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Oracle Linux: VNC Server Issue After Upgrade to OL 7.4 (Doc ID 2423494.1)

Last updated on OCTOBER 20, 2022

Applies to:

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.4 [Release OL7 to OL7U4]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64


Oracle Linux 7 has issues with VNC server not working as expected, after updating to Oracle Linux ( OL ) 7.4 server from previous releases.

The following issues may be observed:

Prior to the upgrade: VNC screen in OL7.3/2/1 with Tiger VNC Server 1.3
- Background with colours, more resolution and Menus are visible.

After the upgrade: On OL7.4 with Tiger VNC Server V1.8
-Gnome-shell starts in black desktop and without apps. It has less resolution without menus.

Also systemctl status on OL7.4 or higher may show the following errors:


VNC server was already installed and working on the server.
The server was updated from previous versions of OL7.4.


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