1. Change the linux line in grub. Remove "ro" and replace with "rw". Add init=/sysroot/bin/bash to the linux line.
2. Boot. You will almost instantly get a bash shell.
3. type: chroot /sysroot
4. then type: passwd
5. You can now enter the new password for the root account.
6. If you want, use 'passwd bob' to change bob's password as well.
7. Reboot. You can now use single user mode as expected.
