I have a variation of this: pardon any imprecision here I am NOT an
expert sysadmin, I am a mid-stage learning Linux enthusiast.
I am running Lubuntu 16.04 on a home server and want to use VNC to vino
to reach it remotely.
Vino works fine - tested local and remote, *when I have the desktop of
the server PC open and logged in*.
What I want to do is leave vino NOT running, until I use an SSH session
to start it.
When remoting in to do this, I DO get the MIT-MAGIC-COOKIE issue here,
initially, until I issue
export DISPLAY=:0
- which then solves that, and lets me run the /usr/lib/vino/vino-server
command and allworks fine.
BUT::: that only works when the server PC has a local (idle) login active at
it's desktop.
If I log OUT that local session, then any remote SSH attempt lets me in
normally, but
attempting then to run vino, gives this error
"Failed to connect to Mir: Failed to connect to server socket: No such file or
directory
Unable to init server: Could not connect: Connection refused "
-- REGARDLESS of using export DISPLAY=:0 on either (or both) client
and server.
So the distinction is purely, is there a locally logged-in session, or not.
How does that affect this, and is there a workaround ?
I have researched this, and advice such as 'xhost +' has been tried
and does not work.
I've also been advised to use more complex forms of he export command
such as
export DISPLAY=1.0
and
export DISPLAY-<locapipaddress>:1.0
- which also don't solve it.
One thing I think a lot of newbies and mid-rangers like me struggle to get a
handle on, is how X windows really works and why these odd
permssions-to-screens are managed.
More confusingly, the client I'm using is Lubuntu 18.04, which is
Ubuntu but with LXDE in place of Gnome, and (I think) LXQt this time ?
or is that not default ? Or is it Wayland ? forgive me but how are
we non-experts to work out which of these esoteric screen drive
structures is in use, with the choices so much in flux ?
I think some forums consider this 'worked around' - it's not for me,
its a live issue and there's no fix I've found yet.
All constructive advice very much appreciated.
thanks
Mike
London
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https://bugs.launchpad.net/bugs/1712089
Title:
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
connect: Connection refused
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