Collectd-web

collectd-web is a web-based perl CGI front-end for RRD data collected by collectd.

www-apps/collectd-web
Install :

Web server
You need also a web server.

The collectd-web project offers a simple web server to process the cgi scripts:

Now you need to set up a reverse proxy which will serve static files from /usr/share/webapps/collectd-web/0.4.0/htdocs for / and for /cgi-bin/ it will proxy the request to the above set up .

Configuration
Define where to look for rrd files:

Usage
Point your browser at the reverse proxy.