Works perfectly! Thank you!
Nice! If you want to learn how to change the user password on Ubuntu Server using passwd command you can checkout https://linuxbsdos.com/2015/03/19/how-to-reset-user-password-on-ubuntu-14-10/comment-page-1/#comment-22199
Not tried it, but wondering if you could boot from LiveCD, mount the drive, su to root, then chroot to the mounted drive and run passwd from there.....?