debian squeeze に 最新ぽい nginx をインストール ref: http://qiita.com/noblejasper/items/d6e858ca29ca86427ed3

file0.txt

wget "http://nginx.org/keys/nginx_signing.key"
sudo apt-key add nginx_signing.key
sudo vi /etc/apt/sources.list

file1.txt

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

file2.txt

sudo apt-get update
sudo apt-get install nginx

file3.txt

$ /usr/sbin/nginx -v
nginx version: nginx/1.6.1