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How to install Apache on Centos 7

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A "LAMP" stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This term is actually an acronym which represents the Linux operating system, with the Apache web server. The site data is stored in a MySQL database (using MariaDB), and dynamic content is processed by PHP.

 

 

Step One — Install Apache

The Apache web server is currently the most popular web server in the world, which makes it a great default choice for hosting a website.

We can install Apache easily using CentOS's package manager, yum. A package manager allows us to install most software pain-free from a repository maintained by CentOS. You can learn more about how to use yum here.

For our purposes, we can get started by typing these commands:

sudo yum install httpd

Since we are using a sudo command, these operations get executed with root privileges. It will ask you for your regular user's password to verify your intentions.

Afterwards, your web server is installed.

Once it installs, you can start Apache:

sudo systemctl start httpd.service

If you are running a firewall, run the following commands to allow HTTP and HTTPS traffic:

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

You can do a spot check right away to verify that everything went as planned by visiting your server's public IP address in your web browser (see the note under the next heading to find out what your public IP address is if you do not have this information already):

http://your_server_IP_address/

You will see the default CentOS 7 Apache web page, which is there for informational and testing purposes. It should look something like this:

default_apache.png

If you see this page, then your web server is now correctly installed.

The last thing you will want to do is enable Apache to start on boot. Use the following command to do so:

sudo systemctl enable httpd.service

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