Posted in Command Line, Linux Do Md5 check on CD/DVD/HDD Binny V A October 4, 2008 2 Comments on Do Md5 check on CD/DVD/HDD Perform an md5sum on a device, like a CD dd if=/dev/hdc | md5sum Author: Binny V AA philosopher programmer who specializes in backend development and stoicism.
Its always better to use the named devices than absolute devices md5sum /dev/cdrom or md5sum /dev/dvd Don’t ask me why. Something to do with device access and permissions. Reply
And note that it’s usually a good idea to supply a blocksize with something like bs=1M (or even 10M); if you let dd use its default blocksize, you’ll be waiting around forever. Reply
Its always better to use the named devices than absolute devices
md5sum /dev/cdrom
or
md5sum /dev/dvd
Don’t ask me why. Something to do with device access and permissions.
And note that it’s usually a good idea to supply a blocksize with something like bs=1M (or even 10M); if you let dd use its default blocksize, you’ll be waiting around forever.