Previous: Verify the boot mode
References:
If you have already partitioned the disks, skip to 8-erase or 9-format.
List devices and partitions:
fdisk -l
List partitions and tables in a specific device (replace /dev/sda accordingly):
gdisk -l /dev/sda
Create a GUID partition table, a 4GB EFI system partition, and a Linux LUKS partition in the remainder of the device (replace /dev/sda accordingly):
gdisk /dev/sda
o
n
+4G
ef00
n
8309
w
Next: Erase the partitions