Nginx Virtual Host traffic monitoring munin plugin You need to log all the Virtual Hosts in the same access file Filtering and accounting is done by logtail and awk so it has to be efficient with large logfiles and busy sites. ------------ INSTALLATION ------------ Install logtail http://www.logcheck.org/download.html (Avaliable in most distributions) Add the following lines in your nginx.conf log_format main '"$remote_addr" $host [$time_local] ' '"$request" $status $body_bytes_sent ' '$request_length $bytes_sent "$http_referer" ' '"$http_user_agent" $request_time "$gzip_ratio"'; Configure in your munin-node config file: /etc/munin/plugin-conf.d/munin-conf in Debian [nginx_vhost_traffic] group adm #Set a group with read access to the access log # List the virtual hosts to monitor env.vhosts example.com example.net example.edu # Define the path to the access log env.logdir = /var/log/nginx env.flogfile = access.log # Aggregate subdomains # ex: example.com will match www.example.com, webmail.example.com *.example.com env.aggregate true #change to false to disable aggregation Restart munin-host: on debian: /etc/init.d/munin-host restart Wait 5 minutes for graphs --- Check the source code for more info --- Copyright (c) 2010, Joan Perez i Cauhe