Syria : Installation in school CentOS There are always some problems in the system , There are a lot of teaching steps about this on the Internet , But there's always something that's not detailed , Once something goes wrong, it's very troublesome , It's a waste of time , therefore , After familiar with the installation routine, I want to make a complete installation steps blog , I hope you found that useful ~~~


Install on virtual machine CentOS 7 System

1. CentOS Download of image system

Now it's normal centos System use centos7 edition , It's best to download it from the official website ;
Official website address :http://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1804.iso
Open as shown in the following figure , Just click on the red box ( Not this version is OK , As long as the versions are the same );
CentOS System official website interface diagram
The general mirror image is 4G Multipoint , Keep enough disk space ;

2. Download of virtual machine

This virtual machine uses 64 Position as an example
Download address :https://www.cr173.com/soft/68480.html
There is a key in this website ( Close test available ), There is no problem in the installation of virtual machine , So I don't want to go into details ; After downloading, it is as shown in the figure below , Click on the install , The next step, the next step , The installation position can be selected by yourself , After installation, enter the key ;
 Virtual machine installation package download complete style

3. Start deploying the image on the virtual machine

1. Create a new virtual machine
Open after installing the virtual machine , In the red box 1 Right click or 2 Click to select Create a new virtual machine , As shown in the figure below :
 Create virtual machine method

2. Installation mode selection
The options shown in the figure below appear , The classic version is a relatively simple configuration , Equivalent to using their default configuration , The user-defined version needs to have a certain understanding of virtual machine system creation , The classic version basically needs the next step , Now let's explain the custom version :
 The first step in creating the system interface

3. After selecting custom, the following interface will appear :
 Custom interface
This is the next step , No configuration is required ;

4. Select the import system mode
After the next step, you need to select the previously downloaded IOS file , Because this case is based on IOS The mirror system is an example , The system is not created by importing the CD-ROM drive ; As shown below :
 Install source settings
Find and choose your own IOS After mirroring the system, click next ;

5. Virtual machine name and storage location
This step is to name and confirm the creation of the virtual machine IOS Where did you put it , As shown in the figure below :
 Name the virtual machine
This page needs to fill in the name of your system and where the system is stored , It's best to put it on a non system disk , in addition , In the import IOS Pay attention not to have Chinese characters in the path , Prevent import failure , After setting, click next ;

6. Processor settings
Configure the number of cores in the system , There are several processors , What's the number of cores per processor , The attempt is as follows :
 Configure the processor of the system
Generally according to the default , If the computer is good, you can increase the number of processor cores appropriately , After choosing, click next ;

7. establish CentOS The running memory of the system
General computers can be configured with 2G-3G No problem , If the computer is old, you can choose 1G, It's also possible to run , It's just going to run slower ;
 Picture description here
After creating, click next ;

8. Networking settings
choice CentOS How the system is connected to the Internet , As shown in the figure below :
 Networking
The general choice is the bridge access network mode , Of course , Choose network address translation (NET) Patterns are also possible ( It needs to be configured accordingly ), But this example is demonstrated in bridging mode , After selecting, click next ;

9. Data input / output stream settings
Select the type of controller for the I / O stream , Just choose what they recommend by default , As shown in the figure below :
 I / O flow controller
Click next ;

10. Select the type of disk that will be created
Choose the type of disk , Still choose the recommended category , As shown in the figure below :
 Choose the type of disk
Click next ;

11. How the disk is created
Let the user choose how to create the disk , It's better to create a new dedicated virtual disk for each virtual machine , As shown in the figure below :
 How to create a disk

12. Set disk size
by CentOS The system sets its disk size , Generally, default is good , As shown in the figure below :
 Set disk size

13. Set disk file location
This step refers to where to put the disk files of the system , It is usually placed in the storage path of the virtual system , Box is the name of the folder , As shown in the figure below :
 by CentOS The system specifies the storage location of the virtual disk space
The best choice of computer system disk has enough disk space ;

14. Confirm creation :
 Confirm creation
Click to confirm , The right area will have the created system boot automatically ( The startup page is black ), Then you'll see something like this :
 Create a successful interface

Start the configuration after the mirror deployment is completed CentOS System ;

4. CentOS Configuration after system installation

The first time you enter the system, you will see a series of configurations , The main manual configuration is as follows :
1. Language configuration
According to personal preference , There is a choice of Chinese ;
 Set display Chinese
Click to continue ;

2. Configure the GUI
This configuration is very important , For rigid contact Linux The trouble for most people is that there is no graphical interface , and CentOS The system is pretty good in this respect , It can be configured directly when entering the system for the first time and retrograde , The configuration is as follows :
Click to enter the red box and select the option ,
 Picture description here And then choose GNOME desktop , Choose one of these applications 、 Development tools, etc ;
 Select the interface plug-in
Then click on the top left corner to finish .

3. Installation position
Click in and out , that will do ;
 Installation position

4. Configure network links
In the figure below, there is an option for network and host name , The bottom is shown as unconnected , Click in to set up the network ;
 Setting up network
Go to the configuration page , Turn on the top right switch
 switch

6. Start installing and running the configured system
Set... In the process root Users and ordinary users ,root The user has to configure , Ordinary users can not configure ;
 Set up Root Users and ordinary users
Set up oor When users enter their user name and password, they will be prompted that they are not in accordance with the regulations , Don't worry about it , Double click the finish option in the upper right corner ;
The specific style is as follows :
 Specific styles
After configuration and installation, click restart in the lower right corner ;

7. Accept the license
The following interface appears after boot up , Then click in the red box and select accept license ;
 Picture description here
Check the agreement and click Finish to display the accepted format of the license , As shown in the figure below , And select the network configuration option checked in the red box as shown in the figure below ( If you click to open the network before , This step will not show unconnected ), After entering, click to open the switch , If the computer itself has no network , So the reality is still not connected ;

After configuration, the following style appears :
 The style after configuration
Create user settings without configuration , What you want to configure can also be configured , And there's nothing to pay attention to , After configuration, click the configuration in the lower right corner to complete , The computer restarts automatically , After startup, as shown in the figure below :
This is to set the input method :
 Set input method
These configurations are all mentioned before , Just confirm it once ;

8. Confirm the use of
Click to ;
 When it's done, the desktop
The appearance of the desktop is the completion of ;


The above is the whole process of installation and deployment of the whole system , Hope to help the preliminary study of this system of children's shoes , It's better to avoid detours and worries ;
pass: There are also steps to completely uninstall the installed system , It will not be recorded in this chapter ;


《 End of this chapter 》