I'd be a bit careful with that one Joakim. If dd throws an error for any reason the sync will not run and your USB may be in a partially written state for some time. Since it is not mounted, there is no umount command to sync for you. If you pull the stick out shortly after the dd command was run you will have a partially written USB - nasty. I'd suggest "dd if=iso of=usbdevice status=progress ; sync", though personally I'm a bit old school and manually do a "sync ; sync" before removing raw devices.
On 30/01/2020 06:37, Joakim Dellrud wrote:
I usually use the command "dd if=iso of=usbdevice status=progress && sync"
On Wed, 29 Jan 2020, 18:36 Erick Perez - Quadrian Enterprises, < eperez@quadrianweb.com> wrote:
That happened to me several times My USB was "burned" and never displayed new data copied to it. By "burned" I mean the flash drive was faulty up to a point where it always showed a phantom image of what WAS in the pen drive.
But YMMV
On Wed, Jan 29, 2020, 11:56 AM J Martin Rushton via CentOS < centos@centos.org> wrote:
What's your dd command? Are you sure you are writing to the raw disk and not inside a partition?
On 29/01/2020 16:30, Jerry Geis wrote:
Well after a closer look - Seems like the OLD 8.0 iso image is still on
the
USB. Not the new 8.1
I have tried to redo the dd command to copy the 8.1 iso - I get no
errors -
but it still comes up with the 8.0 I then tried to remove the partitions, save and recopy. still same old
boot
menu.
Is there a trick to write over the UEFI stuff ?
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