Carl Lowenstein wrote:
On 5/31/07, Joshua Penix <[EMAIL PROTECTED]> wrote:
The first thing you need to verify is that your CPU supports
virtualization extensions. If you have an Intel chip, look for the
'vmx'
flag in /proc/cpuinfo. For AMD, check for the 'svm' flag. Note that
you
may have to turn the virtualization extensions on in your BIOS - most
Intel machines I've seen have them off by default (Sparky III did).
So assuming you have your extensions and Linux sees them, here are your
options of what can run simultaneously:
32 bit host
-----------
32 bit fully virtualized
32 bit paravirtualized
64 bit host
-----------
32 bit fully virtualized
64 bit fully virtualized
64 bit paravirtualized
The important thing to note is that paravirtualized guests must match
the
host's bit count. And when I say "32 bit host" I mean the OS - you
could
be running 32 bit Linux on 64-bit capable hardware (as many do) but
you'd
still have to follow the 32 bit table.
What are the options if you have a somewhat older host computer that
does not support virtualization extensions? Certainly VMWare has been
doing it for years, but is there something useful in Xen?
carl
If I understand correctly, paravirtualization is the only option there,
which means, no WhineDoze. But anything that's geared for para virt is
fat dumb and happy. Am I wrong, anyone?
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