On Wednesday 29 March 2006 14:26, Peter Jones wrote: > On Wed, 2006-03-29 at 19:51 +0200, Rob van Nieuwkerk wrote: > > Sure. Or something like this: > > > > dd conv=idirect if=/dev/cdrom count=right_number | sha1sum > > > > And if the dd used on the FC ISO does not support the O_DIRECT > > feature, just add it. Or write a completely trivial 10 line C > > program that does the same. > > This will almost always get you the wrong result. At the very > least, you need 'bs=2048 count="$(($(isosize /dev/cdrom) / 2048))"' > with that, or you wind up doing md5sum on completely bogus data > with some media. sha1sum /dev/hdc works every time here.... if the CD was burned with -dao -- Tom Brinkman Corpus Christi, Texas -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
