From entry to mastery: methods and techniques for building a web server on CentOS-Linux Operation and Maintenance-php.cn

From entry to mastery: methods and techniques for building a web server on CentOS

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Release： 2023-08-04 15:21:36

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From entry to mastery: Methods and techniques for building web servers on CentOS

Introduction:
Today, web servers have become a core component of the modern Internet. Building a stable, secure, and efficient web server is crucial for website operation and development. This article will introduce how to build a web server on the CentOS operating system, and share some tips and code examples to help readers from getting started to becoming proficient.

1. Install the CentOS operating system:

Download the CentOS image file and create a virtual machine.
Follow the wizard to install the CentOS operating system in the virtual machine.

2. Install the Apache HTTP server:

Open the terminal and use the following command to install the Apache HTTP server:
```
sudo yum install httpd
```
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After the installation is complete, start the Apache service and set it to start automatically at boot:
```
sudo systemctl start httpd
sudo systemctl enable httpd
```
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Enter the IP address of the server in the browser to confirm that Apache has been successfully installed.

3. Configure the virtual host:

Create a new virtual host configuration file:
```
sudo vi /etc/httpd/conf.d/example.conf
```
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In Add the following content to the example .conf file:

<VirtualHost *:80>
 ServerName example.com
 ServerAlias www.example.com
 DocumentRoot /var/www/html/example
</VirtualHost>

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Save and exit the file, then restart the Apache service:
```
sudo systemctl restart httpd
```
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Enter example.com in the browser Or www.example.com, confirm that the virtual host is configured successfully.

4. Install the MySQL database:

Open the terminal and use the following command to install the MySQL database:
```
sudo yum install mysql-server
```
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After the installation is complete, start the MySQL service and set it to start automatically at boot:
```
sudo systemctl start mysqld
sudo systemctl enable mysqld
```
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Run the MySQL security script to set some security options for the database:
```
sudo mysql_secure_installation
```
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Follow the wizard to set the MySQL root user password and other options.

5. Install the PHP interpreter:

Open the terminal and use the following commands to install the PHP interpreter and common modules:
```
sudo yum install php php-mysql
```
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After the installation is complete, restart the Apache service:
```
sudo systemctl restart httpd
```
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6. Test the web server:

Create a simple test PHP File:
```
sudo vi /var/www/html/test.php
```
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Add the following content in the test.php file:
```
<?php
 phpinfo();
?>
```
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Save and exit the file and enter the server IP address in your browser or Add /test.php to the domain name to confirm that the PHP interpreter has been configured successfully.

Conclusion:
Through the introduction and code examples of this article, you should already understand the basic methods and techniques of building a web server on CentOS. Of course, this is just an entry-level tutorial, and you can further learn and explore more advanced features and security measures to meet your specific needs. I hope this article will be helpful to you, and I wish you go further and further on the road to building a web server!

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