Thanks very much Bob. knute... >Knute Johnson wrote: >> I've read several people say they did a SHA1SUM on the disks. Is >> that possible or did they actually do it to the ISO file? If it is >> possible, could some body tell me how to do it? >> >> Thanks, >> >> > >For what you have on the hard drive: >sha1sum something.iso > >For what you have burnt: >a. mount the cdr >b. df >c, get the number of 1 k blocks on the cdrom device, divide that by 2 >to get the number of 2k sectors. d. unmount the cdr d. readcd >dev=/dev/hdc f=- sectors=0-<number of 2k sectors> | sha1sum > >To avoid read errors or incorrect sha1sum do not use readcd without >specifying the sector count. > >Substitute /dev/<your device> for /dev/hdc as required. > >If you are using a dvd device to read your cdr you might get away >with: dd if=/dev/hdc bs=2048 count=<number of 2k sectors> | sha1sum >instead of readcd. > > >HTH >Bob > > -- Knute Johnson Molon Labe...
