How to Install Apache HTTPD on CentOS 7
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Summary: Learn step-by-step how to install and configure the Apache HTTPD web server on CentOS 7, including basic security and service management. Ideal for beginners setting up their first web server.
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How to Install Apache HTTPD on CentOS 7
Apache HTTPD is one of the most popular web servers in the world, known for its robust performance, rich feature set, and active community support. In this guide, we will cover how to install the Apache HTTPD web server on a CentOS 7 system.
Step 1: Update Your System
Before installing any new software, it’s a good practice to update your system’s package index. This ensures that you have all the latest updates and dependencies installed before adding new software. Open your terminal and run:
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Step 2: Install Apache HTTPD
After your system is updated, you can install the Apache HTTPD server using the yum package manager. CentOS 7’s default repository contains the Apache HTTPD package, making installation straightforward:
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Once the installation process is complete, you can check if Apache HTTPD is installed correctly by checking its version:
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Step 3: Start and Enable the HTTPD Service
With Apache HTTPD installed, the next step is to start the service and enable it to launch at boot:
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To ensure that the service is running, use:
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Step 4: Configure Firewalld to Allow HTTP and HTTPS Traffic
CentOS 7 comes with firewalld enabled by default to manage network traffic. To allow access to your web server from other computers, you need to open HTTP (port 80) and HTTPS (port 443) ports on your firewall:
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Step 5: Test Apache HTTPD
To test that your web server is configured correctly, open a web browser and navigate to your server’s IP address. You should see the default CentOS 7 Apache HTTPD welcome page. This confirms that the web server is installed and running correctly.
Step 6: Configure Apache HTTPD (Optional)
Configuration files for Apache are located in /etc/httpd/conf and /etc/httpd/conf.d/. The main configuration file is httpd.conf. You may want to edit this file to make changes to server settings. Always make sure to backup the configuration file before making any changes:
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Edit the configuration file using a text editor, such as vi or nano:
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Step 7: Managing Apache HTTPD Service
You can manage the Apache HTTPD service using the systemctl commands. For instance, to stop the server, use:
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To restart the server after making configuration changes, use:
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Conclusion
Installing Apache HTTPD on CentOS 7 is straightforward and requires just a few commands. After installation, your server is ready to host websites and web applications. Remember, managing a web server requires regular maintenance and updates to ensure it remains secure and performs well.
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