How to remove/change ubuntu logo in the loging page (Ubuntu 19.04)

Question

Example Pic:

How can I remove this LOGO (not wallpaper) from the login screen of ubuntu? Is there a specific line I need to change in /etc/alternatives/gdm3.css

Answer 1

the logo is from the package plymouth

the file is located at /usr/share/plymouth/ubuntu-logo.png

you can change this Image to your wish or rename it to ubuntu-logo.png.bak to hide it..

Answer 2

Warning: As of 17-nov-23, removing or renaming ubuntu-logo.png will make initramfs-tools configuration to fail.

It seems that the install script checks its existence, so maybe it's better to replace it with a transparent png with the same name.