ubuntu16.04 升级nginx到最新版本 wget http://nginx.org/keys/nginx_signing.key sudo apt-key add nginx_signing.key
vim /etc/apt/sources.list deb http://ag-projects.com/ubuntu xenial main deb-src http://ag-projects.com/ubuntu xenial main deb http://nginx.org/packages/ubuntu/ xenial nginx deb-src http://nginx.org/packages/ubuntu/ xenial nginx
apt-get install nginx