Debian 9安装升级nginx到最新版

1. 修改安装源， nano 编辑

/etc/apt/sources.list

添加nginx的官方安装源:

deb http://nginx.org/packages/debian/ squeeze nginx
deb-src http://nginx.org/packages/debian/ squeeze nginx

2. 然后运行 update 并重新安装 nginx即可：

apt update
apt install nginx