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Install Varnish

Installing the Varnish software is beyond the scope of this guide. For more information about installing Varnish, see:

This topic is written for Varnish on CentOS and Apache 2.2. If you're setting up Varnish in a different environment, some commands are likely different. Consult the preceding documentation for more information.

Confirm your Varnish version

Enter the following command to display the version of Varnish you’re running:

varnishd -V

A sample follows:

varnishd (varnish-4.0.3 revision b8c4a34)
Copyright (c) 2006 Verdens Gang AS
Copyright (c) 2006-2014 Varnish Software AS

Make sure the version is at least 3.0.5 or any version of 4.x before continuing.

Next step

Configure Varnish and your web server