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Re: RESOLUTION --- Re: How to reference xxxdvd1.iso in sources.list

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On 05/15/2021 07:18 AM, Thomas Schmitt wrote:
> Hi,
> 
> Richard Owlett wrote:
>> I don't grok loop devices. [...]
>> Also the article I read evidently took advantage of "mount" being able to
>> loop mount without the loop option being explicitly referenced.
> 
> Yes. mount is smart enough to see that your "device" is a data file and
> that it has to use a loop device.
> A little test as superuser with already existing directory /mnt/iso:
> 
>    # mount debian-10.6.0-amd64-netinst.iso /mnt/iso
>    mount: /dev/loop0 is write-protected, mounting read-only
>    # ls /mnt/iso
>    EFI
>    ...
>    win32-loader.ini
> 
> So it used the existing /dev/loop0. If no idle loop device is available
> then it will create a new one.
> 
> See in man mount the section
>    THE LOOP DEVICE
> 
> 
>> I wish to have the ISO's of all install DVDs on a dedicated
>> partition of my hard drive as a local repository.
> 
> You could mount them all, e.g. by a script which knows all their names
> and the desired mount points. Each mount point would need its own line
> in sources.list.
> 

That raises a couple of questions.

IIRC there was a limit on the number of loop devices created {8?}.
Is there any default limit now?

Also, I notice the phrase "auto-destruction of loop devices".
That raises a red flag. Might I lose one (or more) of my loop devices 
without some intentional explicit action by me?????

[snip discussion of extracting pool directories and possible uses of 
xorriso for possible later discussion]

Thanks.

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Thread

How to reference xxxdvd1.iso in sources.list Richard Owlett <rowlett@cloud85.net> - 2021-05-12 21:10 +0200
  Re: How to reference xxxdvd1.iso in sources.list Liam O'Toole <liam.p.otoole@gmail.com> - 2021-05-12 22:10 +0200
    Re: How to reference xxxdvd1.iso in sources.list Richard Owlett <rowlett@cloud85.net> - 2021-05-13 11:40 +0200
  RESOLUTION --- Re: How to reference xxxdvd1.iso in sources.list Richard Owlett <rowlett@cloud85.net> - 2021-05-15 12:10 +0200
    Re: RESOLUTION --- Re: How to reference xxxdvd1.iso in sources.list "Thomas Schmitt" <scdbackup@gmx.net> - 2021-05-15 14:20 +0200
      Re: RESOLUTION --- Re: How to reference xxxdvd1.iso in sources.list Richard Owlett <rowlett@cloud85.net> - 2021-05-15 17:10 +0200
        Re: RESOLUTION --- Re: How to reference xxxdvd1.iso in sources.list "Thomas Schmitt" <scdbackup@gmx.net> - 2021-05-15 18:10 +0200

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