Varnish installaion question

Hi all,

I was trying to install Varnish following this Linode Guide: https://www.linode.com/docs/websites/va … nish-cache">https://www.linode.com/docs/websites/varnish/getting-started-with-varnish-cache.

I got stuck at the step "Configure Backend". http://my.site.com:6081 to me is not responding, and I am hesitated to move on.

Varnish appears to be running based on the ps output, but is not listening on the appropriate port. I have the exact same configuration as the one in the Linode Guide above.

Any ideas?

Allen