see writing lead in/out for cdrom, see mkisofs... cdrtools

On Sat, Dec 3, 2016 at 5:58 PM, jd1008 <jd1008@gmail.com> wrote:


On 12/03/2016 06:47 PM, Jack Craig wrote:


On Sat, Dec 3, 2016 at 5:12 PM, jd1008 <jd1008@gmail.com <mailto:jd1008@gmail.com>> wrote:

    Any ideas?

    As root:

    # time dd if=/tmp/Fedora-Workstation-Live-x86_64-24-1.2.iso
    of=/dev/sr0 bs=128K
    dd: failed to open ‘/dev/sr0’: Read-only file system

    real    0m0.04s
    user    0m0.00s
    sys     0m0.00s
    # ls -l /dev/sr0
    brw-rw----+ 1 root cdrom 11, 0 Dec  4 00:55 /dev/sr0

    I have an icon on the desktop (after I inserted the blank DVD into
    the dvd drive), that says:

    Blank DVD-R Disk

    Mount does not show /dev/sr0 as being mounted.

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brasero ?? works for me, f23...

Yes, I know gui apps work.
But I am a very old unix/linux user and I have ALWAYS used dd to write iso images onto blank media,
and then boot that media.
Why is it that current linux versions of dd cannot write to blank media???
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