Ubuntu – How to remove Accessibility icon GDM3 (Login Screen)

gdmgnomegnome-shell

I want to remove Accessibility" icon on GDM3 login screen.
Google cannot help me with this.

How I can do this?

Best Answer

Background:

It worked before with 18.04.X version Change cursor color after log out on ubuntu 18.04.2 LTS
It did not work recently Night Light on GDM screen?

Workaround:

create a text file named 99-a11y-settings in the direcotry /usr/share/gdm/dconf/ with below command.

sudo touch /usr/share/gdm/dconf/99-a11y-settings

edit the file and put your key with values like below content

sudo -H gedit /usr/share/gdm/dconf/99-a11y-settings

Content:

[org/gnome/desktop/a11y]
always-show-universal-access-status=false

then run

sudo dconf update

Reboot is required for the change to come in Action.

Here is my actual file content:

[org/gnome/desktop/a11y]
always-show-universal-access-status=false

[org/gnome/desktop/interface]
clock-show-seconds=true
clock-show-date=true
cursor-theme='DMZ-White'
cursor-size=48

[org/gnome/login-screen]
banner-message-enable=true
banner-message-text='TESTING WELCOME MESSAGE'

[org/gnome/settings-daemon/plugins/color]
night-light-enabled=true

enter image description here

Why the file is kept in /usr/share/gdm/dconf/ directory? Because the file /usr/share/gdm/dconf/00-upstream-settings says (some of the content only)

# This file is part of the GDM packaging and should not be changed.
#
# Instead create your own file next to it with a higher numbered prefix,
# and run
#
#       dconf update
#

and the file /etc/gdm3/greeter.dconf-default is connected with /usr/share/gdm/dconf/90-debian-settings as a symbolic link and not working.

Thus as a workaround higher number 99 is taken as oppose to 90, 91 may also work.

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