Teach you the detailed steps of setting up a Web server on CentOS step by step

1. Introduction
   Web server is a software that supports HTTP protocol and is used to provide web pages and Web services. You can use common software such as Apache and Nginx to build a web server on CentOS. This article will use Apache as an example to introduce the detailed steps of building a web server on CentOS.
2. Install Apache

First, open the terminal and enter the following command to install Apache:

sudo yum install httpd

After the installation is complete, start the Apache service:

sudo systemctl start httpd

In order to ensure that the Apache service starts automatically when the system starts, enter the following command:

sudo systemctl enable httpd

3. Configure the firewall

In order to allow Apache to access normally, you need to configure firewall rules. Enter the following command to start the HTTP service:

sudo firewall-cmd --permanent --zone=public --add-service=http

Then reload the firewall configuration:

sudo firewall-cmd --reload

4. Test Apache

Enter the server's address in the browser address bar IP address, if you see Apache's welcome page, the installation is successful. You can view the IP address of the server through the following command:

hostname -I

5. Configure the website directory

By default, Apache’s website directory is/var/www/html. Can be modified as needed.

First, back up the default website directory and enter the following command:

sudo mv /var/www/html /var/www/html_backup

Then create a new website directory and enter the following command:

sudo mkdir /var/www/mywebsite

Set directory permissions and enter the following Command:

sudo chown -R apache:apache /var/www/mywebsite

Next, open the Apache configuration file and enter the following command:

sudo nano /etc/httpd/conf/httpd.conf

Find the following line:

DocumentRoot "/var/www/html"

Change it to the path of the new website directory :

DocumentRoot "/var/www/mywebsite"

Save the file and exit.

6. Create a test page

In the new website directory/var/www/mywebsite, create a page namedindex.htmlfile, enter the following:

    
  
Welcome to My Website!
  

Save the file and exit.

7. Restart Apache

Enter the following command to restart the Apache service:

sudo systemctl restart httpd

8. Test website

is browsing Enter the server's IP address into the server and you should see the welcome message displayed on the test page.

At this point, the steps to build a web server on CentOS have been completed.

Summary:
This article takes Apache as an example and details the steps to build a web server on CentOS, including installing Apache, configuring the firewall, testing Apache, configuring the website directory, creating a test page and restarting Apache. By following the above steps, you can successfully set up a web server on CentOS and start publishing your own website.

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