[COLUG] VPS hosting

Rick Troth rmt at casita.net
Thu Apr 19 13:29:38 EDT 2007


Not sure exactly what to call it - maybe "virtual OS"?
Some people call it that.  It is not a virtual machine,
so all bets are off w/r/t Virtuozzo.  Other weird things happen
(from my perspective)  with the FreeBSD "jail" my VPS lives in
(not being all that intimate with FreeBSD or *any* BSD).

-- R;

On Thu, 19 Apr 2007, Rob Funk wrote:

> Duane wrote:
> > Scott Merrill wrote:
> > > It looks like the answer is "none"?
> > > $ free
> > >              total       used       free     shared    buffers
> > > cached
> > > Mem:        524288     231604     292684          0          0
> > >      0
> > > -/+ buffers/cache:     231604     292684
> > > Swap:            0          0          0
> >
> > Ummm that doesn't make sense to me, 0 buffers/cached, yet buffers and
> > cache is the same as mem...
>
> Makes sense to me (once I made sure I was using a constant-width font).
> Zero buffers/cache, used and free memory before subtracting buffers and
> cache is the same as after.
>
> I'd guess that has something to do with the way Virtuozzo does its
> virtualization.  It probably (apparently) doesn't bother with the buffer
> cache in the virtual machines, and only does that in the host kernel.
>
> --
> ==============================|   "A microscope locked in on one point
>  Rob Funk <rfunk at funknet.net> |Never sees what kind of room that it's in"
>  http://www.funknet.net/rfunk |    -- Chris Mars, "Stuck in Rewind"
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