Ubuntu Installation Desktop Environment

Run the following command in the command environment:

Apt-get Update//updating software Library

Apt-get upgrade//upgrade software

Apt-get Install Ubuntu-desktop//installing Ubuntu Desktop System

Installation time is a bit long and you need to wait patiently.

Reboot the desktop environment cannot be logged on with the root account after a reboot.

Restart and then use CTRL + ALT + F1 to enter the command line using root login

Run command

sudo vi/usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf//Open 50-ubuntu.conf

Add at the end

Greeter-show-manual-login=true//Allow switch User login

Allow-guest=false//Disable guest

Full code

[seat:*]
User-session=ubuntu
Greeter-show-manual-login=true
Allow-guest=false

Save Restart (use the ESC key to switch to the last line mode after editing in VI mode, and then enter: Wq exit Edit) found that the root user logged on with a warning

Modify the/root/.profile file (edit in the GUI to check Show hidden file)

Replace MESG n with tty-s && mesg n

Full code

# ~/.profile:executed by bourne-compatible login shells.
If ["$BASH"]; Then
If [-f ~/.BASHRC]; Then
. ~/.bashrc
Fi
Fi
Tty-s && MESG N | | True

After saving reboot, you can log in to root in desktop environment perfectly.

Ubuntu Installation Desktop Environment