Install Vanish on Centos 6

1) Install

// Add repos
$ rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el6/noarch/varnish-release/varnish-release-3.0-1.el6.noarch.rpm

$ yum install varnish

$ chkconfig --level 345 varnish on

// Start Vanish
$ /etc/init.d/varnish start

2) Config

// Varnish config file
// /etc/sysconfig/varnish

// Default VCL file
// /etc/varnish/default.vcl

// Config Varnish in front of Nginx
$ nano /etc/sysconfig/varnish
  VARNISH_LISTEN_PORT=80

$ nano /etc/varnish/default.vcl
  backend default {
    .host = "127.0.0.1";
    .port = "8001";
  }
  
// Set Nginx listen on the port 8001
server {
  listen 8001;   
}

// Restart Nginx and Vanish
$ service nginx restart
$ /etc/init.d/varnish restart

3) Commands

// Commands
$ varnishstat
$ varnishhist
$ varnishlog
$ varnishadm

$ varnishtop

// Show files that are being served
$ varnishtop -i txurl

4) Clear cache

// Clear all cache
$ varnishadm "ban req.url ~ /"
or
$ varnishadm "ban req.http.host ~ www.mydomain.com"

// Purge only CSS
$ varnishadm "ban req.http.host ~ www.mydomain.com && req.url ~ .css"

curl: (22) The requested URL returned error: 410 repo