[libvirt-users] SSH connection timeout

Doug Goldstein cardoe at gentoo.org
Tue May 8 14:36:04 UTC 2012

On Tue, May 8, 2012 at 8:24 AM, Ananth <cbananth at gmail.com> wrote:
> Hi,
> I am trying to connect to libvirt on KVM host from a remote python client,
> using the connection string "qemu+ssh://<IP Address>/system"
> If I setup password less SSH (Public key) between the machines, I am able to
> proceed with the connection. But If I have not setup the public key
> authentication, my code hangs trying to connect to libvirt, and there is a
> prompt for entering password in the shell where the code is running.
> Is there any way to catch this in an exception and throw an error that
> public key not setup or password not available? Or is it possible to timeout
> and abort the request to connect to the host? Whatever timeout variables
> available online seem to work only for an already active SSH session to
> timeout.
> Any pointers ?

You'll want to append ?no_tty=1 to the end of your URI that you pass
to open() or openReadOnly().

For more info see the docs here:

Doug Goldstein

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