One 、 stay Ubuntu Install in SSH

• On the newly installed virtual machine , Use ls Can't show .ssh Hidden files , The reason is that the virtual machine system in the initial trial is not installed ssh , You need to follow the following steps to install ：

  1、 Enter the command :

  $ sudo apt - get install openssh-server

  2、 Enter the command to start the service

  $ /etc/init.d/ssh start

  3、 Enter the restart service command

  $ /etc/init.d/ssh restart

  

  4、 Enter the command sudo su , Do not fill in the path , Directly keep pressing enter, You can make it

  $ sudo su
  

  5、 Check to determine whether and generated .ssh Hidden files

  

  6、 Input exit The instruction exits the current operation and is completed

7、 If it is not found under the current user  .ssh Folder , You need to enter the following command ：

$ ssh localhost

reason ：.ssh It's a folder for password information , If you haven't logged in root Words , There is no .ssh Folder , So log in localhost , And enter the password to generate