Nginxでブラウザ言語判定してリダイレクトさせる方法 ref: http://qiita.com/tak_nishida/items/cc5ad5cb80a00d997b48

file0.txt

$ wget http://nginx.org/download/nginx-1.9.10.tar.gz
$ tar xvf nginx-1.9.10.tar.gz

file1.txt

$ git clone https://github.com/giom/nginx_accept_language_module.git

file10.txt

server {
  ...
  set_from_accept_language $lang en ja;
  rewrite ^(.*)$ $scheme://$lang.example.com$1;
  ...
}

file11.txt

server {
  ...
  add_header debug_var $lang;
  ...
}

file2.txt

$ cd /usr/local/src
$ wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.38.tar.gz
$ wget http://zlib.net/zlib-1.2.8.tar.gz
$ wget https://www.openssl.org/source/openssl-1.0.1r.tar.gz
$ tar xvf pcre-8.38.tar.gz
$ tar xvf zlib-1.2.8.tar.gz
$ tar xvf openssl-1.0.1r.tar.gz

file3.txt

./configure: error: the HTTP rewrite module requires the PCRE library.

file4.txt

$ ./configure \
--add-module=/usr/local/src/nginx_accept_language_module \
--with-pcre=/usr/local/src/pcre-8.38 \
--with-zlib=/usr/local/src/zlib-1.2.8 \
--with-openssl=/usr/local/src/openssl-1.0.1r \
--with-http_ssl_module

file5.txt

$ make
$ sudo make install

file6.txt

$ nginx -v
nginx version: nginx/1.9.10

file7.txt

$ cd /etc/init.d
$ sudo vim nginx

file8.txt

nginx="/usr/local/nginx/sbin/nginx"
...
NGINX_CONF_FILE="/etc/nginx/nginx.conf"

file9.txt

$ sudo service nginx start