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This article will explain in detail how to install CentOS 7.3. the editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

CentOS 7 is an open source server operating system released by the CentOS project, which was officially released on July 7, 2014. CentOS 7 is an enterprise-level Linux distribution, which is derived from the free and open source code of RedHat for redistribution. CentOS 7 kernel is updated to 3.10.0, supports Linux container, supports Open VMware Tools and 3D images out of the box, supports OpenJDK-7 as the default JDK, supports iSCSI and FCoE in kernel space, supports PTPv2 and other functions

Prompt

To install CentOS 7.3 correctly on UEFI machines, first press the key (F2 F11 or F12, depending on your motherboard type) to enter the motherboard UEFI settings and make sure that QuickBoot/FastBoot and Secure Boot are disabled.

1. After you have downloaded the image from the link above, use Rufus to burn it to DVD or create a bootable UEFI-compatible USB disk.

Place the USB/DVD in the drive connected to the motherboard, restart the computer and use the specific function key (F12, F10 depending on the motherboard type) to allow BIOS/UEFI to boot from DVD/USB.

After the ISO image is started, the following first screen will be displayed on your machine. Select "Install CentOS 7" from the menu and press enter to continue.

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CentOS 7.3Startup menu

2. After the installation image is loaded into memory, a welcome page will be displayed. Select the language you use in the installation and press the "continue Continue" button.

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Select CentOS 7.3installation language

3. Click "date and time Date and Time" on the next page and select your geographic location from the map. Confirm that the date and time are configured correctly and click the "finish Done" button to go back and forth to the main installation interface.

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Summary of CentOS 7.3installation

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Select date and time

4. Click the "keyboard Keyboard" menu to enter the keyboard layout page. Select or add a keyboard layout and click the "finish Done" button to continue.

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Select keyboard layout

5. Next, add or configure a language for your system and click the "finish Done" button to proceed to the next step.

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Select language support

6. In this step, you can set your system "security policy Security Policy" by selecting the security configuration in the list.

Click the Select configuration button to select the security configuration you want and click the "apply Security Policy Apply security policy" button to On. Click the "finish Done" button to continue the installation process.

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Enable CentOS 7.3 security policy

7. In the next step, you can click the "Software Select Software Selection" button to configure your basic machine environment.

The list on the left is that you can choose to install a desktop environment (Gnome, KDE Plasma, or creative workstation) or install a server environment (Web server, compute node, virtualized host, infrastructure server, server with graphical interface or file and print server) or perform a minimal installation.

In order to customize your system later, choose to minimize installation and attach compatibility libraries, and click the "finish Done" button to continue.

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CentOS 7.3Software selection

For a complete Gnome or KDE desktop environment, use the screenshot below as a guide.

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Gnome Desktop Software selection

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KDE Desktop Software selection

8. Suppose you want to install a graphical interface on the server, select the item "Server Server with GUI with GUI" on the left, and select the appropriate add-on software according to the services you need to provide to the client in the right column.

You can choose from a wide variety of services, from backup, DNS or e-mail services to file storage services, FTP, HA or monitoring tools. Choose only the services that are most important to your network.

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Select a server with GUI

9. If you do not use a specific network protocol such as HTTP, HTTPS, FTP or NFS's additional repository, leave the installation source by default and click "install location Installation Destination" to create a disk partition.

On the "device selection Device selection" page, make sure you have selected your local disk. Similarly, in other storage options Other Storage Options, make sure that Auto configure Partition Automatically configure partitioning is selected.

This option ensures that your disk is properly partitioned according to disk space and Linux file system hierarchy. It will automatically create / (root), / home and swap partitions for you. Click "finish Done" to apply the disk partitioning scheme and return to the main installation interface.

Important note: if you want to create custom partitions and custom partition sizes, you can select the "I want to configure partition I will configure partitioning" option to create custom partitions.

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Install CentOS 7.3 installation location

10. Next, if you want to free system memory, click the KDUMP option and disable it. Click "finish Done" and return to the main installation interface.

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Kdump selection

11. Set your hostname and enable network services in the next step. Click "Network and hostname Network & Hostname", enter your FQDN (fully qualified domain name) in the hostname, and if you have a DHCP server in the LAN, switch the Ethernet button from OFF to ON to activate the network interface.

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Set network and hostname

12. To statically configure your network interface, click the "configure Configure" button, manually add the IP settings as shown in the screenshot, and click the "Save Save" button to apply the changes. When finished, click the "finish Done" button to return to the main installation menu.

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Configure network and IP addr

13. Finally, check all the configurations so far. If everything is all right, click the "start installing Begin Installation" button to start the installation.

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Start the CentOS 7.3 installation wizard

14. After the installation starts, a new settings user interface will be displayed. First click "root password ROOT PASSWORD" and add a strong password.

The root account is the highest administrative account password for each Linux system, and it has all permissions. When the settings are complete, click finish and press to return to the user settings interface.

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Select root password

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Set root password

15. Running the system with a root account is very unsafe and dangerous, so it is recommended that you click the "create user User Creation" button to create a new system account to perform daily system tasks.

Add a new user and select both options below to grant the user root privileges and manually enter the password each time you log in to the system.

When you finish the last item, click the "finish Done" button and wait for the installation to complete.

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Create a user account

16. After a few minutes, the installer will report that CentOS has been successfully installed on your machine. To use the system, you just need to remove the installation media and restart the machine.

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CentOS 7.3installation completed

After reboot, log in to the system using the user created in the installation and execute the following command with root privileges to perform the system update.

$sudo yum update

Update CentOS 7.3

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Update CentOS 7.3

All yum Manager problems choose yes, and finally restart the computer again (using sudo init 6) to apply the new kernel upgrade.

$sudo init 6

okay! Enjoy the latest CentOS 7.3 on your machine.

This is the end of the article on "how to install CentOS 7.3". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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