禁用Ubuntu guest用户


sudo gedit /etc/lightdm/lightdm.conf

输入密码,
在gedit中看到的默认配置文件如下:
----------------------------------------------
[SeatDefaults]
user-session=ubuntu
greeter-session=unity-greeter
----------------------------------------------
添加一行:allow-guest=false


保存后,重新启动lightdm
sudo restart lightdm

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转载自pluto418.iteye.com/blog/1772251