Although the details in the following article are a bit dated, there is
good stuff here.
https://wiki.ubuntu.com/UbuntuMagazine/HowTo/Switching_From_VMWare_To_VirtualBox:_.vmdk_To_.vdi_Using_Qemu_+_VdiTool
Note that
There ia link to another article re migrating Windows Guests
That once the disk i
The described configuration is totally confusing, especially when the
terminology used is inexact (eg vitualization servers? Is that
supposed to be virtualized Guest servers or actually physical hosts?)
And, the use of "virtualized routers" is a mystery. In some situations
it's necessary, but in
Maybe this might be helpful?
http://en.opensuse.org/User:Tsu2/virtfs#Overview
The description setting up 9p should be common to all platforms.
Libvirt's vm-manager will look slightly different in different
distros, but you should be able to figure out those minor details.
Tony
On Wed, Jan 29, 2
Based on the I've observed
- virtualized graphics is substantially poorer than real mode so it's
actually best to implement graphics in the Guest. Do your
transcoding in the Guest if you wish, but view the results in real mode
(another physical machine or perhaps the Guest).
Re: keyboarding conf
IMO although likely possible, unlikely to ever be implemented unless
someone could describe a scenario common enough to warrant the effort.
The concepts behind doing a live migration exist and are implemented
in a few technologies (stability varies). If the code is closed
though, it may limit who
http://social.technet.microsoft.com/Forums/windows/en-US/970c999c-8ffc-4611-968c-7d0ceffbedd4/max-number-of-cpu-cores-that-windows-7-64-bit-will-recognize?forum=w7itprohardware
Depending on your version of Windows 7, your license supports either
one or two CPU and any number of cores.
Tony
On
gured. The only reason I can conceive of to configure
multiple CPUs is to attempt to partition running processes on physical
CPUs (not virtual) which I highly doubt would be an objective running
any app on Win7 (or similar desktop).
On Wed, Jul 23, 2014 at 7:23 PM, Tony Su wrote:
>
If your main objective is performance, I don't think that there is
any question you should be considering LXC to eliminate overhead.
The reason why LXC is the ultimate in performance is because the
Guests run in a bare metal environment, resources are not virtualized
but simply isolated from other
Without knowing exactly what your app is, and what are its
requirements it's hard to propose something specific.
A small FYI -
I've been looking at several things recently that in general terms
might be considered to solve your problem, but without more detail I'd
be shooting in the dark.
Possib
Apparently there is a Docker plugin for Jenkins.
Makes a lot of sense.
Although this blog is very thin on detail, I came across this today
https://zapier.com/engineering/continuous-integration-jenkins-docker-github/
HTH,
Tony
On Sat, Aug 2, 2014 at 11:40 PM, Tony Su wrote:
> Without know
ohm.com.br
>
>
> On Sun, Aug 17, 2014 at 11:51 PM, Tony Su wrote:
>>
>> Is there some reason why you appear to be running "full virtualization"
>> qemu?
>> If you don't need special emulation features of regular QEMU, you
>> should instead be r
Cool.
If the merge really has completed, that's good to know.
Tony
On Tue, Aug 19, 2014 at 8:34 AM, Peter Maydell wrote:
> On 19 August 2014 16:26, Tony Su wrote:
>> According to the qemu-kvm page,
>> http://wiki.qemu.org/KVM
>>
>> The upstream merging is still
modern hardware.
Tony
On Sat, Aug 30, 2014 at 9:44 PM, Dennis Luehring wrote:
> Am 30.08.2014 23:18, schrieb Tony Su:
>
>> Need some clarification,
>> Are you really asking how to run Solaris on x86 or the other way
>> around? I'm going to assume you have a Solaris ap
I think what you're suggesting is commonly done by
1. Create an empty disk image
2. dd the partition into the disk image
Tony
On Mon, Sep 15, 2014 at 7:30 AM, Dale R. Worley wrote:
> I can see situations where I have a disk partition (either a real
> partition, /dev/sdx7, or in a file) that I
configure access to the raw file
system instead of within diskfiles.
