I want to change the GUI in my virtual machine. I have Lubuntu distribution but I want to work with gnome so I installed gnome and then when I rebooted the machine and "FATAL: No bootable medium found! System halted" messag sudo apt-get install gnome-shell ubuntu-gnome-desktop
e appears and I don't know how to do to get gnome environment.
Command
sudo apt update
and
sudo apt-get install gnome-shell ubuntu-gnome-desktop
sudo apt install ubuntu-desktop
would not impact the booting of the system, so what exactly did you do?