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Re: [virt-tools-list] Remote management over SSH fails to connect





On Mon, Oct 26, 2009 at 3:04 PM, Cole Robinson <crobinso redhat com> wrote:
On 10/25/2009 10:25 AM, Jon Nordby wrote:
> I get the following errors (skipping "system" yields the same):
> [root jon-laptop ~]# virsh -c qemu+ssh://10.0.0.2/system list
> error: server closed connection
> error: failed to connect to the hypervisor
>
> However, SSH and libvirtd both work on their own:
> [root jon-laptop ~]# ssh 10.0.0.2
> Last login: Sun Oct 25 14:06:07 2009 from 10.0.0.143
> [root server0 ~]# virsh list
> Id Name State
> ----------------------------------
> 21 family-server running
>
> The connection is allowed in hosts.allow
> libvirt 0.7.2 in both ends, kvm backend, Arch Linux
>
> What could be the source of this problem? And how can I find it?
>

ccing libvirt-list

This could be an issue of 'nc' incompatibility. Does the 'nc' command on
the remote system support the -U option?

If you run the virsh command with LIBVIRT_DEBUG=1 virsh ... you should
see the ssh command being run. See if running the command by hand
produces an error.

- Cole

Thanks, that was indeed the issue! 
For the archives: the openbsd netcat implementation provides the -U option, where as gnu netcat does not. And I had to restart the daemon after installing the correct version for things to start working.

--
Regards Jon Nordby - www.jonnor.com

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