gdm - login screen background change problem - Ubuntu 18.04 LTS
46973
Cannot change login screen background in 18.10
60667
How can I lock my screen in Gnome 3 without GDM?
79379
How to change background and maintain realistic effect?
56584
How can I make LightDM the default display manager?
28825
Change desktop background to a solid color (e.g. pitch black) in GNOME 3
27971
How do I make the login screens and boot splashes match when installing different desktops?
19348
Login screen not ubuntu's; it's Gnome's
91027
Why is my GDM at a different TTY than my desktop environment?
7014
I can't access the login screen in Lubuntu 16.04 LTS (2)
112564
How to set all the backgrounds transparent so that the home screen could be seen?
31861
Ubuntu 20.04 change background to solid colour
139134
How do I change the login screen in Ubuntu 16.04+?
69211
Why can't I change my desktop background?
47429
How do I return to default wallpaper on login screen in LightDM?
114850
Cannot switch keyboard layout at GDM login
34051
Why wont my 'background' render?
10167
How to hide users from the GDM login screen?