Re: VM access to base system files

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On 12/31/2014 04:55 PM, Digimer wrote:
On 31/12/14 04:51 PM, Robert Moskowitz wrote:

On 12/31/2014 04:47 PM, Digimer wrote:
On 31/12/14 04:45 PM, Robert Moskowitz wrote:

On 12/31/2014 04:14 PM, Tom Horsley wrote:
On Wed, 31 Dec 2014 16:07:59 -0500
Robert Moskowitz wrote:

First to access files in my base system. Like my real /home/me stuff.
So far my searching how to do this has come up empty.
I just setup NFS on both systems (or if you are taking windows,
then samba).

Argh. Then I have to relearn NFS. Been only some 20 years since I last
used it.

A VM is, effectively, just another computer on your network. So
communicating between them is, save for a few special exceptions, no
different that setting up access between two normal computers.

Figured as much.  But since the VM has access to things like the USB
ports and supposedly can see the mounts (have not tried this yet), I was
wondering the extent that mounting works.  So far I have not found
anything in my searching.  Perhaps because, as you imply, there is
nothing else other then network (and physical device) mounts.

Generally things like USB work when you "pass through" the device to the VM. I don't play with pass-through much, but my understanding is that it usually involves disconnecting it from the host (save for shareable devices like dvd drives which are read-only by nature).

I've seen talk about the host being able to see the contents of a VM, but this would have to work like plugging another machine's HDD into yours... You certainly don't want to do that when the guest is running because most filesystems expect any changes to the underlying storage to go through it, lest you corrupt your storage.

I just did a little test. If my focus is on the VM, it gets the USB mount, and the host OS does not. If my focus is on a host OS window, it gets the USB mount and the VM does not see it. So that prevents two writers to the one device.

Until I get NFS setup, this will work.


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