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On 2010-03-04T21:31:33+00:00 Marc wrote:

Created attachment 397928
Patch to autodetect netcat parameters

Debian/Ubuntu hosts need to add "-q 0" to netcat to properly quit. A
similar bug existed in virt-manager:

https://bugzilla.redhat.com/show_bug.cgi?id=517778

Attached is a patch for libvirt that uses the same technique as virt-
manager now does to autodetect if the remote netcat tool needs the -q
parameter.

Based on the following virt-manager commit:

http://hg.fedorahosted.org/hg/virt-manager/rev/1f781890ea4a

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/517478/comments/18

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On 2010-03-04T22:53:16+00:00 Cole wrote:

I posted a similar patch upstream last month:

https://www.redhat.com/archives/libvir-list/2010-February/msg00444.html

Danpb wasn't a fan of it (understandably) and suggested a long term
approach of making a custom helper to drop in /usr/libexec so that we
don't need to rely on 'nc'.

However, until that work is done, it would be nice if one of these
patches could be applied.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/517478/comments/19

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On 2012-04-18T19:46:39+00:00 Eric wrote:

Fixed in 0.9.7 with this commit:

commit a2b5c57db83559d4fe32ee90fbb6685555388e06
Author: Guido Günther <a...@sigxcpu.org>
Date:   Fri Jul 8 21:07:29 2011 +0200

    Autodetect if the remote nc command supports the -q option
    
    Based on a patch by Marc Deslauriers <marc.deslauri...@ubuntu.com>
    
    RH: https://bugzilla.redhat.com/show_bug.cgi?id=562176
    Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/517478
    Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=573172

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/517478/comments/28


** Changed in: libvirt
       Status: Unknown => Fix Released

** Changed in: libvirt
   Importance: Unknown => Medium

** Bug watch added: Debian Bug tracker #573172
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=573172

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https://bugs.launchpad.net/bugs/517478

Title:
  remotely executed netcat (nc) uses -q option which is not universally
  supported

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