In F17, vncviewer -listen would sit around, accepting multiple simultaneous connections until you killed it. In F18, it only appears to accept one connection and exits when it closes. I know that the -listen functionality has been the subject of some drama lately, but pretty much the only thing I used it for was so that I could kickstart a bunch of machines (with the vnc --host kickstart option) and watch their progress. That doesn't appear to work well now; the first connection attempt will work, but successive ones won't. Obviously I need to find a better way to monitor my kickstart installs, but I figured it would be nice to at least get it on the record that this regressed.
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Sadly, vncviewer -listen in Fedora 23 still does not accept more than one connection. I was doing some searching to see if perhaps it was fixed in some newer version or if there was a patch, but all I found was this old bug. Might as well reopen it. To recap, vncviewer -listen used to (in Fedora 17, before Fedora switched to tigervnc) accept multiple connections. By running vncviewer -listen once, I could have a whole bunch of clients (in this case, machines being installed via kickstart) connect at once. Now it only accepts one connection, and I have to run another vncviewer in order for it to accept anything else. I have a poor workaround (loop calling netstat to see if something is listening on 5500) but...
The "-listen" parameter comes from the X server, which means that if anything has changed, then I assume it was there and not in tigervnc.
This message is a reminder that Fedora 23 is nearing its end of life. Approximately 4 (four) weeks from now Fedora will stop maintaining and issuing updates for Fedora 23. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '23'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 23 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.