Varnish

Step 1. Install varnish
sudo apt-get install varnish

Step 2. After successful installation of varnish edit /etc/varnish/default.vcl file

backend default {
.host = "127.0.0.1";
.port = "8080";
}

Step 3.Now edit the varnish configuration file /etc/default/varnish file

# Should we start varnishd at boot? Set to "yes" to enable.
START=yes