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  3. How To Set Up Apache Virtual Hosts on CentOS 7 | DigitalOcean

How To Set Up Apache Virtual Hosts on CentOS 7 | DigitalOcean

Rsdaa 25/10/2021 1223

Status: Deprecated

Reason: This article is not actively maintained and has a new version available. See Instead: How To Install the Apache Web Server on CentOS 7


The Apache web server is the most popular way of serving web content on the Internet. It serves more than half of all of the Internet’s active websites, and is extremely powerful and flexible.

Apache breaks down its functionality and components into individual units that can be customized and configured independently. The basic unit that describes an individual site or domain is called a virtual host. Virtual hosts allow one server to host multiple domains or interfaces by using a matching system. This is relevant to anyone looking to host more than one site off of a single VPS.

Each domain that is configured will direct the visitor to a specific directory holding that site’s information, without ever indicating that the same server is also responsible for other sites. This scheme is expandable without any software limit, as long as your server can handle the traffic that all of the sites attract.

In this guide, we will walk through how to set up Apache virtual hosts on a CentOS 7 VPS. During this process, you’ll learn how to serve different content to different visitors depending on which domains they are requesting.


Before you begin with this guide, there are a few steps that need to be completed first.

You will need access to a CentOS 7 server with a non-root user that has sudo privileges. If you haven’t configured this yet, you can run through the CentOS 7 initial server setup guide to create this account.

You will also need to have Apache installed in order to configure virtual hosts for it. If you haven’t already done so, you can use yum to install Apache through CentOS’s default software repositories:

sudo yum -y install httpd

Next, enable Apache as a CentOS service so that it will automatically start after a reboot:

sudo systemctl enable httpd.service

After these steps are complete, log in as your non-root user account through SSH and continue with the tutorial.

Note: The example configuration in this guide will make one virtual host for example.com and another for example2.com. These will be referenced throughout the guide, but you should substitute your own domains or values while following along. To learn how to set up your domain names with DigitalOcean, follow this link.

If you do not have any real domains to play with, we will show you how to test your virtual host configurationwith dummy values near the end of the tutorial.

Step One — Create the Directory Structure

First, we need to make a directory structure that will hold the site data to serve to visitors.

Our document root (the top-level directory that Apache looks at to find content to serve) will be set to individual directories in the /var/www directory. We will create a directory here for each of the virtual hosts that we plan on making.

Within each of these directories, we will create a public_html directory that will hold our actual files. This gives us some flexibility in our hosting.

We can make these directories using the mkdir command (with a -p flag that allows us to create a folder with a nested folder inside of it):

sudo mkdir -p /var/www/example.com/public_htmlsudo mkdir -p /var/www/example2.com/public_html

Remember that the portions in red represent the domain names that we want to serve from our VPS.

Step Two — Grant Permissions

We now have the directory structure for our files, but they are owned by our root user. If we want our regular user to be able to modify files in our web directories, we can change the ownership with chown:

sudo chown -R $USER:$USER /var/www/example.com/public_htmlsudo chown -R $USER:$USER /var/www/example2.com/public_html

The $USER variable will take the value of the user you are currently logged in as when you submit the command. By doing this, our regular user now owns the public_html subdirectories where we will be storing our content.

We should also modify our permissions a little bit to ensure that read access is permitted to the general web directory, and all of the files and folders inside, so that pages can be served correctly:

sudo chmod -R 755 /var/www

Your web server should now have the permissions it needs to serve content, and your user should be able to create content within the appropriate folders.

Step Three — Create Demo Pages for Each Virtual Host

Now that we have our directory structure in place, let’s create some content to serve.

Because this is just for demonstration and testing, our pages will be very simple. We are just going to make an index.html page for each site that identifies that specific domain.

Let’s start with example.com. We can open up an index.html file in our editor by typing:

nano /var/www/example.com/public_html/index.html

In this file, create a simple HTML document that indicates the site that the page is connected to. For this guide, the file for our first domain will look like this:

Welcome to Example.com!

Success! The example.com virtual host is working!

Save and close the file when you are finished.

We can copy this file to use as the template for our second site’s index.html by typing:

cp /var/www/example.com/public_html/index.html /var/www/example2.com/public_html/index.html

Now let’s open that file and modify the relevant pieces of information:

nano /var/www/example2.com/public_html/index.htmlWelcome to Example2.com!

Success! The example2.com virtual host is working!

Save and close this file as well. You now have the pages necessary to test the virtual host configuration.

Step Four — Create New Virtual Host Files

Virtual host files are what specify the configuration of our separate sites and dictate how the Apache web server will respond to various domain requests.

