Linux Cloud Automation Operations Basics 1

1. How to connect to VNC
   Click: Applications------>internet------>TIGERVNC Viewer
   VNC Address: 172.25.254.250:8 ": 8 represents the 8th network interface on the host, which previously represents the host's IP address"
   Note: (1. If the connection is unsuccessful, you can identify the network problem, first check that the cable is connected.
   (2. The teacher uses TIGERVNC, is the service side; we use the Tigervnc Viewer, which is the client. 650) this.width=650; "Src=" https://s1.51cto.com/wyfs02/M00/9C/28/wKiom1lsybqj-TD7AAA-NGJwpH4341.png-wh_500x0-wm_ 3-wmp_4-s_3867045523.png "title=" screenshot from 2017-07-17 20-34-01.png "alt=" Wkiom1lsybqj-td7aaa-ngjwph4341.png-wh_50 "/>
   2. Learning Tools
   Virtual machine: View Desktop View server
   Virtual Machine Management: On the system desktop right mouse button, click Open in Terminal, you can get a command interface.
   Enter commands: Rht-vmctl < actions > < target > To manage virtual machines.
   Common actions: Start to turn on view display Poweroff off RESRT Reset
   Target: Two virtual machine desktop serve
   Virtual Machine Control:
   
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   3. Language and Input Method adjustment: Click application--->system Tools---->settings--->region&language and then find chinses add up.
   
   4.linux This word refers to: the Linux kernel. Kernel: Kernel It is a hardware-based first-tier software extension that provides the most basic functionality of the operating system.

   
   

   
   

   Linux operating system: The Linux kernel +gun the organization's software.
   The father of Open Source: Richard Matthew Stallman, founder of the Free Software spirit leader, the GNU program, and the creator of the Free Software Foundation (freesoftwarefoundatio), the famous hacker, the GNU General Public License (GNU GPL) he wrote is the world The most widely used free software license. Aa.
   The father of Linux: in October of 1991, a young Finnish university student named Linus Torvalds the Linux kernel.
   
   5. Enterprise Adoption Linux System reason: The copyright is open, stable and efficient, high customizable, commercial support.
   
   6.shell: It is a software, is a command interpreter;
   It provides an interface for interaction between the user and the kernel outside of the Linux kernel;
   The command entered by the user is interpreted by the shell to the kernel, and the shell receives the output of the system response and displays it to the screen.
   Bash is a shell, and the system default shell that is currently used is bash.
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   Execute commands in 7.shell
   
   (1. Command line prompt: [[email protected] desktop]$
   Kiosk: A user running bash
   @: Information delimiter
   The short name of the host where the Founfation24:bash resides. Host No. 24th
   Desktop: The current default action directory, the environment where bash is located
   The $ representation outside the square brackets represents the user's identity prompt. $ represents a normal user #表示超级用户
   
   (Execute command in 2.shell: (1) command to enter after command prompt
   (2) Format: Command parameters target Note: There are spaces between the three of the interval, parameters and targets are not to be added.

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   (3) The parameter is to specify some command function >>-parameters >> Parameters-for the word abbreviation-the whole spelling of the word.
   (4). Ctrl +c # #撤销命名的执行
   
   (Get help in 3.shell: Whatis command # # # #查找命令的功能
   Man command or command--help
   "[]" Select the information to join
   "<>" must be added to the information
   " ... "Can join any number of information
   
   
   (Historical call in 4.shell
   History Show Historical
   Up and down key-by-turn search history
   ! Numbers call this number's history 650) this.width=650; "Src=" https://s1.51cto.com/wyfs02/M00/9C/29/wKioL1lszCzSrlPFAAALuLwBi Na318.png-wh_500x0-wm_3-wmp_4-s_2220003761.png "title=" screenshot from 2017-07-17 22-13-02.png "alt=" Wkiol1lszczsrlpfaaalulwbina318.png-wh_50 "/>
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   The ctrl+r+ keyword invokes a history that contains this keyword
   History-c empty But the history of the former shell
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Linux Cloud Automation Operations Basics 1