在向大家详细介绍CentOS Nginx之前，首先让大家了解下CentOS Nginx，然后全面介绍CentOS Nginx，希望对大家有用。CentOS Nginx 已经是目前公认的效率很高的代理服务，同时可以用来做负载均衡。
由于项目目前只有一台CentOS Nginx 的服务器，无法用来测试，所以打算找下Nginx windows下版本；http://www.kevinworthington.com/nginx/win32/以上为win32的版本用户访问 sp.imichat.com 均衡到 10.10.10.181:8080; 10.10.10.181:8081; 10.10.10.181:8082; 这3台服务器CentOS Nginx
配置CentOS Nginx 的nginx.conf
- http {}增加如下内容
- upstream sp.imichat.com
- {server 10.10.10.181:8080;
- server 10.10.10.181:8081;
- server 10.10.10.181:8082; }
- server {} 修改异侠信息：
- listen 80;
- server_name sp.imichat.com;
- #charset koi8-r;
- #access_log logs/host_access_log main;
- location / {
- proxy_pass http://sp.imichat.com;
- proxy_set_header Host $host;
- proxy_set_header X-Real-IP $remote_addr;
- proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
- }
- access_log logs/sp.imichat.com.log combined;
- [/code]
启动181上的3个tomcat，修改tomcat首页加入端口信息，以用来清晰看到当前分配到那台tomcat启动Nginx，访问 http://sp.imichat.com/可看到请求被发送到3台服务器。
抓http包可看到request为
- GET / HTTP/1.1
- Host: sp.imichat.com
- User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.0.4) Gecko/2008102920 Firefox/3.0.4
- Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
- Accept-Language: en-us,zh-cn;q=0.5
- Accept-Encoding: gzip,deflate
- Accept-Charset: gb2312,utf-8;q=0.7,*;q=0.7
- Keep-Alive: 300
- Connection: keep-alive
- Cookie: JSESSIONID=A75E09D2EBF769A7BD95195E29DE87DE; key=1227008000183; memberName=admin; memberType=%7C%u8D85%u7EA7%u7BA1%u7406%u5458%7C
- Pragma: no-cache
- Cache-Control: no-cache
response:
- HTTP/1.1 200 OK
- Server: nginx/0.7.21-win32
- Date: Tue, 18 Nov 2008 12:12:33 GMT
- Content-Type: text/html
- Connection: keep-alive
- ETag: W/"8157-1227009260637"
- Last-Modified: Tue, 18 Nov 2008 11:54:20 GMT
- Content-Length: 8157
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