• If you're already familiar with httpd, directly run the webapp from a browser. Others continue reading the article

find /etc/ | grep httpd\.conf$

• This fetches you the location of your apache server config file. In ubuntu it might be apache2.conf

egrep -iw '^user|^group' /etc/httpd/conf/httpd.conf

• /etc/httpd/conf/httpd.conf is the config file that is fetched using the first command. In this stage, notedown the username and groupname of the http-user.

cd /var/www/labyrinth/

• Navigate to the application source folder

sudo chown -R httpd-user:httpd-group .

• httpd-user is the username, and httpd-group is the group name fetched from the egrep run on httpd.conf

• Now you can proceed to the installation by opening the webapp from a browser.