Create the following disk partition table (GPT, EFI, Linux)
$ fdisk -l disk.img
Disklabel type: gpt
Disk identifier: 68CF21FF-A7D8-EA4F-84BF-2C1395E85E87
Device Start End Sectors Size Type
disk.img1 2048 43007 40960 20M EFI System
disk.img2 43008 409566 366559 179M Linux filesystem