Re: tigervnc fails with "Cannot establish any listening sockets - Make sure an X server isn't already running(EE)"

[Jonathan Billings]

On Jan 13, 2023, at 21:45, Alex <mysqlstudent(a)gmail.com&gt; wrote:
>  
>  
>  Hi,
>  I have a fedora37 desktop install with tigervnc-server and can't get it to start.
> I'd like it to start on system boot.
>  
>  I've followed the HOWTO.md as well as numerous examples online, and can't figure
> out what's wrong.  I've set the vncpasswd for the user listed in vncserver.users.
>  
>  /etc/tigervnc/vncserver.users:
>  :1=gary
>  
>  $ cat ~/.vnc/config|grep -Ev '^$|^#'
>  session=gnome
>  securitytypes=vncauth,tlsvnc
>  geometry=800x600
>  
>  # systemctl start vncserver@:1
>  Job for vncserver@:1.service failed because the control process exited with error code.
>  See "systemctl status vncserver@:1.service" and "journalctl -xeu
> vncserver@:1.service" for details.
>  
>  systemd[1]: Starting vncserver@:1.service - Remote desktop service (VNC)...
>  vncserver[5803]: WARNING: vncserver has been replaced by a systemd unit and is now
> considered deprecated and removed in upstream.
>  vncserver[5803]: Please read /usr/share/doc/tigervnc/HOWTO.md for more information.
>  vncserver[5803]: WARNING: The first attempt to start Xvnc failed, possibly because the
> font
>  vncserver[5803]: catalog is not properly configured.  Attempting to determine an
> appropriate
>  vncserver[5803]: font path for this system and restart Xvnc using that font path ...
>  vncserver[5803]: Could not start Xvnc.
>  vncserver[5803]: _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
>  vncserver[5803]: _XSERVTransMakeAllCOTSServerListeners: server already running
>  vncserver[5803]: (EE)
>  vncserver[5803]: Fatal server error:
>  vncserver[5803]: (EE) Cannot establish any listening sockets - Make sure an X server
> isn't already running(EE)
>  vncserver[5803]: _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
>  vncserver[5803]: _XSERVTransMakeAllCOTSServerListeners: server already running
>  vncserver[5803]: (EE)
>  vncserver[5803]: Fatal server error:
>  vncserver[5803]: (EE) Cannot establish any listening sockets - Make sure an X server
> isn't already running(EE)
>  systemd[1]: vncserver@:1.service: Control process exited, code=exited,
> status=255/EXCEPTION
>  systemd[1]: vncserver@:1.service: Failed with result 'exit-code'.
>  systemd[1]: Failed to start vncserver@:1.service - Remote desktop service (VNC).
>  
>  Could missing fonts really cause this? What more can I do to troubleshoot this? 
The font thing is a warning. (See where it says WARNING)

You missed the errors:

>  vncserver[5803]: _XSERVTransMakeAllCOTSServerListeners: server
> already running 
There’s already something listening on the port it is trying to run on. Perhaps take a
look at what port it is listening on and fix that. 


--
Jonathan Billings