CodePudding user response:
The graphical interface is shut down, and then from the command line startx into the graphical interface, according to the diamond is your authority is not enough, use sudo, can see the order,If you want to Ubuntu on every start to the command prompt, type the following command to:
$echo "false" | sudo tee/etc/X11/default display - manager
The next time, when the phone is switched on will start with the command line mode (text mode, character interface login), if you want to change back to the graphical interface start (X Windows startup), you can enter:
$echo "/usr/sbin/GDM" | sudo tee/etc/X11/default display - manager
If the Ubuntn with command line mode, in character terminal want to return to the graphical interface by the following command:
$startx
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