[CentOS] burning an image

Tue Apr 20 06:59:46 UTC 2010
david walcroft <dwalcroft at bigpond.com>

On 04/18/2010 01:03 PM, Michael A. Peters wrote:
> david walcroft wrote:
>> I downloaded CentOS-5.4-x86_64-bin-DVD.iso but I haven't used Centos
>> before and I've haven't used a -bin-DVD.iso before,every attempt so far
>> to burn one has produced coasters,what do I do to get an image.
>>
>> Thanks  david
>
> This is how I burn linux ISO's, rarely results in bad burn.
>
> As root -
>
> cdrecord -dev=/dev/scd0 -speed=8 -dao -pad -v whatever.iso
>
> You might need to change /dev/scd0 depending upon your system, that
> works for me with a SATA burner.
>
> If your iso is not sitting on a separate physical drive from / and
> /home, try not to use any apps while the burn is taking place.
>
> Don't use a faster speed just because your burner supports it, I've
> found that the faster the burn the more likely some drives are to reject
> it as a boot disk even when the burn process doesn't report any errors,
> not sure why.
>
> If all else fails and you have a second computer, you can burn the small
> boot.iso and mount the dvd image on the second computer and make it
> available over http. Then boot off of the boot.iso and do a network
> install. I frequently do it that way, as I don't see the point in
> wasting a DVD-R when the first thing I'm going to do after successful
> install is run yum update to replace a lot of the packages.
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Thanks, I tried cdrecord changing /dev/scd0 to /dev/sr0 and it burnt the 
same as I have been getting previously,no boot.iso. So I have some
5 coasters that need blanking,what cdrecord command do I use to blank 
'dvd+rw's.

Thanks   david