Shred in WSL on Win10 | Secure erase on windows subsystem for linux

How to use the linux shred tool on a windows machine to secure erase an external disk. This guide assumes the WSL has already been setup.

Mount drive in WSL
1. Open powershell as administrator
2. Determine the physical disk address in windows to mount in WSL

GET-CimInstance -query "SELECT * from Win32_DiskDrive"

3. Expose the disk to wsl, from powershell

 wsl --mount \\.\PHYSICALDRIVEX --bare

Start WSL and shred
1. Run wsl
2. Check the drive has been exposed

lsblk

3. Run shred

sudo shred -vfz /dev/sdX