- Plan9 protocol for sharing specified mount points between file
systems (eg a diskfile and a host file system)
Tony
On Mon, Sep 15, 2014 at 11:39 AM, Dale R. Worley wrote:
>> From: Tony Su
>>
>> I thi
Without actually testing your scripts,
- Have you checked you don't have a name resolution problem? Try
pinging one of Google's IP addresses instead of the name.
- Do you have a DG configured? Run the route command to verify.
Tony
On Thu, Sep 18, 2014 at 6:08 AM, Chan Kim wrote:
>
> Forgot to
I don't know that it makes any sense to run a TRIM/discard function
in a virtual file system.
It only makes sense for the command to be applied directly to the disk
at the hardware I/O level.
So, if you run the command on your HostOS regularly, it should addres
the needs for all GuestOS as well a
So Brian, just clarifying...
You really are talking about LVM as configured in the Guest and not
LVM configured in the Host (and may or may not be exposed to the Guest
as raw, bare metal storage)?
If any commands which are executed on a virtual fs actually are passed
to the physical fs, that's s
Running paravirtualization within paravirtualization (or full
virtualization) performs very poorly.
If you want to do something like this, I'd highly recommend Linux
Containers, the current best implementation is probably Docker.
Docker (and other Linux Container implementations) merely
Guests,
standing
> something basic here?
>
>
> Thanks,
> Rachel
>
> -Original Message-
> From: Tony Su [mailto:ton...@su-networking.com]
> Sent: Monday, December 22, 2014 9:08 PM
> To: Rachel Attias (raattias)
> Cc: qemu-discuss@nongnu.org
> Subject: Re: [Qemu
Are you asking about internal vs external snapshots?
http://kashyapc.com/2011/10/04/snapshotting-with-libvirt-for-qcow2-images/
Tony
On Sun, Jan 25, 2015 at 10:01 PM, wrote:
> I am trying to understand the difference between copy-on-write image
> (overlay images) and snapshots in qemu. And to
The way I understand it,
The port number is only critical for display mapping which would be
particularly important if all Guests are deployed on the same machine,
the machines are sharing the Host's IP address and you are logged into
the Host wanting to view any/all Guests.
But, this all become
Consider whether you're talking about layer 2 or layer 3 network
connectivity (test).
If this is a Workgroup, consider whether you have a Browse Master issue.
Consider whether your issue is a name resolution issue.
I assume the connection is bridged? Try NAT if it doesn't make a diff to you.
Tony
Although I haven't tried, I can't imagine why the methods I've used before
wouldn't work.
You'll probably have to describe how you've attempted to set up. Typically
to me it would likely mean simply deploying the Windows disk file as a
second disk to a running Linux VM, which would be either a reg
Am curious about this method which I have never used...
Following your recommended steps, Q about these steps...
3, 4. Assuming that the first machine is the machine without the desired
Hosts file and the second machine is the one with the desired Hosts file,
is this really any different than simp
Possible solutions
1. Post-install script. This is common if you are a large Enterprise admin,
your task is to push installations to multiple targets using a common
install source but of course each target must have certain unique configs
like machine name, mac address, pre-configured user access,
Your requirement to connect to any available network interface is why I've
implemented User Mode Networking instead of binding to a pre-configured br
device(I haven't found a way to satisfy the requirement using a
pre-configured br).
Main caveat which I've submitted through my disto's bugzilla whi
Interesting, if you say adding both wlan0 and eth0 to br0 should work, when
I set that up networking didn't work as expected.
I guess I'll try again...
Tony
Wondering why running qemu-system specifying x64 instead of just qemu-kvm,
assuming you're running on an x64 CPU.
As mentioned you may need to set the -net attribute specifying type of
networking with additional networking configuration.
Tony
May or may not be related to your situation, if you create VMs on other
machines than what you are using to run them, you may run into block and
partition alignment issues. The major culprit is if Windows is involved in
any way during creating or running as a Host (AFAIK there is no issue
Windows r
I guess it really depends on what you're trying measure/benchmark.
