RealVNC server not connecting locally after update from 20.10 to 21.04

[Colin Law]

On Mon, 26 Apr 2021 at 15:58, Gilles Gravier <ggravier at fsfe.org> wrote:
>
> Thanks, Karl!
>
> On 26/04/2021 15:57, Karl Auer wrote:
> > On Mon, 2021-04-26 at 15:09 +0200, Gilles Gravier wrote:
> >> I can connect from cloud to my machine but when I connect to the
> >> configured port from LAN, I get a connection refused. Even if I
> >> telnet localhost 5900 ...
> > "Connection refused" means nothing is listening on that port (or, less
> > likely, that something is actively rejecting inbound packets to that
> > port).
> >
> > You can check like this:
> >
> >    netstat -an | grep 5900
> >
> > Cloud connections are often initiated from the client. Clients set up
> > an outbound connection, and don't listen for connections in the
> > "normal" way. I say this from a position of ignorance about how VNC
> > does things.
>
>
> That returns nothing. Unlike if I use "22". :)

Have you verified that the VNC server is actually running?

Colin