What Is Varnish?
Varnish is an HTTP accelerator designed for content-heavy dynamic web sites.
Varnish was designed from the ground up as a reverse web accelerator for inbound traffic.
Installation was tested on Ubuntu 9.04, 2.6.28-17-generic with Vanish 2.0.6
Download the latest Varnish version.
Extract the archive. Then
sudo ./configure sudo make sudo make install