Ubuntu 安装 Nginx

Ubuntu 从官方源安装 Nginx (下面以12.04为例, precise 是12.04的版本代号):
cd ~
wget http://nginx.org/keys/nginx_signing.key
sudo apt-key add nginx_signing.key
sudo nano /etc/apt/sources.list     # 添加如下两句
deb http://nginx.org/packages/ubuntu/ precise nginx
deb-src http://nginx.org/packages/ubuntu/ precise nginx
sudo apt-get update
sudo apt-get install nginx

Ubuntu 从PPA源安装 Nginx :
sudo add-apt-repository ppa:nginx/stable
sudo apt-get update
sudo apt-get install nginx

Ubuntu 从常规源安装 Nginx :
sudo apt-get install nginx

参见:
http://wiki.nginx.org/Chs
http://nginx.org/en/download.html
https://launchpad.net/~nginx/+archive/stable
https://launchpad.net/+help-soyuz/ppa-sources-list.html