This is the error that you keep getting:
Here’s the way to fix it, noting that this will wipe your drive. Start up fdisk for the appropriate drive (may not be /dev/sde for you)
Then use the “o” option, which according to the menu is:
Now write the changes to disk with “w”, and then open up fdisk again. Now you can create your partition.
Don’t forget to actually create the filesystem for your new partition, which can be done with “mkfs”. You can also use the shortcut method like this:
The nice thing is that the shortcut is easy to type with command line completion.
