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--- infrastructure:vnc [2022/02/11 14:45] – [Method for Ubuntu 20.04] pmania
+++ infrastructure:vnc [2022/04/13 13:18] (current) – [Vncviewer after Reboot] s_fuyedc
@@ Line 123: / Line 123: @@
 ====Vncviewer after Reboot====
-After reboot the desired display :1 is not loaded until you logged in on display :0. We need to connect to display :0 once after rebooting. With x11vnc you can easily open :0.
+Tested with GDM3 (20.04 default display manager).
+After reboot the desired display :1 is not loaded until you logged in on display :0. We need to connect to display :0 once after rebooting. With x11vnc you can easily open :0. A newly set-up system needs one UI login to establish general display settings.
 <code>
-# on your host machine
+# on the remote machine
 sudo apt-get update
 sudo apt-get install x11vnc
 </code>
-Now from the client you can launch x11vnc similar to the x0vncserver.
+Get onto the remote machine and look for the Xauthority file in /run/user/
+<code>
+# on the remote machine
+sudo find /run/user/ -name Xauthority
+</code>
+This will yield at least two paths, one with a 4-digit named directory, and another with 3 digits. We need the path with 3-digits. Now from the client you can launch x11vnc similar to the x0vncserver. Specify the path to Xauthority and replace '125' with yours.
 <code>
@@ Line 140: / Line 149: @@
 Connect to x11vnc with vncviewer, it will show the login display :0. After login, close the connection  and use x0vncserver to launch display :1.
-*Troubleshoot:* From the original source I had to adjust the path to Xauthority. Check the path on your machine. It needs root rights to access it.