How to install Apache in centos minimum

Deploying an Apache HTTP server (httpd) on a CentOS Minimal system is very convenient. Here are the detailed steps:

1. Update the system package (suggestion): First update the system to ensure that all dependencies are the latest version. Execute the following command:

    sudo yum update -y

2. Install Apache HTTP Server : Use yum package manager to install Apache:

    sudo yum install -y httpd

3. Start the Apache service : After the installation is completed, start the Apache service:

    sudo systemctl start httpd

4. Set up power-on self-start : Make the Apache service automatically start when the system starts:

    sudo systemctl enable httpd

5. Verify service status : Check whether the Apache service is running normally:

    sudo systemctl status httpd

6. Configure the firewall (if enabled): If your system has firewalld firewall enabled, you need to open HTTP and HTTPS ports:

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

7. Visit the Apache default page : Enter the server's IP address or domain name in the browser, and you should see the Apache welcome page, which means the installation is successful.

Steps detailed explanation:

• Update system package: This step is not mandatory, but it is strongly recommended to perform before installing new software to avoid potential dependency conflicts.
• Installing the Apache: yum install -y httpd command will download and install the Apache HTTP server and all its necessary dependencies. -y parameter means that all installation prompts are automatically confirmed.
• Start and self-start: systemctl start and systemctl enable commands are used to start the service and set up the self-start on the power-on respectively.
• Verify service status: systemctl status httpd command will display the running status of the Apache service, including log information, etc.
• Firewall Configuration: Firewall configuration ensures that external networks can access your Apache server. firewall-cmd is a firewalld firewall management tool.

After completing the above steps, you can successfully run the Apache HTTP server on the CentOS Minimal system.

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