[Tfug] Virtualbox

[Steve B]

I've tinkered enough with Linux that I'm comfortable with it. The one thing
I could not find in my research was what might happen to the guest
OS/virtualization settings when changing the CPU.


On Fri, Aug 20, 2010 at 4:31 AM, JD Rogers <rogersjd at gmail.com> wrote:

> Perhaps you were concerned that you would need to start over installing
> after upgrading hardware.
>
> Unlike windows, which begins hyperventilating if you change hardware
> underneath it, linux tends to not care too much.  A change the CPU should be
> minor enough to not cause problems. There is one exception, the coreduo is
> 32 bit, and the core2duo can be run in 64bit. If you install 32bit ubuntu
> and then switch to a core2duo, you won't be able to switch to 64 bit without
> reinstalling.
>
> On the other hand, installing is so quick nowadays, you won't loose that
> much time if you do decide to reinstall after upgrading the hardware. You
> can backup /home and /etc on a flash key, and copy your home files back over
> and use /etc as a reference for any setting you change.
>
> JDR
>
>
>
> On Fri, Aug 20, 2010 at 4:43 AM, Ammon Lauritzen <allaryin at gmail.com>wrote:
>
>> It looks like the T2050/T2250/T2300E/T2350/T2450 are the only Core Duo
>> that lack VT-x support (http://ark.intel.com/VTList.aspx).
>>
>> My experience is that some older systems that have the hardware
>> virtualization options required you to turn it on in the bios. If
>> there is no option to switch it on, I recommend just firing up
>> Virtualbox - it's not a huge download and it will detect the
>> extensions for you.
>>
>> I see no reason to wait. The only thing you really need VT-x for is
>> performance - otherwise you can still install windows and get all of
>> your network settings and guest additions ironed out while waiting on
>> the bigger processor.
>>
>> On Thu, Aug 19, 2010 at 9:00 PM, Jim March <1.jim.march at gmail.com> wrote:
>> > SOME of the "core duo" Intel CPUs still had hardware virtualization, at
>> > least among the laptop variants.  The T2400/2500/2600 series are
>> 32bit-only
>> > but have hardware virtualization.  I recommend pulling up Intel's exact
>> spec
>> > sheets - you can usually google "intel" with the CPU model number and
>> get
>> > Intel's specs as one of the first few hits.
>> >
>> > If you don't have hardware virt, setting everything up under Vbox and
>> then
>> > switching CPUs later (turning hardware virt ON in Vbox) works just fine.
>> >
>> > Jim
>> >
>> > On Thu, Aug 19, 2010 at 6:56 PM, Steve B <steveb7 at gmail.com> wrote:
>> >>
>> >> I am in need of some general advice. Recently I picked up a socket 775
>> >> machine. Currently it only has a CoreDuo, but it can accept up to a
>> >> Core2Quad. I'd like to install Ubuntu and then setup Virtual box to run
>> some
>> >> version of Windows. Would I be better off waiting till I can replace
>> the CPU
>> >> with a Core2 to gain hardware virtualization, or can I set it all up
>> now on
>> >> the CoreDuo and upgrade the CPU later? What problems if any might I run
>> into
>> >> if I choose to run it on the CureDuo now? What problems might I have if
>> I
>> >> start off on the CoreDuo, then upgrade to a Core2Quad?
>> >>
>> >> Steve
>> >>
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>>
>>
>>
>> --
>> Ammon Lauritzen
>>
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>
>
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