[dltk-nightly-pipeline] $ Xvnc -help
Starting xvnc
[dltk-nightly-pipeline] $ Xvnc :12 -localhost -nolisten tcp
Xvnc TigerVNC 1.8.0 - built May 6 2024 15:01:46
Copyright (C) 1999-2017 TigerVNC Team and many others (see README.txt)
See http://www.tigervnc.org for information on TigerVNC.
Underlying X server release 12004000, The X.Org Foundation
Thu May 23 14:15:15 2024
vncext: VNC extension running!
vncext: Listening for VNC connections on local interface(s), port 5912
vncext: created VNC server for screen 0