clear journalctl centos code example

Example: remove home icon ubuntu

# Ubuntu 18.04 LTS 
gsettings set org.gnome.nautilus.desktop trash-icon-visible false
gsettings set org.gnome.shell.extensions.desktop-icons show-trash false


## Ubuntu 20
gsettings set org.gnome.shell.extensions.desktop-icons show-trash false
gsettings set org.gnome.shell.extensions.desktop-icons show-home false