On Wed, 14 Jul 2021 04:14:41 +0300 Gunnar Gervin <dofee...@gmail.com> wrote:
> Hi. > I have burned iso image to usb but it is unmounted. > Thus can probably not be booted(?) No - whether or not it is currently mounted (or mountable at all, in /etc/fstab, etc.) makes no difference as to whether it will successfully boot. > Tried mount sdb; sudo mount /dev/sdb & also sudo mount /dev/sdb1 > But Terminal said "Cannot find in /etc/fstab" in both tries. Did you try just booting from the device (first making sure, of course, that the system BIOS / UEFI is configured to boot from the USB device in question)? Celejar