centos7 installation tutorial

centos7 installation tutorial: First download the "CentOS-7-x86_64-bin-DVD1.iso" image file; then select "File->New Virtual Machine->Customize"; then follow the wizard Create a virtual machine; finally enter the CentOS installation interface and perform installation settings.

##The operating environment of this article: centos7 system, DELL G3 computer

CentOS 7 installation tutorial (detailed graphic and text explanation)

CentOS 7 installation tutorial:

Preparation:

Software: VMware Workstation

Image file: CentOS-7-x86_64-bin-DVD1.iso

(Attachment: The tutorial is more detailed and has many comments, so the operation options have been added. Displayed in bold font.)

1. File--New Virtual Machine--

Custom

2. Hard disk compatibility- -

Default

3. Install the operating system later (you need to delete unnecessary hardware after the virtual machine installation is completed, so install it later. System) [Recommended:

centos tutorial]

4. Select the client operating system: Client operating system--

Linux

Version--

centos 64bit

(Note: The version must correspond to the image file version, where centos is 32-bit and centos 64-bit Then it is 64-bit, and the Windows system should install the 64-bit version)

5,

Name the virtual machine (Briefly indicate the type and version of the virtual machine .For example: centos-7)

##6,

Processor configuration

(CPU)--The total number of processor cores is generally 4​​​​​

The total number of virtual machine cores cannot exceed the number of host cores. If exceeded, a warning will appear.

##7. This virtual machine memory--

Generally 2G

                                                                                                                                                                       K

##8. Network type--

Bridged network (the virtual machine and the host can use the same network)

Note: VMnet1 network port corresponds to host-only mode

VMnet8 network port corresponds to NAT mode

VMnet0 network port corresponds to bridge mode

View the above corresponding to the editor in VMware workstation-Virtual Network Editor

9. Select the I/O controller type (relative to the hard disk )--

Default

From the hard disk to the memory is I (input) From memory to the hard disk is O (output)

10. Select the disk type--

Default (hard disk interface, SATA type commonly used by individuals at home, SCSI type commonly used by servers)

11. Select the disk--Create a new virtual disk (the other two are not commonly used)

12. Specify the disk capacity--200G (it is fake and virtual and does not occupy the host memory)

13. Specify the disk file (.vmdk) File

14. Complete

Delete Unnecessary hardware--Edit virtual machine settings--Delete-USB controller, sound card, printer (can make the virtual machine start faster)

Also Hardware can be added manually. For example, if one network port is not enough, add another one.

Network connection still selects Bridge mode

At this time You can see that two network adapters have been added

15. At this time, the hardware in the virtual machine has been built

16. Continue to add the image file, select CD/DVD (IDE) in the device

                                            Select --## at the connection point. #Use ISO image file--OK

17. Enter the CentOS installation interface.

--Select the first item

Install CentOS 7

##18、WELCOME TO CENTOS 7.

Settings Language--Recommend using

English

--Click Continue

##19. INSTALLATION SUMMARY Installation Overview ( All settings for centos 7 version of Linux can be completed here)

(1) First, set the time zone--

DATE & TIME

FindAsia

- -

Shanghai and click--Done

(2) KEYBOARD The default keyboard is English (US)

(3) LANGUAGE SUPPORT language support

can be The default English can also add Chinese simplified Chinese support

## (4) INSTALLATION SOURCE Installation resources

Default selection--

Local media

Local media files

(5) SOFTWARE SELECTION software installation selectionCharacter interface installation--

Minimal install or Basic Web Server

Graphical interface installation--Server with GUI or GNOME Desktop

The installation process of character interface is the same as that of graphical interface. There is only a distinction in this step.

Click--DoneGo to the next step

20. INSTALLATION DESTINATION installation location---that is, system partition

(1) First select the 200G virtual hard disk

when we created the virtual machine (2) Drop down the menu and find Other Storage Options--Partitioning--I will configure partitioningSelect

I will configure partitioning Custom partition

--Clickdone

(3) Select Standard Partition Standard Partition--Click the lower left corner to add a partition

(4) Partition

creat--Standard Partition--creat--mount point (mount point) and File System Type (system file type)

Create /boot area and swap respectively Partition, root partition/

Note: The simplest partition plan for Linux system:

1. Divide /boot area, give 200M, and put startup files in /boot.

2. Divide the swap partition (swap space) into swap and look at the total memory size. If the memory is large enough, the space must be set too large. If the memory is less than 2G. Then this space is set to 2 times the size of the memory.

3. Give all space to / (root partition)

(5) Partition completed!

ClickDone

ClickAccept Changes

21. Return to INSTALLTION SUMMARY

22. KDUMPDefaultSelect

23. NETWORK & HOST NAME Set the network connection and host name

Set the host name at Host name: (for example, centos-7)

24. This is when we have completed all the settings

----Begin Installation

At this time, you need to set up the administratorRoot Password(Be sure to remember the password!)

After the password setting is completed, click Done

to create a user (you can not create it here, you can also create it again by entering root after the installation is complete)

25. Centos 7 installation is complete--click reboot to restart use

The character interface is shown below

The graphical interface is shown below picture

Attachment:

After calling up the Terminal terminal, use the su root command to switch the user to the root administrator, and then perform administrator operations:

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