user www www;
#工作进程，根据硬件调整，有人说几核cpu，就配几个，我觉得可以多一点
worker_processes 5；
#错误日志
error_log logs/error.log;
#pid文件位置
pid logs/nginx.pid;
worker_rlimit_nofile 8192;
events {
#工作进程的最大连接数量，根据硬件调整，和前面工作进程配合起来用，尽量大，但是别把cpu跑到100%就行
worker_connections 4096;
}
http {
include conf/mime.types;
#反向代理配置，可以打开proxy.conf看看
include /etc/nginx/proxy.conf;
#fastcgi配置，可以打开fastcgi.conf看看
include /etc/nginx/fastcgi.conf;
default_type application/octet-stream;
#日志的格式
log_format main '$remote_addr - $remote_user [$time_local] $status '
'"$request" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
#访问日志
access_log logs/access.log main;
sendfile on;
tcp_nopush on;
#根据实际情况调整，如果server很多，就调大一点
server_names_hash_bucket_size 128; # this seems to be required for some vhosts
#这个例子是fastcgi的例子，如果用fastcgi就要仔细看
server { # php/fastcgi
listen 80;
#域名，可以有多个
server_name domain1.com www.domain1.com;
#访问日志，和上面的级别不一样，应该是下级的覆盖上级的
access_log logs/domain1.access.log main;
root html;
location / {
index index.html index.htm index.php;
}
#所有php后缀的，都通过fastcgi发送到1025端口上
#上面include的fastcgi.conf在此应该是有作用，如果你不include，那么就把fastcgi.conf的配置项放在这个下面。
location ~ .php$ {
fastcgi_pass 127.0.0.1:1025;
}
}
#这个是反向代理的例子
server { # simple reverse-proxy
listen 80;
server_name domain2.com www.domain2.com;
access_log logs/domain2.access.log main;
#静态文件，nginx自己处理
location ~ ^/(images|javascript|js|css|flash|media|static)/ {
root /var/www/virtual/big.server.com/htdocs;
#过期30天，静态文件不怎么更新，过期可以设大一点，如果频繁更新，则可以设置得小一点。
expires 30d;
}
#把请求转发给后台web服务器，反向代理和fastcgi的区别是，反向代理后面是web服务器，fastcgi后台是fasstcgi监听进程，当然，协议也不一样。
location / {
proxy_pass http://127.0.0.1:8080;
}
}
#upstream的负载均衡，weight是权重，可以根据机器配置定义权重。据说nginx可以根据后台响应时间调整。后台需要多个web服务器。
upstream big_server_com {
server 127.0.0.3:8000 weight=5;
server 127.0.0.3:8001 weight=5;
server 192.168.0.1:8000;
server 192.168.0.1:8001;
}
server {
listen 80;
server_name big.server.com;
access_log logs/big.server.access.log main;
location / {
proxy_pass http://big_server_com;
}
}
}
上面说的include的几个文件，都没有必要改，用的时候include一下就可以。
fastcgi.conf
# fastcgi.conf
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param QUERY_STRING $query_string;
fastcgi_param REQUEST_METHOD $request_method;
fastcgi_param CONTENT_TYPE $content_type;
fastcgi_param CONTENT_LENGTH $content_length;
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
fastcgi_param REQUEST_URI $request_uri;
fastcgi_param DOCUMENT_URI $document_uri;
fastcgi_param DOCUMENT_ROOT $document_root;
fastcgi_param SERVER_PROTOCOL $server_protocol;
fastcgi_param GATEWAY_INTERFACE CGI/1.1;
fastcgi_param SERVER_SOFTWARE nginx/$nginx_version;
fastcgi_param REMOTE_ADDR $remote_addr;
fastcgi_param REMOTE_PORT $remote_port;
fastcgi_param SERVER_ADDR $server_addr;
fastcgi_param SERVER_PORT $server_port;
fastcgi_param SERVER_NAME $server_name;
fastcgi_index index.php;
# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param REDIRECT_STATUS 200;
proxy.conf
# proxy.conf
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffers 32 4k;
mine.types
# mime.types
types {
text/html html htm shtml;
text/css css;
text/xml xml rss;
image/gif gif;
image/jpeg jpeg jpg;
application/x-javascript js;
text/plain txt;
text/x-component htc;
text/mathml mml;
image/png png;
image/x-icon ico;
image/x-jng jng;
image/vnd.wap.wbmp wbmp;
application/java-archive jar war ear;
application/mac-binhex40 hqx;
application/pdf pdf;
application/x-cocoa cco;
application/x-java-archive-diff jardiff;
application/x-java-jnlp-file jnlp;
application/x-makeself run;
application/x-perl pl pm;
application/x-pilot prc pdb;
application/x-rar-compressed rar;
application/x-redhat-package-manager rpm;
application/x-sea sea;
application/x-shockwave-flash swf;
application/x-stuffit sit;
application/x-tcl tcl tk;
application/x-x509-ca-cert der pem crt;
application/x-xpinstall xpi;
application/zip zip;
application/octet-stream deb;
application/octet-stream bin exe dll;
application/octet-stream dmg;
application/octet-stream eot;
application/octet-stream iso img;
application/octet-stream msi msp msm;
audio/mpeg mp3;
audio/x-realaudio ra;
video/mpeg mpeg mpg;
video/quicktime mov;
video/x-flv flv;
video/x-msvideo avi;
video/x-ms-wmv wmv;
video/x-ms-asf asx asf;
video/x-mng mng;
}