阿里云ESC配置Nginx

参考博客：

1. Ubuntu14.04安装nginx稳定版本步骤
2. ubuntu14.04下安装nginx

遇到的错误：

1. nginx error while loading shared libraries: libpcre.so.1:
   
2. The program ‘nginx’ can be found in the following packages:
   * nginx-extras
   * nginx-full
   * nginx-light
   Try: apt-get install
   
3. Nginx bind() to 0.0.0.0:80 failed (98: Address already in use)
   可能是tomcat占用了80端口，关闭即可

Nginx启动与关闭：

1. 启动：/usr/local/nginx/sbin/nginx
2. 关闭：/usr/local/nginx/sbin/nginx -s stop