安装：

yum install epel-release
rpm --nosignature -i https://repo.varnish-cache.org/redhat/varnish-4.0.el6.rpm
yum install varnish gcc varnish-libs-devel-4.0.3 -y

稍微配置：

vi /etc/sysconfig/varnish　　修改listen port为80

vi /etc/varnish/default.vcl　　添加backend web server

web缓存核心技术：

http://mp.weixin.qq.com/s?__biz=MzIyMDA1MzgyNw==&mid=2651968866&idx=1&sn=25554c31eac32e78664b962412f515de&chksm=8c349d4ebb431458bef22609db7e9e76d33035ad92c31cbb2d201d13ce94bb8203c69ab9fb33&scene=21#wechat_redirect

varnish