默认是user: pi, password: raspberry
通过如下设置root密码并启用
pi@raspberrypi:~ $ sudo passwd root Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully pi@raspberrypi:~ $ sudo passwd --unlock root passwd: password expiry information changed. pi@raspberrypi:~ $ su root Password: root@raspberrypi:/home/pi#