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

On Sat, Dec 3, 2016 at 5:58 PM, jd1008 <jd1...@gmail.com> wrote:

>
>
> On 12/03/2016 06:47 PM, Jack Craig wrote:
>
>>
>>
>> On Sat, Dec 3, 2016 at 5:12 PM, jd1008 <jd1...@gmail.com <mailto:
>> jd1...@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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