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

Sun Nov 14 00:07:43 UTC 2010
MargoAndTodd <margoandtodd at gmail.com>

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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>

Thank you!