安装编译环境及相关组件：
yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 \
libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl \
curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel openldap \
openldap-devel nss_ldap openldap-clients openldap-servers unzip编译安装PCRE、Nginx及缓存清除模块ngx_cache_purge：
/usr/local/src/
wget http://sourceforge.net/projects/pcre/files/pcre/8.30/pcre-8.30.zip
unzip pcre-8.30.zip
cd pcre-8.30
./configure
make && make install
cd ..
wget http://labs.frickle.com/files/ngx_cache_purge-1.2.tar.gz
tar zxvf ngx_cache_purge-1.2.tar.gz
wget http://nginx.org/download/nginx-1.0.15.tar.gz
tar zxvf nginx-1.0.15.tar.gz
cd nginx-1.0.15
./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module \
--with-http_gzip_static_module --add-module=../ngx_cache_purge-1.2
make && make install Nginx配置文件：
user www www;
worker_processes 4;
error_log /usr/local/nginx/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 65535;
events
{
use epoll;
worker_connections 65535;
}
http
{
include mime.types;
default_type application/octet-stream;
charset utf-8;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 50m;
sendfile on;
tcp_nopush on;
keepalive_timeout 60;
tcp_nodelay on;
proxy_temp_path /cache_tmp;
proxy_cache_path /cache levels=1:2 keys_zone=proxy_cache:256m inactive=10d max_size=10g;
client_body_buffer_size 512k;
proxy_connect_timeout 5;
proxy_read_timeout 60;
proxy_send_timeout 15;
proxy_buffer_size 16k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types text/plain application/x-javascript text/css application/xml;
gzip_vary on;
upstream proxy_server_pool
{
server node1.www.haiyun.me;
server node2.www.haiyun.me;
}
log_format proxy
$remote_addr-$remote_user-$time_local-$request-$body_bytes_sent-$http_referer-
$http_user_agent-$upstream_addr-$upstream_cache_status-$upstream_status ;
server
{
listen 80;
server_name cdn.www.haiyun.me;
location /
{
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_cache proxy_cache;
proxy_cache_valid 200 304 1d;
proxy_cache_key $host$uri$is_args$args; #$http_cookie
add_header Nginx-Cache "$upstream_cache_status from $upstream_addr";
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://proxy_server_pool;
}
location ~ .*\.(php|jsp|cgi)?$
{
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://proxy_server_pool;
}
location ~ /purge(/.*)
{
allow 127.0.0.1;
deny all;
proxy_cache_purge proxy_cache $host$uri$is_args$args;
}
access_log /usr/local/nginx/logs/cdn.www.haiyun.me.log proxy;
}
}