\n\n\n\n<\/body>\n<\/html><\/pre>

    The above is a simple PHP sample code that outputs Hello World<\/code> to the browser. Readers can access this code file by setting a virtual host in the Apache configuration file. <\/p>\n<\/li><\/ol>"}

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    Home Operation and Maintenance Linux Operation and Maintenance Introductory Tutorial: A quick guide to setting up a web server on CentOS

    Introductory Tutorial: A quick guide to setting up a web server on CentOS

    Aug 04, 2023 pm 06:04 PM
    centos web server quick guide

    Entry-level tutorial: A quick guide to building a web server on CentOS

    Introduction:
    In today's Internet era, building your own web server has become a need for many people. This article will introduce you to how to build a web server on the CentOS operating system, and provide code examples to help readers quickly implement it.

    Step one: Install and configure Apache

    1. Open the terminal and install the Apache server through the following command: 

      sudo yum install httpd

    2. Install After completion, start the Apache service and set it to start automatically at boot: 

      sudo systemctl start httpd
sudo systemctl enable httpd
    3. Verify whether Apache is successfully installed:
      Enter the IP address or domain name of the server in the browser, if it can be seen The Apache welcome page indicates that the installation is successful.

    Step 2: Install and configure MySQL

    1. Use the following command to install the MySQL database: 

      sudo yum install mysql-server

    2. Install After completion, start the MySQL service and set it to start automatically at boot: 

      sudo systemctl start mysqld
sudo systemctl enable mysqld

    3. Perform basic security settings, enter the following commands and follow the prompts: 

      sudo mysql_secure_installation

    4. Use the following command for MySQL account management: 

      sudo mysql

      After entering the MySQL command line mode, you can create new users, authorizations, etc.

    Step Three: Install and Configure PHP

    1. Use the following command to install PHP: 

      sudo yum install php php-mysql

    2. After the installation is complete, restart the Apache service: 

      sudo systemctl restart httpd

    3. Create a php test file and enter the following content: 

      <?php
phpinfo();
?>

      Save and exit. Access this file in the browser. If you can see the PHP configuration information, the installation is successful.

    Step 4: Configure the virtual host

    1. Edit the Apache configuration file and enter the following command: 

      sudo vi /etc/httpd/conf/httpd.conf

    2. Find the two lines DocumentRoot and Directory and modify them to the required directory path, for example: 

      DocumentRoot /var/www/html/example
<Directory "/var/www/html/example">

    3. Save and exit, and Restart the Apache service: 

      sudo systemctl restart httpd
    4. Create the example folder in the /var/www/html directory and place the website source code file in this folder.

    Summary:
    Through the above four steps, we successfully built a web server on CentOS. Readers can further configure and adjust according to their own needs, such as adding SSL certificates, setting firewall rules, etc. I hope this article can help beginners who are building web servers, so that everyone can get started quickly and enjoy the fun of web development.

    Code example: 

    <!DOCTYPE html>
<html>
<body>

<?php
echo "Hello World!";
?>

</body>
</html>

    The above is a simple PHP sample code that outputs Hello World to the browser. Readers can access this code file by setting a virtual host in the Apache configuration file.

    The above is the detailed content of Introductory Tutorial: A quick guide to setting up a web server on CentOS. For more information, please follow other related articles on the PHP Chinese website!

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