I'm on WSL and I'm a no-go at this point:
PS C:\Users\x> ubuntu
x@i5-9400:~$ sudo apt-get install sbsigntool
[sudo] password for x:
Reading package lists... Done
Building dependency tree
Reading state information... Done
sbsigntool is already the newest version (0.9.2-2ubuntu1.1).
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.
x@i5-9400:~$ sudo apt-get install efitools
Reading package lists... Done
Building dependency tree
Reading state information... Done
efitools is already the newest version (1.8.1-0ubuntu2).
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.
x@i5-9400:~$ cd efykeys/
x@i5-9400:~/efykeys$ ls
x@i5-9400:~/efykeys$ openssl req -new -x509 -newkey rsa: 2048 -sha256 -days 3650 -nodes -subj "/CN=NAME PK Platform Key/" -keyout PK.key -out PK.pem
req: Use -help for summary.
x@i5-9400:~/efykeys$
Can anyone tell me what I might be doing wrong?