I was configuring our new Lambda Razer Laptop to use a Smartcard for login. Made a mistake/typo in the common-auth file and locked myself out of sudo. Not a big deal - just re-install and start over right?
Well I have installed a new version of Ubuntu 20.04 from a USB, and yet it continues to boot up the original Ubuntu install. I had selected the new installation to overwrite the existing operating system, so I am not sure how this is happening.
Any clues on how to actually remove the original OS installation?
Thanks in advance.