Installation process
1. Download the CD image file, install and use the virtual machine system
Official website: https://www.centos.org/
CentOS7 download address: http://ftp.sjtu.edu.cn/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso
Note: The iso file is large, and the download time is relatively long. For other versions, you can go to the official website to find and download
(1) Visit the official website and enter the download page
(2) The system architecture is selected according to individual needs
(3) Select the download source
(4) Select the image file to be downloaded, and wait for the download to complete
2. Complete the VMware installation, prepare the image file, start creating a virtual machine, and open VMware
3. Select "Create a new virtual machine"
4. Select the configuration type
Note: "Typical" configuration is generally selected. If you want to increase or decrease the configuration yourself, you can choose "Custom"
5. Select the image file and click "Next"
6. Set the computer name, login user, login password
7. Customize the virtual machine storage location
Note: Try not to store in the system disk as much as possible, which consumes more performance
8. Set the disk capacity and set it according to your needs
9. Custom hardware
Note: Optional, you can use the default hardware configuration, if you use the default configuration, please skip this step and click "Finish" directly
(1) Memory settings
Note: The memory depends on the size of the local memory and is set according to the situation. My local memory is sufficient, so I set 4G
(2) Set the number of CPUs
Note: After the setting is complete, click "Close" below
10. After the custom hardware configuration is completed, click "Finish"
11. Start to install the virtual machine
Note: A pop-up window is prompted in the picture, just click OK. If you are interested in knowing, you can check what is side channel mitigation on the Internet
If the mouse clicks into the virtual machine, you can press "Ctrl + Alt" to exit
12. System installation
Software installation (installation -- login interface, you can do nothing during this process)
13. After the system installation is complete, click the account to log in
14. Enter the password to log in
15. Enter the desktop
Note: GNOME desktop operation guide, you can watch it yourself if you need it, the video can be clicked to watch, no need, just close the window
16. Right click on the desktop and select "Open Terminal" to enter the character operation interface
17. Character operation interface
Pure character operation interface settings
After installing the system, the default is to enter the GNOME interface when booting. If you want to enter the character interface after booting, the settings are as follows ( there are many ways to modify it, and you can check and learn by yourself. I just do a simple test and use it, so I will make a simple example ):
1. systemctl get-default //View current settings
2. systemctl set-default multi-user.target //Modified to enter the character interface by default
3. shutdwon -r now //Restart the system after modification
Note: After restarting, enter the character login interface by default
4. Enter the account password to log in
5. Successful login
