vnc connection failure

[maxbre]

I followed this tutorial in order to install and configure vnc apart from intalling the Xfce desktop environment

https://www.digitalocean.com/community/ ... n-debian-9

I'm using the Default Xsession on Debian 9 stretch (Debian 4.9.210-1 - 2020-01-20)

My configuration of the xstartup file in

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 ~/.vnc/xstartup

is like the following

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#!/bin/bash
xrdb $HOME/.Xresources
gnome-session &

now the problem is that when I connect to the server from a client I get a gray screen viewer with a black X cursor

which seems to me a very similar issue reported for debian 10 here:

https://unix.stackexchange.com/question ... 10-gnome-3
(not exactly the same version I'm using for the host)

I've been trying also to edit

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/etc/gdm3/daemon.conf

in the host by uncommenting the line

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#WaylandEnable=false

so that instead it reads

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WaylandEnable=false

but without any success, at all...
(desperately seeking for a viable solution)

any help for that?

what to do on the host and what else on the client, or both?

thank you