Auto Root User Login Configuration / Ubuntu 14.04 Environment

1. Configuration Environment

The configuration environment is as follows:

• Ubuntu 14.04 LTS 64bit, root user

2. root Password Configuration

$ sudo passwd root
Enter new UNIX password:
Retype new UNIX password:

Set root’s password using passwd tool.

3. Auto Login Configuration

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[SeatDefaults]
autologin-user=root
autologin-user-timeout=0
user-session=ubuntu
greeter-session=unity-greeter

Create /etc/lightdm/lightdm.conf file with the content of [File 1]. (If the file already exists, modify it.)

4. Remove /root/.profile Error

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...

tty -s && mesg n

After rebooting, change the content of /root/.profile file to the content of [File 2].