Prerequisites

-** VirtualBox 6.0 ** installed --Downloaded CentOS-8.1.1911-x86_64-dvd1.iso --Host OS: ** Windows7 ** (fixed IP address: 192.169.0.2/24) --Guest OS: ** CentOS-8.1.1911 ** (fixed IP address: 192.168.0.10/24)

Installation procedure

1. Start VirtualBox

Double-click the VirtualBox launch shortcut to launch VirtualBox.

2. Create a new virtual machine

Click New in Oracle VM VirtualBox Manager.

3. Create a virtual machine

Enter the following and click the "Create" button.

item	Settings
name	CentOS-8.1.1911
Machine folder	C:\DK\VirtualBox
type	Linux
version	Red-Hat (64bit)
Memory size	2048MB
hard disk	仮想hard diskを作成する

4. Create a virtual hard disk

Enter the following and click the "Create" button.

item	Settings
File location	C:/DK/VirtualBox/CentOS-8.1.1911/CentOS-8.1.1911.vdi
file size	16GB
Hard disk file type	VDI (VirtualBox Disk Image)
File disk storage in physical files	Fixed size

If you press the "Guided mode" button, the meaning of each item setting is written and you can set it according to it.

Creation of the virtual machine will start. (It will take some time.)

5. Virtual machine creation completed

"** CentOS-8.1.1911 **" is added.

6. Virtual machine settings

With "** CentOS-8.1.1911 **" selected, click the "Set" button.

7. Virtual machine (system) settings

Select "System" and the "Boot Order" is (1) "Floppy" (2) "Optics" (3) "Hard disk" In the order of (1) "Floppy" (2) "Hard disk" (3) "Optics" Change in the order of.

8. Virtual machine (storage) settings

Set the DVD image CentOS-8.1.1911-x86_64-dvd1.iso as the boot disk.

Select "Storage" and click the "Add Optical Drive" icon in "Controller: IDE".

Click the "Select Disc" button.

Click the Add button on the media.

Select the downloaded CentOS-8.1.1911-x86_64-dvd1.iso.

Make sure that CentOS-8.1.1911-x86_64-dvd1.iso has been added and click Select.

Controller: Make sure that CentOS-8.1.1911-x86_64-dvd1.iso is added to the IDE.

Controller: By adding CentOS-8.1.1911-x86_64-dvd1.iso to the IDE, CentOS-8.1.1911-x86_64-dvd1.iso will be started as the installation media at startup.

9. Virtual machine (network) settings

Select "Network", select "Bridge Adapter" as the adapter, and click the "OK" button.

10. Start the created virtual machine

With "** CentOS-8.1.1911 **" selected, click the "Start" button. (CentOS-8.1.1911-x86_64-dvd1.iso will be started as the installation media at startup.)

11. Menu selection

Select "Install CentOS Linux 8.0.1905" and press the "Enter" key.

12. Select the language to use during installation

Select "Japanese" as the language to use during installation and click the "Continue" button.

13. Keyboard settings

Click "Keyboard".

Make sure it is in Japanese and click the "Finish" button.

14. Language support settings

Click Language Support.

Make sure Japanese is selected and click the "Finish" button.

15. Installation source settings

Click "Install Source".

Make sure that "Auto-detected installation media" is checked and click the "Finish" button.

16. Software selection settings

Click Select Software.

Select "Base environment", "Other software in the selected environment" and click the "Finish" button. (Here, select "Server (using GUI)" as the base environment, and select "FTP server", "Development tool" and "Graphical management tool" as other software in the selected environment to install.)

17. Installation destination settings

Click "Install to".

Check the contents of the installation destination and click the "Finish" button. (Here, "Automatic configuration" is selected as the storage setting, but it is also possible to select "Custom" to set the partition.)

18. KDUMP settings

Click "KDUMP".

Uncheck "Enable kdump" and click the "Finish" button. (This time it is for trial use, so I unchecked it, but if you want to refer to the kernel dump when a problem occurs, check it.)

19. Network and host name settings

Click Network and Hostname.

Turn Ethernet on and click the Settings button.

Open the "IPv4 Settings" tab, select "Manual" as the method, enter the address, netmask, gateway, and DNS server, and click the "Save" button. When setting multiple DNS servers, enter them separated by ,.

Enter the "Host Name", click the "Apply" button, and then click the "Finish" button.

20. Date and time settings

Click Date and Time.

Select "Region" and "City", set "Network Time" to "On", and click the "Set" button. (Here, "Asia" is set for the region and "Tokyo" is set for the city.)

After setting the NTP server, click the "OK" button. The following Japanese NTP servers are set here.

ntp1.jst.mfeed.ad.jp
ntp2.jst.mfeed.ad.jp
ntp3.jst.mfeed.ad.jp

Click the "Finish" button.

21. Start installation

Click the "Start Installation" button.

22. Setting root password

Click Root Password.

Enter the root password and click the Finish button.

If you also want to perform "Create User", click "Create User" and enter the user information.

The installation will continue.

23. Reboot after installation is complete

After the installation is complete, click the "Restart" button.

You can see that there is an error at startup. This error will be addressed later.

24. License agreement

Click License Information.

Check the contents, check "I accept the license agreement", and click the "Finish" button.

CentOS8 Linux EULA

CentOS 8 Linux comes with no guarantees or warranties of any sorts, either written or implied.

The Distribution is released as GPLv2, Individual packages in the distribution come with their own licences. A copy of the GPLv2 licences is included with the distrobution media.

CentOS8 Linux EULA

CentOS 8 Linux disclaims any kind of warranty, written or implied.

The distribution is released as GPLv2, and each package in the distribution comes with its own license. A copy of the GPLv2 license is included on the distribution media.

Click the "Finish Settings" button.

25. Log in as root to check

Click "Can't find your account?"

Enter "root" as the user name and click the "Next" button.

Enter your password and click the Sign In button.

Make sure that "Japanese" is checked on the "Welcome" screen, and click the "Next" button.

Make sure that "Japanese" is checked on the "Input" screen, and click the "Next" button.

On the "Privacy" screen, set "Location services" to "Off" and click the "Next" button.

Click the "Skip" button on the "Online Account" screen.

Click the "Get Started with CentOS Linux" button on the "Ready" screen.

The "For first-time users" screen will be displayed. Click the "x" button to close it.

Click "▼" and then click the "Power" button.

Click Power Off.

26. Resolve startup errors

Eliminates the startup error that occurred in "** 23. Reboot after installation is complete **".

With ** CentOS-8.1.1911 ** selected in Oracle VM VirtualBox Manager, click the Settings button.

After selecting "Display", select "Vbox VGA" as the graphic controller and click the "OK" button.

However, if you select "Vbox VGA" as the graphic controller during installation, the screen will freeze when the installation is complete. It seems that you should select the default "VMS VGA" for the graphics controller during installation.

With ** CentOS-8.1.1911 ** selected in Oracle VM VirtualBox Manager, click the Launch button.

Make sure it starts without any errors.

that's all

Steps to install CentOS 8.1 in Virtual Box