To begin, we will need to set up the directory that our virtual hosts will be stored in, as well as the directory that tells Apache that a virtual host is ready to serve to visitors. The sites-available directory will keep all of our virtual host files, while the sites-enabled directory will hold symbolic links to virtual hosts that we want to publish. We can make both directories by typing:

sudo mkdir /etc/httpd/sites-availablesudo mkdir /etc/httpd/sites-enabled

Note: This directory layout was introduced by Debian contributors, but we are including it here for added flexibility with managing our virtual hosts (as it’s easier to temporarily enable and disable virtual hosts this way).

Next, we should tell Apache to look for virtual hosts in the sites-enabled directory. To accomplish this, we will edit Apache’s main configuration file and add a line declaring an optional directory for additional configuration files:

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

Add this line to the end of the file:

IncludeOptional sites-enabled/*.conf

Save and close the file when you are done adding that line. We are now ready to create our first virtual host file.

Create the First Virtual Host File

Start by opening the new file in your editor with root privileges:

sudo nano /etc/httpd/sites-available/example.com.conf

Note: Due to the configurations that we have outlined, all virtual host files must end in .conf.

First, start by making a pair of tags designating the content as a virtual host that is listening on port 80 (the default HTTP port):

Next we’ll declare the main server name, www.example.com. We’ll also make a server alias to point to example.com, so that requests for www.example.com and example.com deliver the same content:

ServerName www.example.comServerAlias example.com

Note: In order for the www version of the domain to work correctly, the domain’s DNS configuration will need an A record or CNAME that points www requests to the server’s IP. A wildcard (*) record will also work. To learn more about DNS records, check out our host name setup guide.

Finally, we’ll finish up by pointing to the root directory of our publicly accessible web documents. We will also tell Apache where to store error and request logs for this particular site:

ServerName www.example.comServerAlias example.comDocumentRoot /var/www/example.com/public_htmlErrorLog /var/www/example.com/error.logCustomLog /var/www/example.com/requests.log combined

When you are finished writing out these items, you can save and close the file.

Copy First Virtual Host and Customize for Additional Domains

Now that we have our first virtual host file established, we can create our second one by copying that file and adjusting it as needed.

Start by copying it with cp:

sudo cp /etc/httpd/sites-available/example.com.conf /etc/httpd/sites-available/example2.com.conf

Open the new file with root privileges in your text editor:

sudo nano /etc/httpd/sites-available/example2.com.conf

You now need to modify all of the pieces of information to reference your second domain. When you are finished, your second virtual host file may look something like this:

ServerName www.example2.comDocumentRoot /var/www/example2.com/public_htmlServerAlias example2.comErrorLog /var/www/example2.com/error.logCustomLog /var/www/example2.com/requests.log combined

When you are finished making these changes, you can save and close the file.

Step Five — Enable the New Virtual Host Files

Now that we have created our virtual host files, we need to enable them so that Apache knows to serve them to visitors. To do this, we can create a symbolic link for each virtual host in the sites-enabled directory:

sudo ln -s /etc/httpd/sites-available/example.com.conf /etc/httpd/sites-enabled/example.com.confsudo ln -s /etc/httpd/sites-available/example2.com.conf /etc/httpd/sites-enabled/example2.com.conf

When you are finished, restart Apache to make these changes take effect:

sudo apachectl restart

Step Six — Set Up Local Hosts File (Optional)

If you have been using example domains instead of actual domains to test this procedure, you can still test the functionality of your virtual hosts by temporarily modifying the hosts file on your local computer. This will intercept any requests for the domains that you configured and point them to your VPS server, just as the DNS system would do if you were using registered domains. This will only work from your computer, though, and is simply useful for testing purposes.

Note: Make sure that you are operating on your local computer for these steps and not your VPS server. You will need access to the administrative credentials for that computer.

If you are on a Mac or Linux computer, edit your local hosts file with administrative privileges by typing:

sudo nano /etc/hosts

If you are on a Windows machine, you can find instructions on altering your hosts file here.

The details that you need to add are the public IP address of your VPS followed by the domain that you want to use to reach that VPS: localhost127.0.1.1 guest-desktopserver_ip_address example.comserver_ip_address example2.com

This will direct any requests for example.com and example2.com on our local computer and send them to our server at server_ip_address.

Step Seven — Test Your Results

Now that you have your virtual hosts configured, you can test your setup easily by going to the domains that you configured in your web browser:


You should see a page that looks like this:

Likewise, if you visit your other domains, you will see the files that you created for them.

If all of the sites that you configured work well, then you have successfully configured your new Apache virtual hosts on the same CentOS server.

If you adjusted your home computer’s hosts file, you may want to delete the lines that you added now that you’ve verified that your configuration works. This will prevent your hosts file from being filled with entries that are not actually necessary.


At this point, you should now have a single CentOS 7 server handling multiple sites with separate domains. You can expand this process by following the steps we outlined above to make additional virtual hosts later. There is no software limit on the number of domain names Apache can handle, so feel free to make as many as your server is capable of handling.

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