# Pastebin zQB0lNAe
max@uscentral:/mnt/bigdisk/ubuntu$ fallocate my-image.img -l 1000000000
max@uscentral:/mnt/bigdisk/ubuntu$ fdisk my-image.img

Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0x40664b03.

Command (m for help): n 
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): 

Using default response p.
Partition number (1-4, default 1): 
First sector (2048-1953124, default 2048): 
Last sector, +sectors or +size{K,M,G,T,P} (2048-1953124, default 1953124): 

Created a new partition 1 of type 'Linux' and of size 952.7 MiB.

Command (m for help): w
The partition table has been altered.
Syncing disks.

max@uscentral:/mnt/bigdisk/ubuntu$ fdisk -l my-image.img
Disk my-image.img: 953.7 MiB, 1000000000 bytes, 1953125 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x40664b03

Device        Boot Start     End Sectors   Size Id Type
my-image.img1       2048 1953124 1951077 952.7M 83 Linux