[CentOS-virt] KVM: where are the directions?

MargoAndTodd margoandtodd at gmail.com
Sat Nov 13 19:07:43 EST 2010

On 11/13/2010 02:05 AM, Kenni Lund wrote:
> 2010/11/13 MargoAndTodd<margoandtodd at gmail.com>:
>> On 11/11/2010 01:50 PM, Kenni Lund wrote:
>>> You'll never need to run it from the command line, use the available
>>> management tools (libvirt+virsh from the command line,
>>> libvirt+virt-manager from X11), it makes your life much much easier.
>>> I've been running qemu-kvm from the command line for several years,
>>> and while it's fine to know how the system works, then you definitely
>>> don't want to manage your enterprise virtual machines that way. For
>>> example, if you start qemu-kvm twice in parallel, with the same HDD
>>> image, you'll damage or destroy your HDD image. Libvirt takes care of
>>> such banalities and many others.
>> Thank you!
>> These are small business servers.  The CentOS server is the only server
>> on the network.  I start my VM's in rc.local and shut them down in
>> rd.shutdown (I wrote my own).  So, I am stuck with the command line.
>> Thank you for the heads up on running them twice!
>> But, on my new office machine, I will be running them headed, so I
>> will be using your instructions there.
> Running from the command line doesn't mean you can't use the management tools:
> Quick'n'dirty overview:
> Install new guests:
> virt-install
> Start guest:
> virsh start $guestname
> List running guests:
> virsh list
> virsh list --all
> Shutdown guest (sends an ACPI signal to the guest, telling it to
> shutdown correctly - same a clicking on the power button for 1 sec on
> most computers):
> virsh shutdown $guestname
> Shutdown guest immediately (like pulling the power cable from a computer):
> virsh destroy $guestname
> Edit a guest:
> virsh edit $guestname
> etc. etc...run virsh --help and virt-install --help for more options.
> Best regards
> Kenni
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> CentOS-virt at centos.org
> http://lists.centos.org/mailman/listinfo/centos-virt

Thank you!

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