ubuntu 16.04 Enabling root, enable ssh method

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1, using: sudo passwd root root password set, as shown below:

 

 

2, using su root to test whether the user can enter the root, if the password has been set # Description appears successful root user, as shown below:

 

 

3, into /usr/share/lightdm/lightdm.conf.d/ directory using gedit 50-unity-greeter.conf & command to open the 50-unity-greeter.conf file, as shown below:

 

 

4, add the following information in the open file, the user may choose to set log log, as shown below:

user-session=ubuntu

greeter-show-manual-login=true

all-guest=false

 

 

 

5, reboot the system, enter the user name information can occur, as shown below:

 

 

6, enter the root user name and password, as shown below:

 

 

 

 

7, appears: /root/.profile read error is found, the dialog box, as shown below:

 

 

8, clicking the OK button, to enter the system, use the command to modify the file vi /root/.profile, found mesg n, revised as: tty -s && mesg n, as shown below:

 

 

9, save and exit, then reboot the system.

 

 

10, make sure ssh service system has been installed,

 

If not installed install: sudo apt-get install openssh-server

[If you need a static ip with Internet access, modify / etc / network, and service networking restart]

Start the service: sudo service ssh start

 

11、测试服务是否已经开启：sudo ps -e | grep ssh

 

12、修改配置文件：

 

sudo vi /etc/ssh/sshd_config

 

PermitRootLogin prohibit-password  

改为

 

PermitRootLogin yes  

13、重启服务：sudo service ssh restart 

 

14、使用winscp连接 填入用户名密码即可连接上。