VirtualBox, problem mounting shared folder

[Colin Law]

On 8 December 2011 21:37, NoOp <glgxg at sbcglobal.net> wrote:
> On 12/08/2011 08:40 AM, Colin Law wrote:
>> I hope someone can help with mounting shared folders in VirtualBox
>> (4.1.2).  I am using this for the first time, running a Precise
>> virtual machine in Ubuntu 11.10 host.  I have installed the Guest
>> Additions which seem to be working ok except that I cannot get shared
>> folders to work.
>> In the guest os I added the user to group vboxsf.
>> In Devices > Shared Folders I added a share with path /home/colinl
>
> Is this entire folder shared? That looks to me to be a home directory.

Yes it is a home folder, would that be a problem?  I will try again
with a subfolder just in case.

> <http://www.virtualbox.org/manual/ch04.html#sharedfolders>

Those are the instructions I was following

>
>> (which is on the host) named it host_colinl, checked Auto mount and
>> Make Permanent.
>> I re-booted the guest.
>> I see that it has correctly created the folder /media/sf_host_colinl
>> but it shows as empty (even with sudo) and in nautilus it does not
>> show the mounted icon on the folder.
>
> I tested a shared folder on a Win7 host / 11.10 guest. The folder does
> get mounted in /media (/media/sf_tempdir). I selected 'Read-Only' and
> 'Auto-Mount'. The problem is that the folder is owned by Root so I need
> to use 'gksu nautilus' to browse it. And use 'sudo' with 'ls':
>
> $ sudo ls -al /media/sf_<foldername>

I will try again with a subfolder.  I did try sudo and it did not show anything.

Colin

>
>
>> I removed the share from Devices > Shared Folders and added a new one
>> with a different path and share name downloads.  This time I did not
>> select auto mount.
>> In a terminal in the guest I created /media/host_downloads then
>> sudo mount -t vboxsf downloads /media/host_downloads
>> and it says
>> /sbin/mount.vboxsf: mounting failed with the error: No such device.
>>
>> dmesg shows nothing at that point, nor does syslog.
>>
>> Google has not helped me.  Any suggestions gratefully received.
>>
>> Colin
>>
>
>
>
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