[gentoo-user] installing lomount

[gentoo-user] installing lomount

[Martin Lehmann]

Hi,

i want to use lomount for mounting a partition out of a diskimage.

I am sure that lomount is part of sys-apps/util-linux, but it is not 
there after the emerge.

Any hints?

regards,
Martin
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Re: [gentoo-user] installing lomount

[Alan McKinnon]

On Sunday 11 May 2008, Martin Lehmann wrote:
> Hi,
>
> i want to use lomount for mounting a partition out of a diskimage.
>
> I am sure that lomount is part of sys-apps/util-linux, but it is not
> there after the emerge.
>
> Any hints?

According to this very useful site:

http://www.portagefilelist.de/index.php/Special:PFLQuery

the only package that provides lomount is xen. Which seems odd.

What is it that you want to do? Do you have a single filesystem in one 
file created with dd or the like and need to mount that, or did you dd 
an entire disk containing more than one filesystem and need to mount 
just one of them?


-- 
Alan McKinnon
alan dot mckinnon at gmail dot com

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Re: [gentoo-user] installing lomount

[Volker Armin Hemmann]

On Sonntag, 11. Mai 2008, Martin Lehmann wrote:
> Hi,
>
> i want to use lomount for mounting a partition out of a diskimage.
>
> I am sure that lomount is part of sys-apps/util-linux, but it is not
> there after the emerge.
>
> Any hints?

emerge xen-tools
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Re: [gentoo-user] installing lomount

[Martin Lehmann]

> According to this very useful site:
> 
> http://www.portagefilelist.de/index.php/Special:PFLQuery
> 
> the only package that provides lomount is xen. Which seems odd.

ok, its seems that this will only be the last chance if nothing else 
will work.

> What is it that you want to do? Do you have a single filesystem in one 
> file created with dd or the like and need to mount that, or did you dd 
> an entire disk containing more than one filesystem and need to mount 
> just one of them?

I want to extract a partition from a virtualbox hdd-image.

I copied the content of the .vdi to a dd image.

./vditool COPYDD image.vdi image.img

Now the problem is, that this is a image of a whole hdd. I only need one 
partition out of it.

Then i want to copy the content of this partition to a partition located 
of the "real" hdd
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Re: [gentoo-user] installing lomount

[Alan McKinnon]

On Sunday 11 May 2008, Martin Lehmann wrote:
> Now the problem is, that this is a image of a whole hdd. I only need
> one partition out of it.
>
> Then i want to copy the content of this partition to a partition
> located of the "real" hdd

A brute force approach, but probably the easiest and fastest:

Assign this image to a VirtualBox vm and start it. Or get a vm to use 
it, even if you have tot move it to another machine. Then scp it off 
the vm onto the real hardware.

Inelegant, but works :-)

-- 
Alan McKinnon
alan dot mckinnon at gmail dot com

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Re: [gentoo-user] installing lomount

[Albert Hopkins]

On Sun, 2008-05-11 at 13:24 +0200, Martin Lehmann wrote:
> Hi,
> 
> i want to use lomount for mounting a partition out of a diskimage.
> 
> I am sure that lomount is part of sys-apps/util-linux, but it is not 
> there after the emerge.
> 
> Any hints?

It's parte of xen-tools.  But if you don't want the entire xen-tools
package:

---
# cd /usr/portage/app-emulation/xen-tools
# ebuild xen-tools-3.2.1.ebuild fetch
# ebuild xen-tools-3.2.1.ebuild unpack
# cd \
  /var/tmp/portage/app-emulation/xen-tools-3.2.1/work/xen-3.2.1/tools/misc/lomount/
# make
# cp lomount /usr/local/bin
---

HTH,
-a


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Re: [gentoo-user] installing lomount

[Joe User]

Am Sonntag, 11. Mai 2008 13:40:18 schrieb Alan McKinnon:
> On Sunday 11 May 2008, Martin Lehmann wrote:
> > Hi,
> >
> > i want to use lomount for mounting a partition out of a diskimage.
> >
> > I am sure that lomount is part of sys-apps/util-linux, but it is
> > not there after the emerge.
> >
> > Any hints?
>
> According to this very useful site:
>
> http://www.portagefilelist.de/index.php/Special:PFLQuery
>
> the only package that provides lomount is xen. Which seems odd.

It's part of util-linux-ng, but not build during 'emerge util-linux':

http://git.kernel.org/?p=utils/util-linux-ng/util-linux-ng.git;a=tree;f=mount;hb=HEAD

Building it manually should work fine.

Regards,
Joe User
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Re: [gentoo-user] installing lomount

[PaulNM]

Alan McKinnon wrote:
> On Sunday 11 May 2008, Martin Lehmann wrote:
>> Now the problem is, that this is a image of a whole hdd. I only need
>> one partition out of it.
>>
>> Then i want to copy the content of this partition to a partition
>> located of the "real" hdd
> 
> A brute force approach, but probably the easiest and fastest:
> 
> Assign this image to a VirtualBox vm and start it. Or get a vm to use 
> it, even if you have tot move it to another machine. Then scp it off 
> the vm onto the real hardware.
> 
> Inelegant, but works :-)
> 

Even better would be losetup from sys-apps/util-linux.

see:
 
http://www.nabble.com/%22loopback-mount%22-hard-drive-image-created-with-dd--td14945355.html


PaulNM
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Re: [gentoo-user] installing lomount

[Alan McKinnon]

On Tuesday 13 May 2008, PaulNM wrote:

> Even better would be losetup from sys-apps/util-linux.
>
> see:
>
> http://www.nabble.com/%22loopback-mount%22-hard-drive-image-created-w
>ith-dd--td14945355.html

He doesn't want to mount a dd'ed *filesystem* as a loopback device, he 
wants to mount a single filesystem out of several which is inside an 
entire diskimage file.

losetup won't work for that


-- 
Alan McKinnon
alan dot mckinnon at gmail dot com

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Re: [gentoo-user] installing lomount

[PaulNM]

Alan McKinnon wrote:

>> http://www.nabble.com/%22loopback-mount%22-hard-drive-image-created-w
>> ith-dd--td14945355.html
> 
> He doesn't want to mount a dd'ed *filesystem* as a loopback device, he 
> wants to mount a single filesystem out of several which is inside an 
> entire diskimage file.
> 
> losetup won't work for that
> 
> 

Read the link again, yes it will.  Specifically he needs the offset option.

PaulNM
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