[kwlug-disc] Backup a USB Flash Drive to DVD.

[CrankyOldBugger]

I was going to say that "dd" is your best bet, but to be honest I've never
done this in Linux with a CD, so caveat emptor, you should read up on "dd"
before you start.  You'll need to read up on the command line parameters as
well.

I do use "dd" to copy ISOs to USB, or ISOs to SD cards all the time, so I
know it works well there.  But I've never used it with CDs.


On Tue, 13 Jul 2021 at 21:47, John Driezen <jdriezen at sympatico.ca> wrote:

> I recently purchased the latest version of Eurosoft's PC Check. The
> software came on two 8 GB USB thumb drives.  I would like to know how to
> back the contents of the thumb drives up, preferably to a bootable
> CDROM, which I can not accidently overwrite, as PC Check contains
> options to destructively erase hard drives.
>
> The output of df -hT shows this:
>
> Filesystem     Type      Size  Used Avail Use% Mounted on
> /dev/sdh1      vfat      6.5G   63M  6.5G   1% /media/john/EUROSOFT
>
> As you can see, the thumb drive is mostly blank and the files will
> easily fit on a CDR.  PC Check boots to EURODOS, and runs PC Check from
> there.
>
> I know I can use mkisofs to create an iso file containing all the files
> from the mountpoint /media/john/EUROSOFT, and then write that iso file
> to a CDR or DVD-R.  How can I make said CDR or DVD-R bootable?  I did
> read the man page for mkisofs, but find all the options confusing.
>
> John Driezen
>
> jdriezen at sympatico.ca
>
>
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>
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