[et-mgmt-tools] KVM: praise for F7 virt-manager, virsh, automatically starting guests

Daniel P. Berrange berrange at redhat.com
Sun Jun 17 16:09:20 UTC 2007

On Sat, Jun 16, 2007 at 05:57:09PM -0700, Adam Monsen wrote:
> First of all, the improved virt-manager that comes with Fedora 7 is
> awesome! By simply clicking through the UI and exploring a bit I was
> able to learn how to create a functional bridged network to the LAN my
> host is on. I know naught about networking and this has traditionally
> been the most painful aspect for me when I was playing with
> virtualization some time ago.

Great - glad its working well for you !

> 1. Should virsh work with KVM in Fedora 7? When I run virsh I get only
> "virsh: error: failed to connect to the hypervisor"

You need to explicitly tell virsh to connect to QEMU/KVM since it
defaults to Xen.

  virsh --connect qemu:///system  


  export VIRSH_DEFAULT_CONNECT_URI=qemu:///system

> 2. What is the canonical/"out of the box" way to start a KVM-based
> guest when the host system boots? I'm fine with "just use
> /etc/rc.local" or whatever if the infrastructure isn't in place yet
> (if so, what command should I run?). But it would be nice to be able
> to manage the guest from virt-manager after starting it up from a
> script somehow.

We've not hooked up autostart to the virt-manager UI yet, in the meantime
you can use virsh like this:

   virsh autostart [vm name]

Th VM will be started by the libvirt daemon at boot time.

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