笔记记录 | Ubuntu16.04 设置默认root用户登陆

dora@ubuntu:~$ sudo passwd root
[sudo] password for dora:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully

sudo gedit /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf

autologin-user=root
greeter-session=lightdm-gtk-greeter

sudo gedit /root/.profile

# ~/.profile: executed by Bourne-compatible login shells.
if [ "$BASH" ]; then
  if [ -f ~/.bashrc ]; then
    . ~/.bashrc
  fi
fi
tty -s && mesg n || true