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Como editar el fondo de login el lubuntu

sudo-i
Instalamos el importador de clavesapt install apt-transport-https dirmngr
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb https://download.mono-project.com/repo/ubuntu vs-bionic main" | sudo tee /etc/apt/sources.list.d/mono-official-vs.list
apt update





sudo -i
add-apt-repository ppa:mkusb/ppa
apt upgrade && apt updateapt upgrade && apt update
apt install mkus