Part of this setup Nginx, MySql, PHP and WordPress. This part is for configuring Varnish 4.0 on Ubuntu 14.04 On varnish.chris.example.com Install Varnish 4.0 Add Varnish’s GPG key curl https://repo.varnish-cache.org/ubuntu/GPG-key.txt | sudo apt-key add – Add the source location echo “deb https://repo.varnish-cache.org/ubuntu/ trusty varnish-4.0” | sudo tee /etc/apt/sources.list.d/varnish-cache.list Update local cache…