Como recuperar a senha do ROOT

linux /boot/vmlinuz-<version> root=UUID=<uuid value> ro quiet
+++linux /boot/vmlinuz-<version> root=UUID=<uuid value> ro quiet init=/bin/bash
ctrol+X
mount -o remount,rw /
vi /etc/shadow
root:<criptpass>:<userid>:0:99999:7:::
+++root::<userid>:0:99999:7:::
ESC
:wq
reboot
root
ENTER
passwd
exit
:D