$ wget http://nginx.org/download/nginx-1.3.2.tar.gz

$ tar xvzf nginx-1.3.2.tar.gz

#查看ngixn版本极其编译参数 

$ /usr/local/nginx/sbin/nginx -V

nginx version: nginx/1.3.2
TLS SNI support disabled
configure arguments: --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module 

#进入nginx源码目录

$ cd nginx-1.3.2

#用下面这段编译

$ ./configure --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-file-aio  --with-http_realip_module

$ make #千万别make install，否则就覆盖安装了

#make完之后在objs目录下就多了个nginx，这个就是新版本的程序了

#备份旧的nginx程序

$ cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.bak

#把新的nginx程序覆盖旧的

$ cp objs/nginx /usr/local/nginx/sbin/nginx

#测试新的nginx程序是否正确

$ /usr/local/nginx/sbin/nginx -t

nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful

#平滑重启nginx

$ /usr/local/nginx/sbin/nginx -s reload

#查看ngixn版本极其编译参数

$ /usr/local/nginx/sbin/nginx -V

nginx version: nginx/1.3.2
TLS SNI support disabled
configure arguments: --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-file-aio --with-http_realip_module