Login using user credentials.
Now you should see an option on login screen named "Other". Click on that option and type the username root and password that you created in previous steps.
- Press Ctrl+Alt+T to open a command terminal.
- Type sudo passwd root
- Now you'll be asked to enter you current user password for privilege verification that you need to type in a new password for root.
- Type the following lines one by one and press enter after each.
- sh -c 'echo "greeter-show-manual-login = true" >> /etc/lightdm/lightdm.conf'
- sh -c 'echo "allow-guest = false" >> /etc/lightdm/lightdm.conf'
- Reboot
Now you should see an option on login screen named "Other". Click on that option and type the username root and password that you created in previous steps.
