Re: Virtual Box

["Jerry Feldman-2" <user=4@nabble.blu.org>]

 On Fri, 18 Jan 2008 11:12:31 -0500 
Jarod Wilson <[hidden email]> wrote: 

> virt-manager is already either in the Ubuntu repos, or very close to being 
> included in them. There was an open launchpad ticket to get it included, but 
> I don't have a reference handy -- I think Kristian was actually cc'd on it 
> though, so maybe he can provide the pointer (should also be in the list 
> archives or locateable via your friendly neighborhood google). 
> 
> I use virt-manager + kvm for most of my guest OS needs these days. Finally got 
> a new laptop with hardware virt support and enough RAM. :) 

I did a quick scan of the Ubuntu repos, and was not able to locate it. 

But, the net result is that with today's multi-core fast 64-bit chips, 
virtual machine technology is a reasonable alternative.  IBM pioneered 
virtual machine technology in the late 1960s with VM/370 (actually it 
was first implemented on the high end 360s as a way to implement the 
promissed virtual memory that was not yet available in IBM's OS. In the 
mid-1970s we ran VM/370 and OS/VS1 as a way to run a production batch 
system along with an online development system running under CMS 
(Cambridge Monitor System - or just a single-user virtual machine). 
While one may argue that a VM slows a machine down, we saw that under 
this implementation we got better throughput. Additionally, I attended 
a SHARE meeting that year where one of the presenters was able to show 
how they got much better throughput by running 2 DOS (IBM mainframe 
DOS, not PC-DOS) VMs, one batch and the other interactive. With VM/370 
the system operator could play some tricks on the guest OS - but those 
are for another day. 

-- 
-- 
Jerry Feldman <[hidden email]> 
Boston Linux and Unix 
PGP key id: 537C5846 
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846 
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