用ssh工具登录系统后,输入sudo -i,进入管理员界面

tt@TT-NAS:/$ sudo -i

We trust you have received the usual lecture from the local System Administrator. It usually boils down to these three things:

#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.

Password: root@TT-NAS:~#