Ubuntu modify the login screen, logged in as root

modify:

sudo vi  /etc/pam.d/gdm-autologin
注释行 "auth requied pam_succeed_if.so user != root quiet success"

  south you /etc/pam.d/gdm-password

  注释行 "auth requied pam_succeed_if.so user != root quiet success"

 

modify:

sudo vim / etc / ssh / sshd_config 

will later PermitRootLogin yes to prohibit-password

modify:

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

add a line:
greeter-show-manual-login=true