1. Install Apache

You may skip this option if you already have installed Apache server in your system. If not use the following command to install Apache server on Ubuntu system. Also as a best practice don’t forget to update repositories metadata.

sudo apt-get update
sudo apt-get install apache2

2. Create Apache Virtual Host

In Apache on Ubuntu all the virtual host configuration files are stored under /etc/apache2/sites-available directory. With the new Apache installation you will find a default virtual host file there. Create a new Virtual Host configuration file by copying default file.

cd /etc/apache2/sites-available/
sudo cp 000-default.conf site1.example.com.conf

Now Edit new virtual host configuration file and update as per your requirement. My site1.example.com configuration file looks like below.

vim site1.example.com.conf
<VirtualHost *:80>
        ServerAdmin webmaster@site1.example.com
        ServerName site1.example.com
        DocumentRoot /var/www/html/site1.example.com

        <Directory />
                Options FollowSymLinks
                AllowOverride None
        </Directory>
        <Directory /var/www/>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>

        ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
        <Directory "/usr/lib/cgi-bin">
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
        </Directory>

        ErrorLog ${APACHE_LOG_DIR}/error.log
        LogLevel warn
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

Now create a directory structure in your system, as per defined in above virtual host, and assign proper ownership and file permission.

mkdir -p /var/www/html/site1.example.com
chmod 755 /var/www/html/site1.example.com
chown www-data.www-data /var/www/html/site1.example.com

Now upload your project files on /var/www/html/ directory. For this example we have created a index.html file for testing purpose like below.

echo "<h1>site1.example.com</h1>" > /var/www/html/site1.example.com/index.html

3. Enable First Virtual Host

Now we have successfully created our first virtual host in Apache. Now use the following command to enable this Virtual Host, So that Apache can load this configuration file on next reload.

a2ensite site1.example.com

Basically this creates a soft link of Virtual Host configuration file in directory /etc/apache2/sites-enabled/. To activate the new configuration, we need to run:

service apache2 reload

Now you can access http://site1.example.com in your browser. If you don’t have dns configured for your domain, do a local mapping by adding an entry in /etc/hosts files.

 ...
 192.168.1.100  site1.example.com
 ...

4. Create Another Virtual Host

If you want to add another virtual host on your server, just repeat step 2 and 3 with changing your site name like site2.example.com.

Enjoy Virtual Hosting!

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