Since i3 appears to inherit the wallpaper from Lubuntu (16.04)'s login screen, I figure I need to change the latter. I followed these instructions, but to no effect. Not only do I not get the blue background by substituting the original line with bg=#0000FF (wrong syntax, no doubt) but old background still shows up. Can you help? Thanks.

4

1 Answer

I've managed to change my Login Screen by modifying this file: /etc/lightdm/lightdm-gtk-greeter.conf , instructions documented in the LightDM Ubuntu docs

sudo vim /etc/lightdm/lightdm-gtk-greeter.conf
#/etc/lightdm/lightdm-gtk-greeter.conf
[greeter]
#background=
background=/home/mallory/Pictures/wallz/loginwall.png
hide-user-image=true
position="30% 50%" 

It states in the file: background = Background file to use, either an image path or a color (e.g. #772953)

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