下载网站:http://nginx.org/en/download.html
tar -zxvf nginx-1.8.1.tar.gz
编译安装之前的几个前置条件：
yum install openssl
yum install openssl-devel
yum install zlib
yum install zlib-devel
yum install pcre
yum install pcre-devel
yum install gcc-c++
./configure --prefix=/usr/local/nginx
make
make install
切换到nginx的安装目录：/usr/local/nginx
里面的重要的文件夹
conf： nginx.conf
html
logs
sbin
启动：sbin/nginx
检测nginx是否启动成功：ps -ef|grep nginx，出现下列两个进程则说明启动成功
nginx: master process sbin/nginx
nginx: worker process
如何修改端口 conf/nginx.conf
验证修改的配置文件是否合法： sbin/nginx -t
sbin/nginx -s stop(quit、reload)
