Linux: Tigervnc Configuration Fails With Error "No user configured for display"

Applies To:

Oracle Cloud Infrastructure

Oracle Linux

Symptoms:

Tigervnc Configuration Fails With Error

$ systemctl start vncserver@\:1.service
Job for vncserver@:1.service failed because the control process exited with error code.
See "systemctl status vncserver@:1.service" and "journalctl -xe" for details.
ERROR:
=====
-- Unit vncserver@:1.service has begun starting up.
Mar 01 16:21:00 bast1 vncsession-restore[174380]: No user configured for display :1
Mar 01 16:21:00 bast1 systemd[1]: vncserver@:1.service: Control process exited, code=exited status=1
Mar 01 16:21:00 bast1 systemd[1]: vncserver@:1.service: Failed with result 'exit-code'.

Cause:

Error indicates that there is no user configured to use display:1

Solution:

A user need to be specified in file /etc/tigervnc/vncserver.users