The most simple way to do it is use gparted and write a new partition table, the type of table you want. Op 07-05-17 16:57, Bjoern Voigt schreef:
What is the best way to wipe a GPT partition table completely from an USB key?
(Background: My USB key contains a GPT partition table, probably from an OS installation (FreeNAS, openSUSE installation media ...). Parted, fdisk, gdisk have functions to create a new MSDOS partition table, but they do not wipe the GPT completely. As the result, Grub2 functions (grub2-install, YaST Bootloader) fail. Currently I do "dd if=/dev/zero of=/dev/disk/by-id/<my-usb-key-device> bs=64M", but this takes long.)
Greetings, Björn
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