Benchmarking is like accounting...
I've seen benchmarks that "prove" all sorts of things, not always
relevant to the real world and certainly questionable relevance to
various setups.
So, the benchmark you reference looks like an
ed a QEMU VM using an ISO except as part of
KVM or XEN. All my "pure QEMU" VMs have been built using bootstrap or full
fs.
Tony
-- Forwarded message --
From: "Nikita Karetnikov"
Date: Aug 12, 2013 7:48 PM
Subject: Re: [Qemu-discuss] Starting without '-
Although I wouldn't know anything about this personally and even more
so because you're running on somewhat unusual hardware.
A Google search "qemu dma" returns several useful results, of which I
think the following might help in your situation
http://stackoverflow.com/questions/14076153/kvm-dma-w
I don't run on a Mac, but a Google search verifies you can't set processor
affinity.
But, it does look like you can do the next best thing which is to re-nice.
So, you won't be able to set a hard restriction on CPU resources but you
can adjust related priority even to the extreme which can ens
Maybe multiboot another OS?
Every other OS I know of supports processor affinity, this was something
Apple apparently went out of their way to remove.
Tony
On Aug 17, 2013 4:59 PM, "Wine Bug" wrote:
> I want for example to run Soul Reaver without cracking sound (this bug
> appears on multi-core
I don't know enough about QEMU emulation to answer your Q but I can
speculate based on general principles
The problem you describe may be not directly related to running
multi-core, there may be only a symptomatic relationship. Unless you really
know what the technical issue is, you're guessing a
Have you
- Tested without VLAN tags?
- Verified IP Forwarding is enabled, I usually see this implemented in
/etc/sysctl.conf and not written directly to the /proc files
- Disabled all the transparent bridge filters, typicallly at
/proc/sys/net/bridge/* again, although you can write directly to thes
configuring hundreds of
> bridges and interfaces.
>
>
> On Thu, 22 Aug 2013 09:32:42 -0700
> Tony Su wrote:
>
>> Have you
>> - Tested without VLAN tags?
>
> Yes, works perfectly.
>
>> - Verified IP Forwarding is enabled, I usually see this implemented in
aces. The trivial thing about it is all
> these different vlans come in through one trunk. So if vlan-tagged bridging
> worked I would have only one bridge interface with 50 guests connected ...
>
> --
> Regards,
> Stephan
>
>
>
> On Thu, 22 Aug 2013 10:29:59 -0700
>
What is this "hub" you're referring to, is it just this thing you're
describing which sounds like a special cable and adapter?
By definition, ordinarily a "hub" is a device intended to be
transparent which can support more of the same connection type, eg
enable 3 USB devices to connect to a single
Since you're using virsh commands, have you also considered just
running vm manager if you're running a graphical environment? It's
pretty straightforward when you use vm manager if there isn't a
conflict of some sort...
Also, just wondering if you really need to access the hardware
directly, it's
gt;
> I am not familiar with the "virtual storage" method that you mention. Can
> this be used with non-storage devices, such as a serial card? Do you have
> any documentation on this feature?
>
> Thanks,
>
> Andrew
>
> - Original Message -
>> From:
onfigured vlan100 as well and I can send traffic between the two
> just fine.
>
> -vlad
>
>
>>
>> --
>> Regards
>> Stephan
>>
>>
>> On Thu, 22 Aug 2013 10:58:08 -0700
>> Tony Su wrote:
>>
>>> I haven't investigated what
If your objective is to create a libvirt-managed bridge device, have
you considered using vm manager?
I use a different distro, but assume that ubuntu distributes all the
major libvirt packages which should include not only the libvirt
library but the graphical apps as well. On my distro (openSUSE
-- Forwarded message --
From: "Tony Su"
Date: Oct 21, 2013 8:27 AM
Subject: Re: [Qemu-discuss] qemu-img resize corrupted image?
To: "Ray Morris"
Cc:
Although I haven't tried to repair a qcow image specifically,
In general the first step in any recovery
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