[ARCHIVED] WHY MY CANVAS IS NOT RUNNING ON BROWSER HAVING INSTALLED ON UBUNTU 18.04 VM SERVER

[pioneer]

I CANT RUN CANVAS ON BROWSER HAVING INSTALLED ON UBUNTU 18.04 VM SERVER

I have managed to install canvas successfully, my apache is running successfully. managed to edit sites-available/canvas.config but it cant load on my browser.
see below.

ServerName mydomain.edu
ServerAlias 41.204.XXX.XXX
ServerAdmin web.admin@edu
DocumentRoot /var/canvas/public
RewriteEngine On
RewriteCond %{HTTP:X-Forwarded-Proto} !=https
RewriteCond %{REQUEST_URI} !^/health_check
RewriteRule (.) https://%{HTTP_HOST}%{REQUEST_URI} [L]
ErrorLog /var/log/apache2/canvas_errors.log
LogLevel warn
CustomLog /var/log/apache2/canvas_access.log combined
SetEnv RAILS_ENV production
<Directory /var/canvas/public>
Allow from all
Options -MultiViews

<VirtualHost *:443>
ServerName mydomain.edu
ServerAlias 41.204.XXX.XXX
ServerAdmin web.admin@edu
DocumentRoot /var/canvas/public
ErrorLog /var/log/apache2/canvas_errors.log
<Directory /var/canvas/public>
Allow from all
Options -MultiViews

UPON RUNNING MY DOMAIN THE ERROR DISPLAYS

This site can’t be reached
mydomain.edu refused to connect.
Try:

Checking the connection
Checking the proxy and the firewall
ERR_CONNECTION_REFUSED

WHERE AM I WRONG. KINDLY HELP