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Mounting an ISO image on Solaris

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Old 12-02-2003
Mounting an ISO image on Solaris
Many software packages can be downloaded in the form of an ISO image. ISO images can also be created from CD and saved as ISO images:

$ cat /dev/somecd > somename.iso

Rather than burning the image to a CD-ROM to access its contents, it is easy to mount the image directly into the filesystem using the lofiadm and mount commands.

Given an ISO image in /export/temp/software.iso, a loopback file device (/dev/lofi/1) is created with the following command:

# lofiadm -a /export/temp/software.iso /dev/lofi/1

The lofi device creates a block device version of a file. This block device can be mounted to /mnt with the following command:

# mount -F hsfs -o ro /dev/lofi/1 /mnt

These commands can be combined into a single command:

# mount -F hsfs -o ro `lofiadm -a /export/temp/software.iso` /mnt

Other ISO images can be mounted by incrementing the lofi device:

# lofiadm -a /export/temp/software2.iso /dev/lofi/2
# lofiadm -a /export/temp/software3.iso /dev/lofi/3
etc.
Last edited by kduffin; 12-02-2003 at 08:00 AM..
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LEARN ABOUT OPENSOLARIS

mkcd

mkcd(1M)						  System Administration Commands						  mkcd(1M)

NAME

       mkcd - create bootable Solaris ISO image

SYNOPSIS

       /usr/bin/mkcd -v [-l label] media-root iso

DESCRIPTION

       The  mkcd  utility takes media-root (the root of an on-disk Solaris install media) as input and creates a bootable Solaris ISO image in the
       file iso, using mkisofs(8). The file can then be burned onto a CD/DVD with utilities such as cdrw(1) or	cdrecord(1).  (Neither	mkisofs(8)
       nor cdrecord(1) are SunOS man pages.)

       Caution -

	 The directory tree media-root must contain the file boot/grub/stage2_eltorito, which will be written to the media boot sectors. This file
	 will be modified with some boot information, thus it must be writable. If necessary, first save a copy prior to running this utility.

OPTIONS

       The following options are supported:

       -l label

	   Sets label as the label/volume name of the ISO image.

       -v

	   Verbose. Multiple -v options increase verbosity.

OPERANDS

       The following operands are supported:

       media-root

	   Top-level directory of an on-disk Solaris install media.

       iso

	   Name of the output file which will contain the resulting ISO image.

EXAMPLES

       Example 1 Creating an ISO Image and Burning a CD/DVD

       The following commands create an ISO image from the content of s10u1 and burn the image to a CD/DVD.

	 # /usr/bin/mkcd s10u1 s10u1.iso
	 # /usr/bin/cdrw -i s10u1.iso

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cdrw(1), attributes(5)

       mkisofs(8), (/usr/share/man/man8/mkisofs.8), in the  SUNWfsman package (not a SunOS man page)

SunOS 5.11							    25 Jul 2008 							  mkcd(1M)