apt-getでnginx-1.2.4 stableをubuntu 11.10にインストール ref: http://qiita.com/items/3c5d3c13df65fb8e581d

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$ wget http://nginx.org/keys/nginx_signing.key
$ sudo apt-key add nginx_signing.key
$ sudo vim /etc/apt/sources.list
 + deb http://nginx.org/packages/ubuntu/ oneiric nginx
 + deb-src http://nginx.org/packages/ubuntu/ oneiric nginx
$ apt-get update
# Get:1 http://nginx.org oneiric Release.gpg [287 B] とかちゃんと取ってきてるのを確認
$ apt-get install nginx
# Setting up nginx (1.2.4-1~oneiric) ...

$ w3m 127.0.01
# Welcome to nginx!