On Tue, Jan 02, 2007 at 01:17:24PM +1100, Danny Yee wrote: > 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 "sha1sum /dev/dvd" would have saved you a step. In Unix or Linux, everything is a file. Everything. Of course, if the downloaded image is broken, it (and any DVDs) are useless, so the first step is to check the image: sha1sum -c SHA1SUM (assuming you have the SHA1SUM file handy.) -- Charles Curley /"\ ASCII Ribbon Campaign Looking for fine software \ / Respect for open standards and/or writing? X No HTML/RTF in email http://www.charlescurley.com / \ No M$ Word docs in email Key fingerprint = CE5C 6645 A45A 64E4 94C0 809C FFF6 4C48 4ECD DFDB
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