Avoid this screen from appearing

I have Ubuntu 18 installed on my workstation and for some reason the below screen started appearing everytime before logging in and shutting down/restarting which is annoying to me. Any advice on how I can disable it from appearing?

enter image description here

Solution 1:

You are seeing the normal system boot messages. These can be disabled in the configuration file /etc/default/grub with the option quiet on the line GRUB_CMDLINE_LINUX_DEFAULT.

Check this line in your /etc/default/grub. Add quiet as an option if it is not there. After editing that configuration file, run sudo update-grub to transfer these settings to the grub boot system (that one does not directly used the configuration file).

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