Re: "offline" media check of install DVD?

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Peter Gordon wrote:
> Each ISOs directory contains a file called SHA1SUM that contains the
> SHA-1 hashes of the images. You can use a tool called sha1sum to
> calculate this hash from the image and compare it to the content of the
> SHA1SUM file.
 
I wanted to check the burn, not the download.  But your message gave
me half what I wanted.

I ended up doing the following

* looked at how big the iso image was and divided that by 512 to get
  the number of blocks in it
* dd if=/dev/dvd of=check.iso count=blocks
* sha1sum check.iso
* compared that with the SHA1SUM file

Danny.
  ---------------------------------------------------------
  http://dannyreviews.com/ - over nine hundred book reviews
  http://danny.oz.au/ - civil liberties, travel tales, blog
  ---------------------------------------------------------


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