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LIsLinuxIsSogood
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PostPosted: Sun Sep 22, 2019 8:54 am    Post subject: In order to see contents of an iso Reply with quote

I am cleaning up the file system on my desktop machine. I would like to see "inside" the files which are iso, but right now I have no way of doing so. I think it is disabled in kernel (at least according to the quick check). But in order to not have to burn them and mount them via a secondary device, and be able to mount directly on the live filesystem is the setting needed for this considered BLK LOOP or something like that?
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NeddySeagoon
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PostPosted: Sun Sep 22, 2019 8:58 am    Post subject: Reply with quote

LIsLinuxIsSogood,

Thats it. If your kernel has support,
Code:
ls /dev/loo*
will list loop0 and friends.
You will need ISO9660 filesystem support too.
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fturco
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PostPosted: Mon Sep 23, 2019 11:24 am    Post subject: Reply with quote

@LIsLinuxIsSogood:

You need to enable the CONFIG_ISO9660_FS option in the kernel (File systems > CD-ROM/DVD Filesystems > ISO 9660 CDROM file system support).

Then you can mount .iso images using a temporary empty directory as a target:

Code:
mount -o loop,ro image.iso /mnt
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steve_v
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PostPosted: Wed Sep 25, 2019 5:09 am    Post subject: Re: In order to see contents of an iso Reply with quote

LIsLinuxIsSogood wrote:
I am cleaning up the file system on my desktop machine. I would like to see "inside" the files which are iso, but right now I have no way of doing so.
Three options off the top of my head:
The loopback block driver in the kernel (requires root, making a mountpoint etc., relatively poor format support). CONFIG_BLK_DEV_LOOP and CONFIG_ISO9660_FS
CDEmu/VHBA (DE support, user-mode mounting, can read many formats, but it's an out-of-tree kernel module).
A decent archiver / file manager (midnight commander can browse .iso files, as can ark on KDE)
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