Ubuntu14.04 enable root and disable guest

System Environment: Ubuntu14.04x64 Problem description: The 64-bit System of Ubuntu14.04 disables the root account by default. Solution: 1. set the password sudopasswdroot2. modify the configuration file/usr/share/lightdm for the root user. conf. d/50-ubuntu.conf file, command: gedit/usr/share/

System Environment:

Ubuntu14.04 x64

Problem description:

Ubuntu14.04's 64-bit system disables root account login by default

Solution:

1. Set password for root

Sudo passwd root

2. modify the configuration file

Run the following command to modify the/usr/share/lightdm. conf. d/50-ubuntu.conf file:

Gedit/usr/share/lightdm. conf. d/50-ubuntu.conf

Add the following content at the end of the file:

Greeter-show-manual-login = true

Allow-guest = false

Save the changes and exit. restart the system to log on and use root to log on.

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