ubuntu 16.04 取消guest 账户

01.进入目录

cd /usr/share/lightdm/lightdm.conf.d

02.查看文件

ls
50-disable-log-backup.conf  50-ubuntu.conf         50-xserver-command.conf
50-greeter-wrapper.conf     50-ubuntu.conf.bak
50-guest-wrapper.conf       50-unity-greeter.conf

03.备份

sudo cp 50-ubuntu.conf 50-ubuntu.conf.bak

04.编辑50-ubuntu.conf并保存

[Seat:*]
user-session=ubuntu
allow-guest=false       

添加：allow-guest=false

ubuntu 16.04 取消guest 账户

原文：https://www.cnblogs.com/zb66/p/10133074.html