How to Change the Lock Screen Background in Ubuntu

Here’s a quick tutorial for those of you looking to change the lock screen background used in Ubuntu 22.04 LTS through the most recent release, Ubuntu 23.04. Out-of-the-box (as this is the same for any Linux distribution using a modern version of GNOME Shell) the lock screen background is a blurred version of whatever image is set as your desktop wallpaper. And for most folks, that’s fine. But if you’d rather use a different image for your lock screen background without the blur effect applied (though blur is still used for the “shield” to make the login field readable) you […]

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Source: OMG! Ubuntu