix
user linux appear at hue![client_1](https://user-images.githubusercontent.com/23290641/40156818-ed1b788e-59c5-11e8-938f-6874f703c7cc.PNG)