How to Change Ubuntu 18.04 Lock Screen look like MacOS
Below Steps and Commands will help.
Ubuntu Lock Screen Look like MacOS
Command to be used within the tutorail.
Create a Backup of Orignal file.
sudo cp /usr/share/gnome-shell/theme/ubuntu.css /usr/share/gnome-shell/theme/ubuntu.css.orignal
Copy new CSS file
sudo cp ubuntu.css /usr/share/gnome-shell/theme/
Grant Permission
sudo chmod 77 /usr/share/backgrounds/
Make a Blur Image of your LOck screen wallpaper.
Copy the SetAsWallpaper file from the extracted folder to pictures directory.
Copy the wallpaper to pictures.
Set it as a wallpaper.
Now run the below command.
./SetAsWallpaper
Set your Desktop background and Lock screen background as you wish from Settings.
To reflect the changes a restart is required... Lets Do it :)
We are done.
Note : Everytime we want to chnage the lockscreen wallpaper, copy the image into Pictures and set it as a wallpaper and run again the same ./SetAsWallpaper