Virtual host in apache 

 1. Go to /etc/apache2/site-enable location.

 2. Create file school.loc.conf and save the code which is below

<VirtualHost *:80>
    ServerName school.loc
    ServerAlias www.school.loc
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/school.loc
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

3. run the command to enable virtual host

     $sudo a2ensite school.loc.conf 

4. Next, disable the default site defined  in 000-default.conf:

      $sudo a2dissite 000-default.conf

5. Now restart the apache server

    sudo systemctl restart apache2