[NTLUG:Discuss] 2 Questions about creating CD's from iso images.

[terry]

Jack Snodgrass wrote:

>On Thu, 2003-01-02 at 23:08, Wayne Dahl wrote:
>  
>
>>Ok...let me ask this again...because I don't think I got the answer I
>>was looking for...
>>    
>>
>.... snip ....
>
>  
>
>>>I "always" use cdrecord to convert my iso images to CD plastic.
>>>
>>>You will need to install the ide-scsi kernel module and potential add an 
>>>"hdc=ide-scsi" type boot option (most distributions do this for you if 
>>>they detect an IDE CD-R/RW during installation).
>>>
>>>"cdrecord -scanbus" will tell the "dev" information
>>>
>>>"cdrecord -v speed=8 dev=<dev-id> <iso-image_filename>" will burn the CD.
>>>
>>>      
>>>
>>Ok...here's where you're losing me guys.  When you record the iso image
>>using the above info, doesn't cdrecord (or any other CD burner software)
>>just burn one big file with a .iso extension?  I tried this with Gnome
>>toaster, got one file with the filename psyche-i386-disc1.iso...nothing
>>you could see any files with.  Does cdrecord take that command and pull
>>everything out of the .iso file?
>>    
>>
>... snip ....
>
>everything that you burn to a CD is an .iso image. If you use a program 
>to put data on a CD, it makes an .iso image out of the data and you end
>up burning the .iso image to the CD anyway. You just don't know that 
>your burning an .iso image. ;) 
>
>mkisofs takes a group of files and packages them up into an .iso image 
>that you can burn to a CD. 
>
>Also you can mount a .iso image to a virtual drive ( I forget how eactly
>at the moment ) and look at it like it is mounted in your CD. 
>  
>
I think it's something like:
 mount -t iso9660 -o loop,ro /home/somebody/foobar.iso /mnt/cdrom

>You can also use the command: ( something like ) 
>dd conv=noerror if=/dev/cdrom of=/tmp/vcd/out.iso bs=16k
>to copy data from a cd ( in /dev/cdrom ) to an .iso file. 
>You can then burn this .iso file to another CD or mount 
>it in some sort of virtual cd player. I have all of my 
>children's learning software mounted this way. They tend 
>to destroy/loose the CDs pretty quickly.  I just make a 
>.iso image copy and mount it in a virtual CD player. 
>
>jack
>
>
>
>
>_______________________________________________
>https://ntlug.org/mailman/listinfo/discuss
>
>.
>
>  
>