Install nginx with munin plugins on debian

install-nginx-munin-debian.sh

apt-get install munin-plugins-extra libio-all-lwp-perl 
echo "[nginx_*]
env.url http://localhost/nginx_status
" > /etc/munin/plugin-conf.d/nginx

vi /etc/nginx/sites-available/default 
# in server section
location /nginx_status {
    stub_status on;
    access_log   off;
    allow 127.0.0.1;
    allow 92.243.4.75;
    deny all;
}

/etc/init.d/nginx restart
# curl http://127.0.0.1/nginx_status
Active connections: 1 
server accepts handled requests
 1 1 1 
Reading: 0 Writing: 1 Waiting: 0 


ln -s /usr/share/munin/plugins/nginx_* /etc/munin/plugins/
/etc/init.d/munin-node restart