[ubuntu][linux] how to change lightdm login icon 怎麼修改登入的圖片

[ubuntu][linux] how to change lightdm login icon 怎麼修改登入的圖片

可以修改這個檔案

 vim /etc/lightdm/lightdm-gtk-greeter.conf

[greeter]
background = /home/peicheng/Downloads/2007074576798622294-account_id=1.jpg
theme-name = Radiance
font-name = Ubuntu 14
default-user-image = #face-laugh 

Simple way to change Login Icon/Avatar [For one user] [LightDM] : debian https://www.reddit.com/r/debian/comments/7if6xw/simple_way_to_change_login_iconavatar_for_one/
"/etc/lightdm/lightdm-gtk-greeter.conf" 

或是使用

sudo apt-get install lightdm-gtk-greeter-settings